Body Composition and Fatty Acid Profile of Carps under the Influence of Ammonium Nitrate and Feed Supplementation
Body composition and fatty acid profile of carps
Keywords:Carps, Body Composition, Fatty Acid Profile, Maize Gluten, Ammonium Nitrate
Aquaculture plays a significant role in the food requirements of an increasing population. Fertilization, composition of diet and its feeding rates affect the fish meat quality. Objectives: To observe the body composition and fatty acid profile of carps towards rice polish and maize gluten supplementation in ammonium nitrate fertilized ponds. Methods: Two earthen ponds containing total 55 fishes were selected with each pond stocked with Rohu (Labeo rohita), Silver carp (Hypophthalmichthys molitrix) and Mori (Cirrhinus mrigala) at the final ratio of 2:1:1 respectively. Ammonium nitrate and rice polish was the feed in pond 1 while ammonium nitrate and maize gluten were the feed in pond 2. Results: Proximate analysis of fish meat samples showed that Labeo rohita showed maximum moisture contents in P1 (78.51%) and minimum in P2 (77.27%) in Hypophthalmichthys molitrix. Maximum crude protein was recorded as (17.93%) in L. rohita, under P2 whereas minimum crude protein was observed in P1 (16.81%) in L. rohita. C. mrigala remained well-known with minimum fat contents (1.71%) in P2 but maximum (1.96) in Labeo rohita in P2. H. molitrix gave the major ash contents of (1.85%) in P1 as compared to other experimental fish species. Highest position of carbohydrate contents in P1 was occupied by H. molitrix. The most abundant fatty acids recovered were monounsaturated fatty acids (37%) followed by polyunsaturated fatty acids (33%) and saturated fatty acids (29%). Conclusions: The body composition and fatty acid profile of carps varies depending upon their diet and feeding rate.
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