Use of khesari (lathyrus sativus) in chick diets

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Abstract
1. Broiler chicks, reared for 14 d in battery brooders, were given diets containing 100, 222 or 367 g/kg of khesari meal (Lathyrus sativus) in three different experiments. 2. Birds receiving raw khesari consumed less food and grew more slowly than birds receiving a maize‐soya diet. Supplementation with DL‐methionine did not improve the nutritive value of khesari diets, but the inclusion of L‐tryptophan produced a positive response. 3. When khesari was either autoclaved or heated in a commercial “ micronisation “ process and then incorporated at 367 g/kg in a balanced chick diet, growth and efficiency of food utilisation were at least equal to those obtained with a maize‐soya diet. 4. Khesari depresses chick growth when fed raw, but is an excellent protein source for growing chicks if fed after a suitable heat treatment. Since the component in raw khesari which is toxic to chickens is heat‐labile, it is probably not the same factor that is responsible for human lathyrism.

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