【摘要】 本文探讨了在粗饲料不足的晚春季节,利用柠条无叶期枝条部分替代泌乳牛日粮粗饲料的可行性。结果表明:柠条无叶期枝条,同样具有一定的饲用价值,用之替代奶牛日粮部分粗饲料,饲喂泌乳牛,在维持正常产奶水平的同时,乳脂肪、乳蛋白、乳糖及乳干物质等均具有提高的趋势。更多还原

【Abstract】 The possibility of substituting some proportion of roughage in the diet of lactating cows for nonleave stage branches of Caragana Korshinskii during the late spring season being short of roughage. Experiment showed that the nonleave stage branches of Caragana Korshinskii have the certain nutritional value of feeding lactating cows by replacing part of roughage, such feeding could maintained the normal lactation level and the trends of the increase of milk fat, milk protein, lactose, and dry matter content were noted as well.更多还原