Because of the lower reproductivity compared to chicken and ducks,it is necessary to improve the reproductive performance of geese in geese breeding and feeding.
与鸡和鸭相比,鹅的繁殖力较低,提高鹅的繁殖性能对促进养鹅业发展具有重要意义。
参考来源 - 日粮蛋白水平和外源性GnRH类似物对溆浦鹅产蛋性能和卵泡发育的作用及其机制研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Lower reproductive performance of high producing dairy cows is associated with negative energy balance (NEB).
高产奶牛繁殖性能下降与能量负平衡(NEB)有关。
The objectives of this experiment were to assess effects of dietary energy on sow reproductive performance and serum parameters.
研究了饲粮能量水平对母猪繁殖性能和血清参数的影响。
The objective of this study was to evaluate effects of partial substitution of concentrate with ryegrass on reproductive performance in Changjia sows.
用青绿饲料黑麦草部分替代精料饲喂长嘉母猪，研究替代后对母猪繁殖性能的影响。
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