Dear Label_Name,

Greetings! I hope you are well.

I am writing on behalf of an international publishing house, Science and Education Publishing, USA (http://www.sciepub.com).

Science and Education Publishing (SciEP) is a multidisciplinary open access publisher of Journals covering the fields of Science, Technology and Medicine. All SciEP publications are subject to high-quality peer review, editorial and production processes and are freely available online.

Welcome to the April, 2013 edition of SciEP newsletter, providing monthly summaries of articles on science & education related topics of interest to scientist and professionals. The mission of our journals is to provide an open access forum for publishing new findings on issues pertinent to scientific and academic field. We also invite you to submit original research papers, review articles, short reports, or case studies are considered for publication in our Multidisciplinary Journals.

American Journal of Public Health Research
DOI: 10.12691/ajphr-1-1-3

The Implementation of a Tele-Homecare System with Service Oriented Architecture and HL7 Message Transmission Standard
Ching-Sung Wang

American Journal of Medical and Biological Research
DOI: 10.12691/ajmbr-1-1-2

The Influence of Ethanol on Pyruvate Kinases Activity in Vivo, in Vitro, in Silico
Lelevich Sergey Vladimirovich, Khrustalev Vladislav Victorovich, Barkovsky Eugene Victorovich, Shedogubova Tatyana Aleksandrovna

American Journal of Medical Sciences and Medicine
DOI: 10.12691/ajmsm-1-1-1

Clinical and Histological Features in Wegener Granulomatosis
Li Cavoli Gioacchino, Passantino Rita, Bono Luisa, Tortorici Calogera, Ferrantelli Angelo, Giammarresi Carlo, Rotolo Ugo

American Journal of Infectious Diseases and Microbiology
DOI: 10.12691/ajidm-1-1-2

The Curse of Lymphatic Filariasis: Would the Continual Use of Diethylcarbamazine Eliminate this Scourge in Papua New Guinea?
Anne Lanham, Lillian Mwanri

We have released issues of some journals on February 2013.
American Journal of Public Health Research
American Journal of Medical Sciences and Medicine
American Journal of Medical and Biological Research
American Journal of Pharmacological Sciences
American Journal of Clinical Medicine Research
American Journal of Nursing Research
American Journal of Cancer Prevention
American Journal of Medicine Studies
American Journal of Infectious Diseases and Microbiology
American Journal of Cardiovascular Disease Research
American Journal of Biomedical Research
American Journal of Mechanical Engineering
American Journal of Microbiological Research
Journal of Preventive Medicine
American Journal of Food and Nutrition
American Journal of Hypertension Research
American Journal of Sports Science and Medicine
Journal of Cancer Research and Treatment
American Journal of Zoological Research
Journal of Biomedical Engineering and Technology
American Journal of Microbiological Research
Biomedical Science and Engineering

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Label_Title

Dear Label_Name,

Greetings! I hope you are well.

I am writing on behalf of an international publishing house, Science and Education Publishing, USA (http://www.sciepub.com).

Science and Education Publishing (SciEP) is a multidisciplinary open access publisher of Journals covering the fields of Science, Technology and Medicine. All SciEP publications are subject to high-quality peer review, editorial and production processes and are freely available online.

Welcome to the April, 2013 edition of SciEP newsletter, providing monthly summaries of articles on science & education related topics of interest to scientist and professionals. The mission of our journals is to provide an open access forum for publishing new findings on issues pertinent to scientific and academic field. We also invite you to submit original research papers, review articles, short reports, or case studies are considered for publication in our Multidisciplinary Journals.

American Journal of Public Health Research
DOI: 10.12691/ajphr-1-1-3

The Implementation of a Tele-Homecare System with Service Oriented Architecture and HL7 Message Transmission Standard
Ching-Sung Wang

American Journal of Medical and Biological Research
DOI: 10.12691/ajmbr-1-1-2

The Influence of Ethanol on Pyruvate Kinases Activity in Vivo, in Vitro, in Silico
Lelevich Sergey Vladimirovich, Khrustalev Vladislav Victorovich, Barkovsky Eugene Victorovich, Shedogubova Tatyana Aleksandrovna

American Journal of Medical Sciences and Medicine
DOI: 10.12691/ajmsm-1-1-1

Clinical and Histological Features in Wegener Granulomatosis
Li Cavoli Gioacchino, Passantino Rita, Bono Luisa, Tortorici Calogera, Ferrantelli Angelo, Giammarresi Carlo, Rotolo Ugo

