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Evaluation of compounded feeds with varying protein: energy ratios for the Indian white shrimp Fenneropenaeus indicus

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Relation http://eprints.cmfri.org.in/2157/
 
Title Evaluation of compounded feeds with varying protein: energy ratios for the Indian white shrimp Fenneropenaeus indicus
 
Creator Vijayagopal, P
Babu Philip, M
Sathianandan, T V
 
Subject Fish Nutrition
Prawn and Prawn fisheries
 
Description The present investigation is on the performance of six feeds compounded using fishmeal, shrimp meal, groundnut oil cake and clam meal to determine the appropriate protein: calorie ratios. Six protein (%): gross energy (kcal.100 g-1) combinations (22.43: 413.69, 31.99: 451.63, 35.71: 456.02, 43.28: 407.68, 47.65:451.80 and 52.68:469.76) were evaluated in the early juveniles of the Indian white shrimp
Fenneropenaeus indicus (average initial weight: 0.43 + 0.03 g) . The P/E ratio i.e., mg protein. kcal-1 of these diets was 54.22, 70.83, 78.31, 106.16, 105.47 and 112.14. Weight gain, relative growth rate (RGR), specific growth rate (SGR), protein efficiency ratio (PER) and food conversion ratio (FCR), apparent dry matter digestibility (ADMD) and apparent protein digestibility (APD) were assessed. Second degree polynomials were fitted with the data set to derive optimum levels of protein and GE. The best performance
was observed with the protein: GE combinations 2 and 5 respectively suggesting a protein sparing of 15%
with an increase of 30% non-protein energy constituents in the diet. Optimum levels of protein and GE were 31.74% and 430.95 kcal 100g-1 with a P/E ratio of 86.18. Nursery feeds with the above derived protein: energy density can be formulated with locally available feed ingredients and applied in nursery rearing systems of the Indian white shrimp. F. indicus is found capable of utilizing high amount of carbohydrates compared to closely related penaeid shrimps.
 
Publisher MBAI
 
Date 2008
 
Type Article
PeerReviewed
 
Format application/pdf
 
Language en
 
Identifier http://eprints.cmfri.org.in/2157/1/Vijayagopal_202-208.pdf
Vijayagopal, P and Babu Philip, M and Sathianandan, T V (2008) Evaluation of compounded feeds with varying protein: energy ratios for the Indian white shrimp Fenneropenaeus indicus. Journal of the Marine Biological Association of India, 50 (2). pp. 202-208.