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Year: 2016, Issue: June

Effects of different levels of squid waste meal as substitute for fish meal on the growth of the pacific white shrimp (Litopenaeus vannamei) post larvae.
P. J. Mahida, S. I. Yusufzai, S. R. Lende, S. S. Rathore and M. H. Parmar
Squid waste meal, Fish meal replacement, Shrimp L. vannamei.
Present study evaluated the suitability of squid waste meal as an alternate protein source of fish meal for pacific white shrimp (Litopenaeus vannamei) post larval diet. Feed ingredients were collected from the local market and were analyzed for protein, fat, ash, moisture content. The control diet (FM100) was formulated with 100% fish meal and zero % squid waste meal. Other experimental diets were formulated with squid waste meal 25% (FM75), 50% (FM50), 75% (FM25) and 100% (FM0) replacing 25, 50, 75 and 100% of the fish meal respectively. The diets were formulated to provide 35% crude protein on a dry weight basis. Shrimp post larvae (initial weight 0.74�0.01 g) were fed experimental diets ad libitum for 60th days. Based on the results obtained, there was significant difference (P<0.05) reported in weight and length gain, specific growth rate (SGR), food conversion ratio (FCR) and protein efficiency ratio (PER) of post larvae fed with the different feeds during a period of 60th days. Shrimp fed the diets containing 75 and 100% SWM showed significantly better performance in terms of final length, length gain, final body weight, weight gain (%), SGR, FCR and PER than other SWM diets. It is concluded that squid waste meal is a promising alternative protein source for L.vannamei feeding, improving growth ratio at dietary inclusion levels as high as 100%.

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