放牧条件下乌珠穆沁后备母羊四季牧草采食量研究

Renggui SAQI,Dan SANG,Haizhou SUN,Ruixia ZHAO,Min HONG,Xiaoping REN,Chunhua ZHANG

Heilongjiang Animal Science and Veterinary Medicine（2017）

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Abstract

为了探讨乌珠穆沁后备母羊四季放牧采食情况,试验采用饱和链烷烃法对乌珠穆沁后备母羊四季放牧采食量进行测定.结果表明:乌珠穆沁后备母羊春、夏、秋、冬四季放牧干物质采食量分别为(1.68 ±0.11) kg、(3.22±0.19)kg、(0.95 ±0.27) kg和(0.52 ±0.07) kg,以夏季采食量最高,显著高于春季(P＜0.05),极显著高于秋季和冬季(P＜0.01);春季和夏季蛋白质摄入量均高于需求量,秋季和冬季均低于需求量.说明在放牧条件下,乌珠穆沁后备母羊在秋季和冬季应根据草场营养供给情况进行有效补饲.

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