Determiation of optimum calcium and phosphorour levels and effect of supplement of vitamins A,D and E on calcium and phosphorous consumption effectiveness in feed of age-productive chicken
2001
Pham Cong Thieu | Vu Duy Giang
Supplement of 4 percent calcium 0.6 percent phosphorous and 20g vitamins A, D, E/kg feed to egg-productive chicken feed is most effective in rapid growth, high vitality increased egg laying rate and reduced feed. Addition of minerals from oyster shells or egg shells showed similar results, but use oyster shells is less expensive.
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Библиографическая информация
Nong Nghiep Va Phat Trien Nong Thon
|
Science and Technology Journal of Agriculture and Rural Development
Выпуск
7
ISSN
0866-7020
Нумерация страниц
pp. 461-463
Язык
вьетнамский
Примечание
Summary (En)
2 tables
Переведенный заголовок
Xac dinh muc canxi, photpho thich hop va anh huong cua viec bo sung vitamin A,D,E den hieu qua su dung canxi, photpho trong khau phan ga sinh san huong trung
Тип
Summary
2002-08-15
AGRIS AP
Поставщик данных
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