Arginine Requirements and Optimum Balance between Dietary Arginine and Lysine in Broiler Chicks
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منابع مشابه
Dietary interrelationships among arginine, methionine, and lysine in young broiler chicks.
Since excess dietary lysine (Lys) can increase the chick's arginine (Arg) requirement and excess Arg can increase the chick's methionine (Met) requirement, experiments were conducted to test the hypothesis that responses to dietary Lys and Met are also interrelated. Day-old Ross x Ross chicks were fed a maize-soyabean meal-based diet supplemented with four levels of L-Arg (0, 5, 10 or 20 g/kg),...
متن کاملDietary arginine levels alter markers of arginine utilization in peripheral blood mononuclear cells and thymocytes in young broiler chicks.
Arginine is an essential amino acid in Aves and is also an important substrate for the immune system. Dietary Arg in avian diets must be sufficient to not only support growth but also immunity. To better understand Arg needs for immunity, 2 experiments examined markers of Arg use by the immune system in growing broiler chicks. Broiler hatchlings were fed diets containing adequate (1.2%) or high...
متن کاملLysine, methionine, phenylalanine, arginine, valine, isoleucine, leucine, and threonine maintenance requirements of broiler breeders.
Five hundred and sixty Cobb-Vantress broiler breeders were used to determine the maintenance requirement of dietary Arg, His, Ile, Leu, Lys, Met, Phe, Thr, and Val in 10 21-d assays using the comparative slaughter technique. Fifty sexually immature broiler breeder pullets per assay were given crystalline amino acid diets containing graded levels of Arg, His, Ile, Leu, Lys, Met, Phe, Thr, or Val...
متن کاملEarly lysine deficiency in young broiler chicks.
The carry-over effect of a pre-starter diet (0 to 3 days of age) deficient in lysine on subsequent growth and body composition (3 to 10 days) was examined in two experiments on male broiler chicks raised in cages. In experiment 1, lysine deficiency was applied from 3 to 10 days after providing a balanced pre-starter control feed (D+, 1.40% lysine) or a lysine deficient feed (D-) during the firs...
متن کاملDetermination of the Arginine, Tryptophan and Glycine Ideal-Protein Ratios in High-Yield Broiler Chicks
Introduction: Requirements for dietary amino acids (AA) in broilers may be affected by a variety of nutritional, environmental, genetic, or management factors. In order to address these variations in diet formulation, ideal ratios of indispensible AA to digestible (d) Lys, which remain relatively unaffected by these factors, may be used instead [1]. Nutritionists have successfully applied the i...
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ژورنال
عنوان ژورنال: Nihon Chikusan Gakkaiho
سال: 1998
ISSN: 1346-907X,1880-8255
DOI: 10.2508/chikusan.69.760