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Effect of farm made feeds on polyculture of shrimp (Penaeusudmonodon) and three brackishwater finfish species

机译:养殖饲料对虾混养的影响(Penaeus udmonodon)和三种咸淡水鱼类

摘要

A study was conducted to evaluate the effects of feed made from locally available ingredients on polyculture of shrimp and three brackishwater finfish species. Hatchery produced post-larvae (PL) of shrimp Penaeus monodon (0.005g) were stocked at the rate of 15,000 PLs/ha. Brackishwater finfish species Liza parsia, Mugil cephalus andudRhinomugil corsula of 0.63-1.4lg collected from local rivers were stocked at the rate 8,000, 1,000 and 2,000/ha, respectively in four treatments. Shrimp and finfishes were fed four different experimental diets composed of fish meal, mustard oil cake, rice bran, oyster shell power and vitamin premixes at the rate of 3-5% estimated crop/day for 195 days. Among four treatments, P. monodon showed comparative better growth in T4 and T3. Finfish L. parsia showed its better performance in treatment T2. Species M. cephalus and R. corsula showed insignificant production. P. monodon showed better growth with diet of fish meal and mustard oil cake@ 28.84 and 33.65%, respectively in T 3 and 19.22 and 43.27%, respectively in treatment T4.
机译:进行了一项研究,以评估由当地可得的原料制成的饲料对虾和三种咸淡水有鳍鱼类混养的影响。孵化场生产的虾对虾斑节对虾(0.005g)的幼体(PL)以15,000 PLs / ha的速度放养。从四种河流中分别以8,000、1,000和2,000 / ha / ha的速率放养从当地河流收集的咸淡水有鳍鱼类Liza parsia,Mugil cephalus和 uRhinomugil corsula 0.63-1.4lg。虾和鳍鱼被喂食了四种不同的实验饲料,包括鱼粉,芥末油饼,米糠,牡蛎壳粉和维生素预混料,以估计的每天3-5%的速率连续195天。在四种处理中,斑节对虾在T4和T3中显示出相对较好的生长。 Finfish L. parsia在治疗T2中表现出更好的性能。头孢分支杆菌和Corsula分支杆菌显示出微不足道的产量。在处理T4中,斑节对虾在鱼粉和芥末油饼的饮食中表现出更好的生长@分别为28.84和33.65%,分别为19.22和43.27%。

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