Journal of Fisheries & Livestock Production
Open Access

Abstract

The present study was designed to investigate the impact of slow release non-protein nitrogen on the performance of weaned crossbred calves. A total of 21 crossbred male calves of same age and body mass index were divided into three equal groups A, B and C. The calves belonging to the group A and B were offered experimental feed amended with Optigen (30 g/head and 15 g/head) while group C was kept on basal feed and served as control. The experiment was conducted for duration of 60 days. Feed intake, body weight, average daily weight gain, feed efficiency, economic return, hematology and plasma profile was studied. It was observed in present study that use of NPN has non-significant effect on weight gain, feed intake, blood glucose level and blood urea nitrogen, whereas it increase overall profitability. The profit value gained/day/calf was Rs. 8.6 in group A while it was Rs. 0.3/calf/day in group B. It is recommended from this study that further trials on large scale may also be conducted to observe effect on NPN.

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