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Effect of Dietary Incorporation of dry-powdered water hyacinth (Eichhornia Crassipes) meal on growth and digestibility of Labeo rohita fingerlings

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Title Effect of Dietary Incorporation of dry-powdered water hyacinth (Eichhornia Crassipes) meal on growth and digestibility of Labeo rohita fingerlings
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Creator Debnath, D.
Yengkokpam, S.
Bhattacharjya, B.K.
Biswas, P.
Prakash, C.
Kohli, M. P. S.
Sharma, A. P.
 
Subject Labeo rohita
Eichhornia crassipes
Digestibility
Growth
 
Description Not Available
Keeping the importance and search for unconventional feed resources and/or standardizing their level of
incorporation in mind, we incorporated dry-powdered water hyacinth (Eichhornia crassipes) meal in feeds
and studied its effect on growth and digestibility in Labeo rohita fingerlings. Five feeds with 30 % crude
protein level were formulated using Eichhornia meal (EM) at 0 (control), 5 (EMF1), 10 (EMF2), 15
(EMF3) or 20 % (EMF4) of the diet replacing rice bran by equal proportions. Three hundred fingerlings
(7.40 ± 0.05 cm; 5.27 ± 0.12 g) were distributed into fifteen tanks (200 l capacity) and fed the experimental
diets for 60 days. In the last 30 days, digestibility studies were conducted using 0.5 % chromic oxide as an
external marker in feed. At 10 % inclusion of EM, the experimental fish showed the highest weight gain
percent (WG%), specific growth rate (SGR), protein efficiency ratio and apparent net protein utilization
with lowest feed conversion ratio. Whereas the growth performance at 15 % inclusion level was
comparable with the control and further increase to 20 % level of EM showed reduced growth responses
but the feed was fairly palatable to the fish. Lower digestibility was also observed in EMF4 group. It is
concluded that EM can be included at 15 % level in the feed of L. rohita fingerlings without adversely
affecting the growth, dry matter and nutrient digestibility. However, economic feasibility of this feedstuff
needs to be analyzed to see whether the reduced cost of diets would compensate for the reduced
performance of fish at higher inclusion levels.
Indian Council of Agricultural Research
 
Date 2021-08-11T06:33:56Z
2021-08-11T06:33:56Z
2016-08-27
 
Type Article
 
Identifier Debnath, D., Yengkokpam, S., Bhattacharjya, B.K., Biswas, P., Prakash, C., Kohli, M. P. S., Sharma, A. P., 2018. Effect of Dietary Incorporation of dry-powdered water hyacinth (Eichhornia Crassipes) meal on growth and digestibility of Labeo rohita fingerlings. Proceedings of the Zoological Society 71: 74-82.
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http://krishi.icar.gov.in/jspui/handle/123456789/54646
 
Language English
 
Relation Not Available;
 
Publisher Springer