American Journal of Infectious Diseases and Microbiology
DOI: 10.12691/ajidm-1-1-2

The Curse of Lymphatic Filariasis: Would the Continual Use of Diethylcarbamazine Eliminate this Scourge in Papua New Guinea?
Anne Lanham, Lillian Mwanri

We have released issues of some journals on February 2013.
American Journal of Public Health Research
American Journal of Medical Sciences and Medicine
American Journal of Medical and Biological Research
American Journal of Pharmacological Sciences
American Journal of Clinical Medicine Research
American Journal of Nursing Research
American Journal of Cancer Prevention
American Journal of Medicine Studies
American Journal of Infectious Diseases and Microbiology
American Journal of Cardiovascular Disease Research
American Journal of Biomedical Research
American Journal of Mechanical Engineering
American Journal of Microbiological Research
Journal of Preventive Medicine
American Journal of Food and Nutrition
American Journal of Hypertension Research
American Journal of Sports Science and Medicine
Journal of Cancer Research and Treatment
American Journal of Zoological Research
Journal of Biomedical Engineering and Technology
American Journal of Microbiological Research
Biomedical Science and Engineering

We are pleased to announce that submissions are now being accepted for peer review for all the journals across all our subject areas in SciEP.

Please submit your manuscript via our online submission system:
http://www.sciepub.com/author/signin

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I am looking forward to hearing from you.

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David Rain
Email:join@sciepub.com
Science and Education Publishing (http://www.sciepub.com)

Label_Title

Dear Label_Name,

Greetings! I hope you are well.

I am writing on behalf of an international publishing house, Science and Education Publishing, USA (http://www.sciepub.com).

Science and Education Publishing (SciEP) is a multidisciplinary open access publisher of Journals covering the fields of Science, Technology and Medicine. All SciEP publications are subject to high-quality peer review, editorial and production processes and are freely available online.

Welcome to the April, 2013 edition of SciEP newsletter, providing monthly summaries of articles on science & education related topics of interest to scientist and professionals. The mission of our journals is to provide an open access forum for publishing new findings on issues pertinent to scientific and academic field. We also invite you to submit original research papers, review articles, short reports, or case studies are considered for publication in our Multidisciplinary Journals.

American Journal of Public Health Research
DOI: 10.12691/ajphr-1-1-3

The Implementation of a Tele-Homecare System with Service Oriented Architecture and HL7 Message Transmission Standard
Ching-Sung Wang

American Journal of Medical and Biological Research
DOI: 10.12691/ajmbr-1-1-2

The Influence of Ethanol on Pyruvate Kinases Activity in Vivo, in Vitro, in Silico
Lelevich Sergey Vladimirovich, Khrustalev Vladislav Victorovich, Barkovsky Eugene Victorovich, Shedogubova Tatyana Aleksandrovna

American Journal of Medical Sciences and Medicine
DOI: 10.12691/ajmsm-1-1-1

Clinical and Histological Features in Wegener Granulomatosis
Li Cavoli Gioacchino, Passantino Rita, Bono Luisa, Tortorici Calogera, Ferrantelli Angelo, Giammarresi Carlo, Rotolo Ugo

American Journal of Infectious Diseases and Microbiology
DOI: 10.12691/ajidm-1-1-2

The Curse of Lymphatic Filariasis: Would the Continual Use of Diethylcarbamazine Eliminate this Scourge in Papua New Guinea?
Anne Lanham, Lillian Mwanri

We have released issues of some journals on February 2013.
American Journal of Public Health Research
American Journal of Medical Sciences and Medicine
American Journal of Medical and Biological Research
American Journal of Pharmacological Sciences
American Journal of Clinical Medicine Research
American Journal of Nursing Research
American Journal of Cancer Prevention
American Journal of Medicine Studies
American Journal of Infectious Diseases and Microbiology
American Journal of Cardiovascular Disease Research
American Journal of Biomedical Research
American Journal of Mechanical Engineering
American Journal of Microbiological Research
Journal of Preventive Medicine
American Journal of Food and Nutrition
American Journal of Hypertension Research
American Journal of Sports Science and Medicine
Journal of Cancer Research and Treatment
American Journal of Zoological Research
Journal of Biomedical Engineering and Technology
American Journal of Microbiological Research
Biomedical Science and Engineering

We are pleased to announce that submissions are now being accepted for peer review for all the journals across all our subject areas in SciEP.

Please submit your manuscript via our online submission system:
http://www.sciepub.com/author/signin

To unsubscribe from our mailing list, please click on the following link: unsubscribe

I am looking forward to hearing from you.

