1) Earlier stage milk characters
早期泌乳性状
2) early lactation
泌乳早期
1.
Effects of calcium propionate supplementation on lactation performance and metabolites in early lactation Holstein dairy cows
丙酸钙对泌乳早期奶牛泌乳性能和代谢产物的影响
2.
Effects of magnesium propionate supplementation on body condition,lactation performance and metabolic parameters in early lactation Holstein dairy cows
丙酸镁对泌乳早期奶牛体况、泌乳性能和代谢参数的影响
3.
The author reviewed the metabolic changes and nutritional demands of dairy cows during transition and early lactation and their influences on milk production, fertility and health.
通过对围产期与泌乳早期奶牛营养代谢特征及其与生产性能,繁殖率和健康关系的分析,作者提出改善能量负平衡,调整日粮营养组分,补充维生素和矿物质等营养调控手段,是降低奶牛代谢病发生率,改善繁殖性能,提高生产性能的有效策略。
3) milk traits
泌乳性状
1.
Insulin-like growth factor binding protein 3(IGFBP-3) gene was regarded as candidate gene of partial milk traits in Chinese Holstein.
以胰岛素样生长因子结合蛋白3(IGFBP-3)基因作为中国荷斯坦牛部分泌乳性状的候选基因,在对61头中国荷斯坦牛进行PC R-R FLP分析的基础上,对中国荷斯坦牛群体中IGFBP-3基因座多态性与泌乳性状进行相关分析。
5) milk performance traits
泌乳性状
1.
Theκ-casein gene was studied in 600 China Holsteins and regarded as a candidate gene for milk performance traits of cows.
本文以600头中国荷斯坦奶牛为研究材料,以κ-CN基因为产奶性状的候选基因,采用DNA测序、PCR-RFLP和CRS-PCR技术,主要研究了κ-CN基因外显子4、外显子5和内含子4区基因序列的单核苷酸多态性与中国荷斯坦牛泌乳性状的关联性,以及第四和五外显子不同单倍型组合对泌乳性状的影响,为未来培育高乳蛋白及高乳脂率奶牛提供参考依据。
2.
Objective The polymorphisms of κ–casein gene exon 4 and 5 and their correlation to milk performance traits in Chinese Holstein cattle were investigated for the purpose of providing molecular maker information to facilitate the breeding efficiency of high milk protein and milk fat.
【目的】研究中国荷斯坦牛κ-酪蛋白基因第4和第5外显子多态性与泌乳性状的关联性,为培育高乳蛋白及高乳脂率奶牛提供参考依据。
补充资料：泌乳激素释放因子
泌乳激素释放因子
即"催乳素释放因子"。其功能是促进催乳素的分泌。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条