食用大豆皮對奶牛產(chǎn)奶量和乳成分的影響-預覽頁
【正文】 ++體細胞(105/ml)18++18++3 結論 以大豆皮替代產(chǎn)奶牛精料中的30%玉米，對于產(chǎn)奶牛乳蛋白含量沒有明顯影響。美國大豆協(xié)會飼料技術講座文集，19981999, pp. 120138.Conrad, H. R., and J. W. Hibbs. 1961. Nitrogen metabolism in dairy cattle. II. Soybean flakes versus oats as principal sources of digestible carbohydrates for nitrogen utilization. J. Dairy Sci. 44:19031909.Coomer, J. C., H. A. E. Amos, C. C. Williams, and J. G. Wheeler. 1993. Response of early lactation cows to fat supplementation in diets with different nonstructural carbohydrate concentrations. J. Dairy Sci. 76:37473754.Goering, H. K., and P. J. Van Soest. 1970. Forage fiber analyses (apparatus, reagents, procedures, and some applications). Agric. Handbook No. 379. ARSUSDA, Washington, DC.Macgregor, C. A. and F. N. Owen. 1976. Effect of increasing ration fiber with soybean mill run on digestibility and lactation performance. J. Dairy Sci. 59:682689.Nakamura T, and F. G. Owen. 1989. High amounts of soyhulls for pelleted concentrate diets. J Dairy Sci, 72:988~994.NRC. 2001. Nutrient Requirements of Dairy Cattle. (7th Rev. Ed.). National Academy Press, Washington, DC. 1989.Quicke, G. V., O. G. Bentley, H. W. Scott, R. R. Johnson, and A. L. Moxon. 1959. Digestibility of soybean hulls and flakes and the in vitro digestibility of the cellulose in various milling byproducts. J. Dairy Sci. 42:185186.Weiss, W. P. 1995. Full lactation response of cows fed diets with different sources and amounts of fiber and ruminal degradable protein. J. Dairy Sci. 78:18021814.
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