Kind regards,

David Rain
Email:join@sciepub.com
Science and Education Publishing (http://www.sciepub.com)

Label_Title

Dear Label_Name,

Greetings! I hope you are well.

I am writing on behalf of an international publishing house, Science and Education Publishing, USA (http://www.sciepub.com).

Science and Education Publishing (SciEP) is a multidisciplinary open access publisher of Journals covering the fields of Science, Technology and Medicine. All SciEP publications are subject to high-quality peer review, editorial and production processes and are freely available online.

Welcome to the April, 2013 edition of SciEP newsletter, providing monthly summaries of articles on science & education related topics of interest to scientist and professionals. The mission of our journals is to provide an open access forum for publishing new findings on issues pertinent to scientific and academic field. We also invite you to submit original research papers, review articles, short reports, or case studies are considered for publication in our Multidisciplinary Journals.

American Journal of Public Health Research
DOI: 10.12691/ajphr-1-1-3

The Implementation of a Tele-Homecare System with Service Oriented Architecture and HL7 Message Transmission Standard
Ching-Sung Wang

American Journal of Medical and Biological Research
DOI: 10.12691/ajmbr-1-1-2

The Influence of Ethanol on Pyruvate Kinases Activity in Vivo, in Vitro, in Silico
Lelevich Sergey Vladimirovich, Khrustalev Vladislav Victorovich, Barkovsky Eugene Victorovich, Shedogubova Tatyana Aleksandrovna

American Journal of Medical Sciences and Medicine
DOI: 10.12691/ajmsm-1-1-1

Clinical and Histological Features in Wegener Granulomatosis
Li Cavoli Gioacchino, Passantino Rita, Bono Luisa, Tortorici Calogera, Ferrantelli Angelo, Giammarresi Carlo, Rotolo Ugo

American Journal of Infectious Diseases and Microbiology
DOI: 10.12691/ajidm-1-1-2

The Curse of Lymphatic Filariasis: Would the Continual Use of Diethylcarbamazine Eliminate this Scourge in Papua New Guinea?
Anne Lanham, Lillian Mwanri

We have released issues of some journals on February 2013.
American Journal of Public Health Research
American Journal of Medical Sciences and Medicine
American Journal of Medical and Biological Research
American Journal of Pharmacological Sciences
American Journal of Clinical Medicine Research
American Journal of Nursing Research
American Journal of Cancer Prevention
American Journal of Medicine Studies
American Journal of Infectious Diseases and Microbiology
American Journal of Cardiovascular Disease Research
American Journal of Biomedical Research
American Journal of Mechanical Engineering
American Journal of Microbiological Research
Journal of Preventive Medicine
American Journal of Food and Nutrition
American Journal of Hypertension Research
American Journal of Sports Science and Medicine
Journal of Cancer Research and Treatment
American Journal of Zoological Research
Journal of Biomedical Engineering and Technology
American Journal of Microbiological Research
Biomedical Science and Engineering

We are pleased to announce that submissions are now being accepted for peer review for all the journals across all our subject areas in SciEP.

Please submit your manuscript via our online submission system:
http://www.sciepub.com/author/signin

To unsubscribe from our mailing list, please click on the following link: unsubscribe

I am looking forward to hearing from you.

Kind regards,

David Rain
Email:join@sciepub.com
Science and Education Publishing (http://www.sciepub.com)

A Comprehensive Review on Disease Transmission Dynamics at Human-Livestock-Wildlife Interaction in Ethiopia: Implications for Prevention and Control

Mahendra Pal*, Firaol Tariku Geleto, Tegegn Dilbato Dinbiso, Tesfaye Rebuma Abdeta, Ravindra Zende, Aishwarya Nair

Narayan Consultancy of Veterinary Public Health, and Microbiology, Bharuch, Gujarat, India

