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Effects of Dietary Supplementation Sel-plex on Lactation Performance and Milk Quality in Dairy Cows
Author(s): 
Pages: 13-16
Year: Issue:  5
Journal: CHINA DAIRY CATTLE

Keyword:  荷斯坦奶牛赛乐硒泌乳性能乳硒;
Abstract: 选用35头处于干奶期40d、泌乳期相近和上胎平均日产奶量20kg的中国荷斯坦奶牛,采用完全随机区组设计分为7组,即:对照组、亚硒酸钠组(7.5mgSe/d、15mgSe/d和22.5mgSe/d)和赛乐硒组(7.5mgSe/d、15mgSe/d和22.5mgSe/d),研究赛乐硒和无机硒对奶牛泌乳性能和乳硒含量的影响.结果表明:在泌乳期30d、60d、90d赛乐硒组较对照组显著提高奶牛产奶量、乳蛋白率和乳干物质含量,有提高乳脂率和乳糖含量的趋势.试验前各组乳硒差异不显著,试验期赛乐硒组较无机硒组、对照组显著提高乳硒含量.
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