The effects of different levels of additive soy phosphatide in the diet of early lactation cows with northeast hay and corn silage as roughage on their performance were studied.
以羊草和青贮玉米为粗饲料，对奶牛饲粮添加不同水平大豆磷脂的饲喂效果进行研究。
The results showed that sensory evaluation of the silages were good in silage without adding additive and in silage adding additive, the score were 16 and 17, respectively.
试验结果表明：直接青贮和加入添加剂青贮后感官性状的评分分别为16分和17分，均达到优良等级。
The results showed that sensory evaluation of the silages were good in silage without adding additive and in silage adding additive, the score were 16 and 17, respectively.
试验结果表明：直接青贮和加入添加剂青贮后感官性状的评分分别为16分和17分，均达到优良等级。
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