| Автор | D'Mello, J. P. F. |
| Автор | Lewis, D. |
| Дата выпуска | 1970 |
| dc.description | SynopsisThe quantitative nature of specific interactions between certain indispensable amino acids has been examined in a series of factorial experiments with young chicks.It was demonstrated that when the dietary concentration of lysine was 1.10 per cent, the arginine requirement of the chick was 0.80 per cent. When the lysine concentration was raised to 1.35, 1.60 or 1.85 per cent of the diet, the arginine requirement was increased to 0.92, 1.04 and 1.15 per cent of the diet respectively. In another experiment, it was found that when due importance had been attached to the interaction between lysine and arginine, the requirements for these amino acids could be lowered to 0.94 per cent and 0.81 per cent respectively. These concentrations are considerably lower than those normally recommended for young chicks.The interrelationship between leucine and isoleucine has also been defined in quantitative terms. At concentrations of 1.40, 2.15 or 2.90 per cent leucine, the isoleucine requirement was 0.58, 0.62 and 0.65 per cent of the diet respectively.In a further study, a similar dependence of valine requirements upon the dietary concentration of leucine was observed: at concentrations of 1.40, 2.40 or 3.40 per cent leucine, the valine requirement was shown to be 0.77, 0.89 and 1.01 per cent respectively. The results of the experiment on the threonine‐tryptophan interaction indicated that at concentrations of 0.80, 1.30, 1.80 or 2.30 per cent threonine, the tryptophan requirement was 0.17, 0.18, 0.19 and 0.20 per cent of the diet respectively.The results of the present study permit the general conclusion that the requirements of amino acids are interdependent. |
| Формат | application.pdf |
| Издатель | Taylor & Francis Group |
| Копирайт | Copyright Taylor and Francis Group, LLC |
| Название | Amino acid interactions in chick nutrition |
| Тип | research-article |
| DOI | 10.1080/00071667008415827 |
| Electronic ISSN | 1466-1799 |
| Print ISSN | 0007-1668 |
| Журнал | British Poultry Science |
| Том | 11 |
| Первая страница | 367 |
| Последняя страница | 385 |
| Аффилиация | D'Mello, J. P. F.; Department of Applied Biochemistry and Nutrition, University of Nottingham, School of Agriculture; Department of Agricultural Biochemistry, The East of Scotland College of Agriculture |
| Аффилиация | Lewis, D.; Department of Applied Biochemistry and Nutrition, University of Nottingham, School of Agriculture |
| Выпуск | 3 |
| Библиографическая ссылка | Agricultural Research Council. 1963. The Nutrient Requirements of Farm Livestock. No. 1. Poultry., London: Agricultural Research Council. |
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| Библиографическая ссылка | D'Mello, J. P. F. and Lewis, D. 1970b. Amino acid interactions in chick nutrition. 2. The interrelationship between leucine, isoleucine and valine. Br. Poult. Sci., 11: 313–323. |
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