Abstract: Emerging infectious diseases increasingly emerged from animal reservoirs affecting human populations, frequently originating from wild or domestic animals. The complex interactions between humans, livestock and wildlife significantly influence the transmission dynamics of various infectious diseases, particularly in regions like Ethiopia with diverse ecosystems and extensive livestock populations. Human and animal movements often blur the boundaries between agricultural lands and natural wildlife habitats, leading to both direct and indirect interactions between domestic and wild animal species. These interactions can serve as pathways for the transmission of infectious agents across. Therefore, this paper aims to review disease transmission at the human-domestic wildlife interface in Ethiopia to give evidence-based recommendations for the control and prevention of diseases. Current understanding of the transmission mechanisms and the main source remains incomplete. However, the overlap of habitats due to human encroachment, grazing practices, microbial evolution, vectors, and the movement of animals contribute to pathogen transmission and multi-host diseases. To address these challenges, the principal method for preventing or controlling transmission at the interface involves minimizing contact between livestock and wild animals through land use regulations and fencing, surveillance of vectors and wild reservoirs, regular collection and analysis of epidemiological data, early warning systems for animal diseases, and targeted vaccination programs to mitigate the spread of infectious diseases. The review examines passive management strategies, such as the 'soft edge' approach where livestock and wildlife coexist and share resources within managed interfaces. It recommends strengthening veterinary services, increasing community awareness, and implementing wildlife management strategies to reduce disease transmission.

Keywords: Disease transmission, Ethiopia, Interface, Livestock-Wildlife, Zoonosis

Received June 25, 2025; Revised July 27, 2025; Accepted August 03, 2025

Citation: Mahendra Pal, Firaol Tariku Geleto, Tegegn Dilbato Dinbiso, Tesfaye Rebuma Abdeta, Ravindra Zende, Aishwarya Nair, A Comprehensive Review on Disease Transmission Dynamics at Human-Livestock-Wildlife Interaction in Ethiopia: Implications for Prevention and Control. American Journal of Epidemiology and Infectious Disease, 13 (2). 19-26. January 2025. doi:10.12691/ajeid-13-2-1

1. Introduction

Emerging infectious diseases (EIDs) have repeatedly emerged from wild or domestic animal reservoirs in human populations in recent decades. These pathogens are considered emerging due to their rising occurrence in host populations within the past twenty years or their potential to do so imminently. 'Emergence' further includes the re-emergence of known diseases after a decline [1]. More than 60% of emerging disease pathogens worldwide are zoonotic, with 75% of these emerging zoonoses having a wildlife origin [2]. Although both wildlife and domesticated animals serve as reservoirs for EIDs, it is the anthropogenic influence on ecological systems that largely determines the risk level at the human-animal interface in zoonotic compliant emergence [3].

Understanding the dynamics of multi-species pathogens is crucial for public health, as many emerging human diseases are zoonotic [4,5]. The interactions between humans, livestock, and wildlife play a pivotal role in disease transmission dynamics, particularly in regions like Ethiopia, where these interactions are intricate and significant [6]. Ethiopia's large and diverse livestock population and rich wildlife biodiversity create complex systems where zoonotic diseases can be transmitted between animals and humans. With its considerable livestock sector playing a key role in the economy and supporting rural livelihoods [7], Ethiopia exemplifies the complex interplay between humans, livestock and wildlife. The coexistence of wildlife with human and livestock populations adds more complexity to disease transmission dynamics, especially considering the high occurrence of zoonotic diseases that can spread between animals and humans [2].

Wildlife's increasing role in disease transmission at the wildlife-livestock interface has raised concerns within the scientific community. Changes in land use, habitat encroachment, and intensive livestock production contribute to heightened disease transmission risk at this interface [8]. There have been several reports of infections that affect both livestock and wildlife in different parts of the world, including Ethiopia. Classical diseases such as anthrax and tuberculosis, as well as more recent issues with influenza, rabies, foot and mouth disease, African horse sickness, African and classical swine fever, and trypanosomiasis, are notable examples [4,9]. Mycobacterium bovis in wild boars, badgers, and deer, and brucellosis in diverse wildlife species are a few examples of transmission of diseases from livestock to wildlife. Bovine tuberculosis poses a major public health risk due to its zoonotic potential, disrupts ecological balance through wildlife transmission, and has economic impacts at both national and international levels [10]. Consequently, prioritizing diseases emerging at the interface between livestock and wildlife is imperative for animal health authorities [11].

Although Ethiopia encounters major challenges in controlling disease spread at the human-livestock-wildlife interface, opportunities for intervention exist. Enhancing surveillance systems, deploying vaccination efforts, adopting sustainable land management strategies, and raising awareness of disease risks can all help reduce disease transmission spread. Despite progress in understanding disease dynamics in Ethiopia, specific disease transmission pathways, understanding the impact of environmental factors, and assessing the efficacy of interventions are limited. Therefore, the objective of this paper is to review the disease transmission between human- livestock and wildlife interfaces and to highlight the key wildlife-derived transmission mechanisms for zoonosis.

