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Currrent Issue: Volume 3, Number 1, 2015


Larvae and Fry Rearing of Bata, Labeo bata (Hamilton, 1822) Using Different Supplementary Feeds

1Department of Fisheries Biology and Genetics, Bangladesh Agricultural University, Mymensingh-2202

2Laboratory of Aquaculture and Artemia Reference Center, Ghent University, Belgium

3Marine Environment and Resources (MER), University of Bordeaux, 33405 Talence, France

American Journal of Zoological Research. 2015, 3(1), 4-8
doi: 10.12691/ajzr-3-1-2
Copyright © 2015 Science and Education Publishing

Cite this paper:
Md. Abdullah-Al- Mamun, Md. Sarower-E- Mahfuj, Maruf Hossain Minar, Dhiman Gain, Md. Mukhlesur Rahman Khan. Larvae and Fry Rearing of Bata, Labeo bata (Hamilton, 1822) Using Different Supplementary Feeds. American Journal of Zoological Research. 2015; 3(1):4-8. doi: 10.12691/ajzr-3-1-2.

Correspondence to: Md.  Sarower-E- Mahfuj, Laboratory of Aquaculture and Artemia Reference Center, Ghent University, Belgium. Email:


The present study was conducted under two experiments to evaluate the effects of different feeds on larval (experiment-1) and fry rearing (experiment-2) of Labeo bata fish. Experiment-1 was conducted in 9 bowls under three treatments each with 3 replications (T1, T2, and T3). Fish larvae in T1 were fed with plankton, T2 with commercial feed and T3 with laboratory prepared feed. On the other hand, six ponds were divided into three treatments (T1, T2 and T3) each with two replications in experiment-2. Fish meal was used in T1, wheat bran in T2 and laboratory prepared feed in T3. Results in experiment-1 revealed maximum length gain in T1 (1.56±0.69) (cm) which was significantly (P<0.05) higher than that of T2 (0.64±0.34) cm and T3 (0.98±0.29) cm. Furthermore, highest specific growth rates (SGR) were found as (2.85±0.27)%, (1.55±0.11)% and (1.99±0.15)% in T1, T2 and T3, respectively. On the basis of growth performance, live food (plankton) showed the highest growth performance in case of larval rearing of bata. On contrary, experiment-2 revealed the mean maximum length gain of bata fry in T1 (3.76±0.05) cm significantly (P<0.05) higher than that of T2 (2.85±0.02) cm and T3 (2.56±0.01) cm. In this case, SGR was found in T1 (0.91±0.01)% followed by T2 (0.72±0.13)% and T3 (0.65±0.15)%. Use of fish meal showed best growth performance during bata fry rearing in terms of growth performance. However, the survival rates were low in both the experiments; therefore further detail and intensive research are highly suggested.



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The Effect of Chromium on Glucose Content of Freshwater Fish, Heteropneustes fossilis

1Bangladesh Council of Scientific and Industrial Research, Dhanmondi, Dhaka-1205

2Department of Fisheries Biology and Genetics, Bangladesh Agricultural University, Mymensingh-2202

3Food Instructor, Department of Food Technology, Gopalganj Polytechnic Institute, Gopalgonj

American Journal of Zoological Research. 2015, 3(1), 1-3
doi: 10.12691/ajzr-3-1-1
Copyright © 2015 Science and Education Publishing

Cite this paper:
Tahmina Hoq, Rakibul Hasan, Nazmul Haque, Md. Ashrafuzzaman. The Effect of Chromium on Glucose Content of Freshwater Fish, Heteropneustes fossilis. American Journal of Zoological Research. 2015; 3(1):1-3. doi: 10.12691/ajzr-3-1-1.

Correspondence to: Tahmina  Hoq, Bangladesh Council of Scientific and Industrial Research, Dhanmondi, Dhaka-1205. Email:


Heavy metal contamination have devastating effects on the ecological balance of the recipient environment and on diversity of aquatic organisms. Heavy metal like Chromium as an environmental stress or may alter the glucose content in fishes. Alternation of blood glucose level is the primary metabolic symptoms that can be noticed in organisms subjected to stressful situations. In the present investigation the effect of a heavy metal Potassium Di-Chromate on the blood glucose level of freshwater major freshwater fish, Heteropneustes fossilis have been studied at different concentration for three days. A group of ten fish were subjected to serial dilutions of the stock solution of k2Cr2O7 ranging from 20 ppm to 600 ppm in twelve large plastic bowls of 25 liter capacity by the semi-static (renewal) method. At the end of the exposure period, blood samples were taken from the control and experimental fish. Blood glucose level was monitored. The study showed that the values of blood glucose have a positive correlation with concentrations of this metal. The glucose levels were found higher in the exposed fish when compared to the control. In conclusion, the changes observed indicate that glucose level can be used as an indicator of chromium related stress in fish.



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