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- 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。
- This paper studied the effect of gonadotropin releasing hormone on reproductive performance in buck. 本试验研究了促性腺释放激素对公兔繁殖性能的影响。
- In this paper, the effect of Osteopontin (OPN) gene on the Black Dahe pig reproductive performance was researched. 摘要研究了骨调素基因对大河乌猪繁殖性能的影响。
- Strategies for successful sow nutrition must pay attention to long term reproductive performance. 成功的母猪营养饲喂体制必须注意到长期的繁殖性能。
- Correlation of some reproductive performance of sow was sdutied among 465 sows and 1064 nets. 对465头母猪、1064胎次的繁殖性状进行了统计分析。
- Clinical symptoms of sheep in zones A,B showed that ram and ewe were reduced reproductive performance,steely wolf,fall wool and lamb swayback. A区和B区绵羊临床表现出被毛发焦、脱毛、羔羊出现摇摆病，羊群中母羊发情推迟，公羊配种能力下降。
- Reproductive PRRS is associated with abortions, weak and stillborn piglets, early farrowing and a reduction in reproductive performance. 生殖的 PRRS 与生殖的表现的流产、弱和生下来已死的小猪仔、早的产和减少有关。
- Finally, we introduced the relationships between bone morphogenetic protein 15 gene, bone morphogenetic protein receptor IB gene and reproductive performance. 骨骼形态发生蛋白15基因和骨骼形态发生蛋白受体IB基因与繁殖性能的关系。
- However there is a need for further research focusing specifically on the relationship between diet and various levels of exercise on reproductive performance. 但是对于饮食和不同水平的锻炼与生育能力的关系需要进一步明确的研究。
- Specifically, these include (1) production, (2) conformation, (3) longevity, (4) calving ease, (5) milking speed, (6) milking temperament and (7) reproductive performance. 具体包括：(1)产奶量；(2)遗传力构造；(3)奶牛寿命；(4)难产率；(5)挤奶速度；(6)挤奶性情和(7)繁殖性能。
- However , modern sows, with a leaner genotype and the superior reproductive performance we have come to expect, must be managed differently from their counterparts of 20 years ago, since they begin their reproductive life with fewer body reserves. 然而，我们现在所期盼的瘦肉型高繁殖性能的母猪，必须要与20年前的养殖管理有所区别，因为它们要用更少的体储备来实现高繁殖性能。
- The theater gives two performances a day. 这座剧场一天演出两场。
- Effects of dietary iodine level on reproduction performance of gestation sow. 日粮中碘水平对妊娠母猪繁殖性能的影响。
- The growth and development, physiological indicators, external grading, disease resistance, reproductive performance of Angus bulls and cows produced by embryo transfer were recorded. 对湖北胚胎移植出生的安格斯种牛的生长发育、生理指标、外貌等级、疫病抵抗力、公牛采精性能、母牛的繁殖性能进行了饲养观察、记录和测定。
- These results also indicate that it is possible to use the recombinant inhibin a subunitfusion protein prepared in the present study to improve reproductive performance in breeder animals. 表明抑制素免疫与现行的外源性激素超排方法结合应用，能获得更高的超排效率，可用于胚胎生产，提高胚胎生产的效率。
- His performances of Othello was terrible. 他的奥赛罗演得糟透了。
- For the high reproductive performance of Meishan pigs, they have been imported competitively into several countries to improve the reproductive efficiency of local pig breeds in recent 20 years. 由于梅山猪的高产仔性能,近20年来已被国外竞相引迸,主要目的是用以改良其本国猪种的产仔性能。
- Lasers can be used to perform operations nowadays. 现在激光可以用来做手术。
- His performances have become wooden and dull. 他的演出变得呆板乏味。
- What functions can this program perform? 这一程序有哪些功能?