2. Literature Review

2.1. Importance of Interface Diseases

Interface diseases are crucial regarding issues of public health, . Wildlife is the source of a large number of zoonotic diseases. Approximately 60% of the 1,400 known human infectious diseases are derived from animal sources. Moreover, an estimated 75% of newly emerging infectious diseases globally are of zoonotic origin [12]. The alternatives for control are limited and frequently have effects on the welfare of wildlife, even when wildlife reservoirs have been recognized and disease control is desired due to dangers to human health [13]. Ebola hemorrhagic fever is an illness resulting from an unidentified pathogen that can infect humans, livestock or other species, influenced by ecological, environmental or demographic factors. These diseases are growing as disease interface patterns change and significantly impact public health [14].

2.2. The Livestock-Wildlife- Interface

Livestock as a distinct category emerged only after humans began domesticating wild species, creating three novel interaction zones: human–domestic animal, wildlife–domestic animal, and a combined human–domestic–wildlife interface. Wildlife-livestock interfaces are the physical spaces in which wild and livestock species overlap in range and potentially interact, forming a continuum of direct and Indirect contact between free-ranging wildlife and domestic livestock [15]. Indirect contact can occur through exposure to infected materials (such as aerosols or any excretion product such as feces, urine, saliva, or ocular or nasal discharge) or environmental reservoirs (such as soil, water, or forage) and via vectors [16]. Thus, the wildlife–livestock interface is defined as a dynamic network of epidemiological and ecological connections between wildlife, livestock and the physical space in which they overlap and potentially interact [17]. This interface is complex and changes along with natural landscapes and is vulnerable to human intervention [18].

The interface also influences the risk distribution of shared pathogens, as seen in the strong association between anthrax suitability and the elephant-livestock interface [19]. The interactions among wildlife, livestock, and human populations at their interface are influenced by factors such as biodiversity, livestock management practices, and the connectivity between surrounding communities [20]. From bio diverse and continuous forest ecosystems, transitions occur through forest loss, shifting toward human-modified environments composed of agricultural, pastoral, and urban mosaics. These changes have led to degraded land, fragmented ecosystems, and streamlined trophic and host community structures, land degradation, and simplified host communities, with an increasing presence of peri-domestic and managed wildlife [21].

2.3. Characteristics of Wildlife-Livestock Interfaces

Wildlife-livestock interfaces are geographical areas where the home ranges of different species cross and where there is a chance of interaction. Evidence of wildlife-livestock interfaces can be seen at the landscape level using aerial or remote sensing technologies. A land-use barrier, such as a fence, restricts the movement of large species and the usage of an area [22]. Interfaces between wildlife and livestock are frequently poorly defined by environmental factors [23]. The range of the wildlife-livestock interface, or the area where different species interact, cannot be precisely delineated by a resource gradient or physical borders alone. A preliminary conceptual model of the wildlife-livestock interface, grounded on environmental features like rivers or fences, is essential; however, it requires validation or refutation through empirical data on species interactions [24].

The concept of wildlife-livestock interfaces is multifaceted and represents different meanings for various professionals. Anthropologists may consider the non-material cultural and symbolic values of wild animals, while epidemiologists will define the interface according to the opportunities it provides for pathogen transmission between wildlife and livestock [25]; range land managers will consider how it influences competition between wild and domestic herbivores and legal scholars may focus on boundary delineation and access rights [26].

2.3.1 Approaches to Characterize the Wildlife-Livestock Interface

Behavioral Ecology

Numerous areas of ecology and epidemiology depend on the quantification of variables to identify interactions or contacts between individuals in multi-host and multi-pathogen systems. Early methods for measuring animal contact rates relied on direct observation of individuals [27]. However, more recent developments ("Collecting Data to Assess the Interactions Between Livestock and Wildlife") have made it possible to accurately and frequently record animal locations without putting study animals at risk of harm [6]. The home range of one or a small number of individuals can be used to infer the group home range for social animals, such as most ungulates, including all domestic species [28].

Molecular Approaches and Genetics

Recent developments in population genetics and the geographic distribution and history of species have shed light on the links between wild and domesticated species, as well as on patterns of migration and the evolution and phylogenetic relatedness of populations [29]. Naturally, gene transfer between species rarely happens unless the wild and domestic species are genetically similar, as in the case of domestic pigs and wild boar [30]. The phylogeographic field is concentrated at a broad spatiotemporal scale, creating knowledge about the connection at the species/subspecies level of previous historical events taking place during the quaternary geological period [31].

