Use of Fermented Fish Ensilage in the Diets of Etroplus suratensis (Bloch)
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Abstract
A feeding experiment was conducted to assess the ability of Etroplus suratensis (Bloch) to utilize diets containing fish ensilage as a major protein source' Attempt was also made to find out whether the neutralization of the fermented ensilage influenced the growth of E. suratensis or not. No significant difference in the survival rate of fish fed with various feeds was noticed (P(0.05). However, significant difference could be observed in specific growth rate,(p<0.01), food conversion efficiency and protein efficiency ratio (P<0.05) The study revealed that the diets containing fish ensilage, either neutralized with calcium hydroxide or without neutralization could yield better wait gains(86.25% and 89.08% respectively ) than other feeds. E. suratensis could utilize the diets containing fish ensilage as the as hydroxide protein recorded lower wait gain (80.87%)the effect was more adverse when potassium hydroxide was used as the neutralizating agent (56.18%)
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