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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书目信息
页码
pp. 461-463
语言
越南语
注释
Summary (En)
2 tables
翻译的标题
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
类型
Summary
2002-08-15
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