2.4. Epidemiology of Some Wildlife-related Infectious Disease

Pathogens often lack host specificity, and cross-species transmission has introduced the concept of an interface (Table 1); however, the exact mechanisms of transmission are rarely understood [16]. Viral diseases originating from wild animals are widely considered significant threats to public health, and the transmission of such viral pathogens from wildlife to other domestic animals and humans is exacerbated by the difficulty of detecting pathogens in wild populations [32]. The spillover of viral pathogens from wildlife to domestic animals and humans at the edges of protected areas, particularly in remote communities, is frequently under-reported and undetected. High-risk human activities, such as domesticating animals, encroaching on wildlife habitats and hunting, promote spillover events, leading to the emergence of viral diseases worldwide and threatening wildlife populations. [33].

Table 1. Lists of some infectious diseases occur at domestic and wildlife host and transmission methods

2.5. Factors Attributed to Disease Transmission at Wildlife-Livestock Interface

2.5.1. Land Use Patterns

The swift rise in population has resulted in the development of areas dominated by humans and a rise in land use for building, farming, and other purposes. This shift in land use has precipitated numerous diseases affecting both wildlife and livestock. The primary source of income for numerous communities is the sale of livestock and animal-derived products, while select ranching systems also generate supplementary income through wildlife harvesting and ecotourism-related activities [48]. Changed agricultural practices have altered habitats, pushing wildlife closer to human settlements and facilitating the transmission of pathogens to new hosts. Increased overlap between livestock and wildlife habitats due to land use changes raises the risk of mutual pathogen exchange [49].

2.5.2. Grazing/ Pastoralism

Increased competition for grazing and water resources intensifies pressure on land and contributes to conflicts between pastoralists and wildlife [50]. Most pastoralists face significant economic hardship and limited access to formal veterinary services. Consequently, they often rely on ethno-veterinary practices rooted in traditional knowledge and understanding of cattle diseases, to manage and control livestock health issues [49]. During grazing, livestock herbivores are constantly at risk of contracting diseases from other livestock species and within their species. The host range for previously restricted parasites has expanded due to infection transmission facilitated by shared habitats between cattle and wild populations. The interactions at the point of contact between herbivorous hosts and environmental feces dictate the transmission of parasites to grazing herbivores [51]. It is becoming more challenging to assess the current condition of wildlife illnesses in continents like Europe due to the dynamics of both wildlife and diseases due to the changes in livestock and wildlife management [37]. Animals in the wild now share habitats with livestock due to the growth of grazing land. Animals prefer to graze early in the morning and late in the afternoon in tropical areas because of the high average temperature, which causes them to concentrate in shaded regions like wallowing grounds. The nasopharynx and fecal excretions serve as key routes of pathogen shedding, facilitating the transmission of infectious diseases to both livestock and wildlife populations [52].

2.5.3. Microbial Mutation and Evolution

The wildlife-livestock interface has facilitated the transmission of infections to new hosts, serving as a breeding ground for disease intermingling. Due to their adaptive characteristics, numerous harmful microorganisms have since undergone mutation, resulting in strains that impact a large population of animals and can infect a variety of hosts. The rapid mutation rate of RNA viruses positions them as the primary agents in the emergence and re-emergence of diseases [53].

2.5.4. Movement of Animals/Global Trade

One of the main causes of the introduction of diseases is the movement of domestic or wild animals. The stress associated with overcrowding and fear during animal transport, often exacerbated by substandard conditions, significantly increases their vulnerability to infectious diseases [53]. Wildlife trade is one of the key issues in a potential transfer of infectious pathogens across species, even though it primarily affects species other than ungulates [54].

2.5.5. Vectors or Carriers

Arthropods such as ticks and flies significantly enhance the bidirectional transmission of infectious pathogens at the wildlife-livestock interface. More than any other arthropod vector, ticks transmit a wide range of harmful microbes, including viruses, rickettsiae, spirochetes, and protozoa, making them a principal source of diseases affecting both livestock and wildlife. This interaction has increased both, the prevalence and geographic distribution of well-known vector-borne diseases over the last decade [55].

