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Synthesis of Cis-9, trans-11 CLA Is Inhibited in Mammary Gland of Dairy GoatsFed High Concentrate Diet

机译:CIS-9的合成,Trans-11 Cla抑制乳制品牛奶饲料高浓缩饮食的乳腺

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Introduction High concentrate diet mightincreasemilk yield of dairy cows in short time,however,it could affect health status and decreasemilk quality of dairy cows.Subacute ruminal acidosis(SARA),a metabolic disorder,caused by highconcentrate and lowcrude fiber diet,characterized by episodes of low rumen pH,wihich was definded threshold pH as 6.0 (Bauer et al.,1995),is a common problem in high yielding dairy ruminant (Garret et al.,1997).The type and proportion of fatty acids in milk have significantinfluence on human health maintenance and disease prevention.Stearoyl coenzyme-A desaturase (SCD) catalyses the introduction of a cis-double bond between carbons 9 and 10 of fatty acids with a chain length of 10-18 carbons,and 90% ofcis-9,trans-11 conjugated linoleic acid (CLA) formed in milk due to the precusor,tran-11 vaccenicacid,and the activity of SCD(Keat et al.,2005).
机译:简介高浓缩饮食MORINCREASEMILK在短时间内奶牛的产量,然而,它可能影响乳制品奶牛的健康状况和减少质量。令人讨厌的瘤胃酸中毒(SARA),代谢紊乱,由高档浓度和低纤维饮食引起的,其特征在于低瘤胃pH值,将阈值pH定义为6.0(Bauer等,1995),是高产乳制品反刍动物的常见问题(Garret等,1997)。牛奶中脂肪酸的类型和比例有显着的含量人体健康维护和疾病预防.searoyl辅酶-A去饱和酶(SCD)催化在碳碳酸9和10之间引入CIS-双键,链长度为10-18个碳,90%的CIS-9,TRANS引起的牛奶中的-11缀合的亚油酸(CLA)由于前导,TRAN-11疫苗酸和SCD的活性(Keat等,2005)。

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