Protected fat supplementation and energy metabolism in cows during early lactation

被引:0
作者
Duque Quintero, Monica [1 ,2 ]
Olivera, Martha [1 ]
Rosero Noguera, Ricardo [2 ]
机构
[1] Univ Antioquia, Fac Ciencias Agr, Grp Invest Biogenesis, Medellin, Colombia
[2] Univ Antioquia, Grp Invest GRICA, Grp Invest Biogenesis, Medellin, Colombia
关键词
energy balance; NEFAS; partition of energy; GRAZING DAIRY-COWS; TRANSITION PERIOD; CALCIUM SALTS; MILK; ACIDS; PREGNANCY; PERFORMANCE; DISORDERS; KETOSIS; RATIONS;
D O I
暂无
中图分类号
S8 [畜牧、 动物医学、狩猎、蚕、蜂];
学科分类号
0905 ;
摘要
Milk synthesis in the mammary gland depends on the influx of adequate amounts and proportions of nutrients. During early lactation cows have to coordinate their metabolism to cope with a huge demand for nutrients, particularly glucose production in the liver. Furthermore, an excessive mobilization of non sterified fatty acids (NSFAs) from the adipose tissue occurs during early lactation, representing a significant challenge to liver function. Understanding the complexity of energy metabolism during early lactation is critical for identifying parameters associated with dairy efficiency. Therefore, important research projects are being conducted, exploring the use of rumen protected fats to improve reproductive efficiency of the cow, milk yield, and also milk quality. Modifying the lipid profile of milk and dairy products, could contribute to healthier dietary alternatives for human consumption.
引用
收藏
页码:74 / 82
页数:9
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