2.6. The Impacts of Wildlife on Livestock

Interactions with wildlife can significantly impact cattle production, leading to morbidity and mortality due to infectious diseases. Additionally, decreased food security, the burden of zoonotic diseases, and predator-prey interactions can exacerbate economic hardship. Wildlife hosts frequently remain asymptomatic yet can significantly impact livestock health; for example, warthogs serve as reservoirs for African Swine Fever Virus (ASFV), while wild waterfowl are key carriers of highly pathogenic avian influenza [43], wild birds for Newcastle Disease virus, and African buffalo for Foot-and-Mouth Disease Virus (FMDV) [34,44,56]. In such cases, a large population of farmed pigs allows the virus to spread, mutate, and potentially jump to humans. As the disease spreads between farms, direct or indirect encounters between such reservoirs and vulnerable animal populations can trigger sporadic outbreaks that may escalate into epidemics [57]. Regional spread of the disease may result from continued wildlife transmission or, more frequently, from manmade sources such as the migration of diseased cattle or contaminated fomites [58].

2.7. The Impacts of Livestock on Wildlife

Livestock farming greatly affects wildlife through changes in land use and habitat intrusion [59]. This results in loss of habitat, food sources and water, which diminishes the diversity and number of animal species. A reduction in biodiversity may impair the "dilution effect," which could result in higher disease prevalence if vulnerable species become dominant. For instance, overgrazing reduces vegetation diversity and habitat space, which limits resources for wildlife. [60].

Numerous infectious diseases of the livestock can affect wildlife populations as well, resulting in significant mortality and losses (Figure 1). For example, ASFV (African Swine Fever Virus) can spread among domestic pigs and some wild pig species. When genotype II of ASFV was introduced into the Caucasus in 2007, it spread slowly but steadily through European wild boar populations. So far, about 12 European Union countries have reported ASF cases in wild boar, with over 30,000 cases recorded in the last five years alone [61]. The virus has also spread across Asia, affecting native pig species (Sus barbatus) and posing a serious threat to several highly endangered pig species in the region [62].

Figure 1. Pathogens circulating at the wild-livestock interface between multiple shared by a diversity of species Source: [56]

Another disease that has spread from livestock to wildlife is bovine tuberculosis, which was first detected in a single African buffalo in Kruger National Park in 1990 (Syncerus caffer) [63]. After analyzing the disease, it was concluded that Mycobacterium bovis likely entered the park around 1963 through contact with infected cattle. Since then, the disease has spread among the park's large buffalo population and has been found in at least 23 other mammal species, including large predators [64]. These disease spillovers are particularly concerning when they affect species already vulnerable or endangered. For example, recent cases of bovine tuberculosis have been found in endangered African wild dogs (Lycaon pictus) [65], and rabies outbreaks have been reported among Ethiopian wolf (Canis simensis) populations, both of which are species already at risk of extinction [32].

2.8. Prevention and Control Strategies to Reduce Disease in Wildlife–Livestock Interactions

2.8.1. Surveillance and Monitoring Programs

The importance of establishing comprehensive surveillance systems that encompass livestock, wildlife, and human elements has been emphasized. Strong surveillance at wildlife and the livestock-wildlife interface is essential for early identification of EIDs or pathogen spillover events between livestock and wild animals. The current surveillance systems are passive, disease-specific, and largely intended to support campaigns to eradicate illnesses like brucellosis, TB, and pseudo-rabies. Thus, implementing epidemiological surveillance should be based on both ecological monitoring (surveillance of vectors and wild reservoirs) and epidemiological monitoring (regular collection and analysis of epidemiological data and early warning systems for animal diseases) [66]. Disease reporting frequencies vary; some conditions need immediate notification, while others are reported periodically, often annually. Using graphs is recommended to help visualize trends, and combining animal disease data with human health records is crucial for a comprehensive understanding studies. An instance of an active surveillance program supports industry, human, and wildlife risk management methods and advances understanding of the ecology and epidemiology of illness [67].

2.8.2. Intensive Management

To maintain minimal interaction between the populations, it is necessary to rigorously manage both the wildlife population and the cattle. A prolific herd of cattle can be chosen to help with this, and feeding livestock in stalls can help stop the spread of diseases brought in by wild animals [56]. Farms should keep productive animals while eliminating underperforming ones. To reduce issues linked to interfaces, a proper land-use policy should be ensured. To reduce the likelihood of wildlife leaving their habitat, protected areas should incorporate habitat development measures for wildlife, such as building water bodies. Other methods to alter habitats include changing the distribution or density of hosts or reducing contact with disease agents [68].

2.8.3. Reduction of Wildlife in Livestock Areas

Globally, wildlife culling has been a widely to limit the transmission of diseases and mitigate the impact of large predators on domestic livestock [56]. However, in developed economies, implementation has become more challenging because of declining biodiversity and rising public concern over related ethical issues. Consequently, the preferred solution now is to relocate or translocate problematic animals. A thorough analysis of host-pathogen interactions within ecological systems is essential to fully comprehend their complexities prior to implementing wildlife culling measures. The advantages and disadvantages of such a disease management approach, pathogen transmission pattern, host contact pattern, regulatory processes, seasonality, spatial structure, and environmental sources of infection should be thoroughly analyzed before wildlife culling [69].

