Author(s): R Jannathulla, K Ambasankar, J Syama Dayal, M Rajamohamed Kalanjiam, O Sravanthi and B Rajesh

Abstract: Two separate studies were carried out to ascertain the functional properties and chemical composition of shrimp feeds. In the first study five different commercial shrimp feeds (Brand-A, B, C, D and E) were collected from Andhra Pradesh-India. In the second study, five different grades (Grade-1.0, 1.2, 1.4, 1.6 and 1.8mm diameter) of shrimp feed from a particular firm were collected. The results of the first study revealed that Brand-C had the lowest water retention (156.33%). There was a significant (P<0.05) difference in bulk density among the brands (786.69-838.61 g/L). Swelling capacity has crossed >100% in Brand-A, B and D. Variations of chemical composition are found to be within the acceptable level. In the second study, as the pellet size increases (1.0-1.8mm), water retention (182.87-158.85%) and dry matter leaching (8.58-3.95%) were decreased, and bulk density (755.06-807.75 g/L) was increased. The chemical composition of feed with varying diameters showed significant variations.

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