The use of rubber seed meal in poultry 1. The effect of varying levels of rubber seed meal in broiler diets

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Parent Category: 1979

S.W Yeong and Syed Ali, A.B

Abstract

Two experiments were carried out to study the use of rubber seed meal (RSM) in broiler chickens growth from 5th to 10th week of age. In the first trial the body weight gain and feed efficiency of chicks were adversely affected (P<0.05) when RSM level was higher than 30% in the diet replacing maize and soybean meal. Supplementation of extra 0.15% DL-methionine to the high RSM-based diets did not reverse the adverse effect of RSM. In the second trial, RSM was added to 45% in the diet with proper balance of dietary lysine and methionine levels. It was observed that the feed intake, body weight gain and feed efficiency of birds fed methionine and lysine supplemented RSM-based diets were not significantly different from those fed the control. The metabolizable energy value in rubber seed meal was 2,861 + 159 kcal/kg on a dry matter basis. RSM could be supplemented to as high as 45% to broiler diets provided that the levels of lysine and methionine were adjusted to meet their requirement.

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