The translocation of problematic wildlife to reduce their presence in certain areas is also utilized as a management tool, particularly to mitigate human-wildlife conflict involving large predators of high conservation value [56]. To prevent disease spread, restricting wild animal translocations, including farm-bred wildlife, is crucial, necessitating closer collaboration between animal health and wildlife management authorities. Some wildlife species are considered nuisances for agricultural operations and are subject to pest control measures due to their heightened risk to biosecurity [70]. Moreover, the movement of domestic animals poses risks, potentially introducing new diseases or vectors into different regions (for instance, the introduction of rabbit hemorrhagic disease from China into Germany) [71].

2.8.4. Vaccination

Wildlife vaccination has occasionally been utilized to lower the risk of disease transfer to domestic livestock, with vaccine being administered orally [72]. This approach, however, is exceptional and typically targets the most significant diseases, particularly those causing substantial economic losses, where wildlife reservoirs play a crucial role. For example, in Europe, wildlife vaccination has been used to fight diseases like fox rabies [73], classical swine fever, and possibly bovine TB [53]. However, there are concerns within the scientific community about vaccinating rabbits against Myxomatosis and hemorrhagic disease [71]. Unlike culling, oral vaccination has several benefits, such as painless delivery that addresses animal welfare issues and preventing behavioral disruptions like greater dispersal or immigration. While treatment of diseases in wildlife is uncommon, vaccination can be an effective intervention in certain situations. However, developing safe and effective vaccine delivery systems suited to the specific challenges of wild animal populations is necessary [74]. Using insecticides and acaricides to control arthropod vectors offers an alternative approach for eliminating vector-borne animal diseases [74]. Continued research and innovation are crucial for creating and refining effective vaccination strategies for wildlife populations.

2.8.5. Reduction of Interactions Between Wildlife and Livestock

The emergence and spread of diseases are driven by complex interactions among hosts, pathogens, and the environment [5]. One of the primary approaches to reducing disease risk at the wildlife–livestock boundary is the adoption of farm-level interventions that limit opportunities for contact between the two groups. These procedures frequently separate populations according to their health status, allowing for zoning or compartmentalization, which is regularly used to protect global trade from specific production areas [75]. While fences are useful tools for preventing wildlife-livestock contact, their efficacy needs to be guaranteed by establishing a routine maintenance and observation program and adapting the design of the fence to the specific animal species in concern [76].

3. Conclusion and Recommendations

The present review delineates that the livestock-wildlife interaction plays a crucial role in how several zoonotic diseases are transmitted in Ethiopia. Cattle and wildlife populations tend to have significant detrimental effects on one another at those interfaces. While productivity loss and rising socioeconomic costs are the main effects on livestock, these interactions also raising the danger of new diseases, such as zoonosis. Some of these interactions and their effects on animal production can be minimized by biosecurity controls used in the livestock industry. Long-term solutions for decreasing wildlife-livestock interactions and their underlying causes, such as human migration because of war and climate change because of the burning of fossil fuels, are essential. The negative consequences, such as biodiversity loss and wildlife population decline due to habitat degradation and resource depletion, are often irreversible, particularly for wildlife. Therefore, the creation of strategies to lessen pathogen transmission between wildlife and both domestic animals and humans, better understanding of the risks and effects of infections, particularly at the interface between livestock and wildlife but also at the interface with people, and implementation of the One Health approach has been recommended.

Declaration of Interest

The authors affirm that they have no known conflicts of interest, whether financial or personal, that could have potentially influenced the work reported herein paper.

Data Availability Statement

The research detailed in the article did not involve the use of any data.

Credit Authorship Contribution Statement

All the authors contributed during the preparation of the manuscript. Dr. Mahendra Pal conceptualized the topic and contributed to the final editing of the draft, Firaol Tariku contributed to drafting the original manuscript, Tegegn Dilbato contributed to editing the review, Visualization and Conceptualization, Tesfaye Rebuma contributed to Writing the review and editing along with Visualization. Dr. Ravindra Zende conducted a detailed review of literature and drafted the manuscript and ensured comprehensive coverage of the topic. Dr. Aishwarya Nair contributed to the sections, edited the language and clarity of the manuscript.

Funding Statement

No financial support was received from any organization.

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