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British Poultry Science

Bornstein, S., Division of Poultry Science, Volcani Institute of Agricultural Research, Rehovot, Israel
Lipstein, B., Division of Poultry Science, Volcani Institute of Agricultural Research, Rehovot, Israel

Three trials were performed during consecutive years, involving a total of 972 Leghorn hens, in order to compare all-vegetable layer diets of marginal protein content based either on milo or on maize as the only cereal grain. Under the conditions of this study the only consistent, and at times significant, effect due to the source of cereals was the reduction of egg size due to milo. Methionine supplementation of milo diets equalised egg weights. The calculated sulphur amino acid requirement for Optimal egg size appeared to be about 560 mg/bird d. Maize contains decidedly higher levels of linoleic acid than milo, especially on a whole grain basis (2.3% as compared with 1.5%); the difference is reflected in the fatty acid pattern of the yolk lipids of eggs produced by hens-fed these diets. The dietary to yolk linoleic acid ratio appeared to be 1 to 9–10, for dietary levels ranging from 1-o to 1.7%.Milo-soya diets containing 1 •1-1-2% dietary linoleic acid were adequate for optimal egg size, on the condition that methionine requirements Had been met, that daily food consumption was not less than 110 g/bird, and that the pre-layer diets had been rich in linoleic acid. If the pre-layer diets had been composed of practical ingredients relatively low in this essential fatty acid, a minimum level of 1*5–1–6% dietary linoleic acid was indicated., Acidulated soya soapstock proved a practical linoleic acid supplement. © 1972, Taylor & Francis Group, LLC. All rights reserved.
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Comparisons of sorghum grain (milo) and maize as the principal cereal grain source in poultry rations -1972
13

Bornstein, S., Division of Poultry Science, Volcani Institute of Agricultural Research, Rehovot, Israel
Lipstein, B., Division of Poultry Science, Volcani Institute of Agricultural Research, Rehovot, Israel

Comparisons of sorghum grain (milo) and maize as the principal cereal grain source in poultry rations
Three trials were performed during consecutive years, involving a total of 972 Leghorn hens, in order to compare all-vegetable layer diets of marginal protein content based either on milo or on maize as the only cereal grain. Under the conditions of this study the only consistent, and at times significant, effect due to the source of cereals was the reduction of egg size due to milo. Methionine supplementation of milo diets equalised egg weights. The calculated sulphur amino acid requirement for Optimal egg size appeared to be about 560 mg/bird d. Maize contains decidedly higher levels of linoleic acid than milo, especially on a whole grain basis (2.3% as compared with 1.5%); the difference is reflected in the fatty acid pattern of the yolk lipids of eggs produced by hens-fed these diets. The dietary to yolk linoleic acid ratio appeared to be 1 to 9–10, for dietary levels ranging from 1-o to 1.7%.Milo-soya diets containing 1 •1-1-2% dietary linoleic acid were adequate for optimal egg size, on the condition that methionine requirements Had been met, that daily food consumption was not less than 110 g/bird, and that the pre-layer diets had been rich in linoleic acid. If the pre-layer diets had been composed of practical ingredients relatively low in this essential fatty acid, a minimum level of 1*5–1–6% dietary linoleic acid was indicated., Acidulated soya soapstock proved a practical linoleic acid supplement. © 1972, Taylor & Francis Group, LLC. All rights reserved.
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