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Effects of Daidzein, Formononetin and Their Combination on Milk Performance, Plasma and Milk Hormone Contents of Dairy Cows

  • LI Cong ,
  • CHEN Junhong ,
  • LIU Yawei ,
  • TAN Shixin ,
  • YANG Kailun
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  • 1. Xinjiang Key Laboratory of Herbivore Nutrition for Meat & Milk Production, College of Animal Science and Technology, Xinjiang Agricultural University, Urumqi 830052, China;
    2. Xinjiang Tianshan Animal Husbandry Bio-Engineering Co., Ltd., Changji 831100, China

Received date: 2016-07-05

  Online published: 2017-01-16

Abstract

This experiment was conducted to investigate the effects of daidzein, formononetin and their combination on milk performance, plasma and milk hormone contents of dairy cows. Forty healthy Holstein cows with the same age and lactation stage were randomly divided into 4 groups, which were control group, trial groups Ⅰ, Ⅱ and Ⅲ, respectively, and each group had 10 cows. All cows were fed total mixed ration, and trial groups Ⅰ, Ⅱ and Ⅲ were supplemented 2.50 g dainzein, 35.0 g formononetin, and 1.25 g dainzein+17.5 g formononetin, respectively. The feeding experiment lasted for 127 d comprised a 7 d adaptation period and 120 d trial period. The results showed as follows:milk yield of trial groups Ⅰ, Ⅱ and Ⅲ was significantly higher than that of control group (P<0.05), and was increased by 30.40%, 27.77% and 28.37%, respectively; milk fat yield of trial groups was higher than that of control group, but the differences were not significant (P>0.05); milk protein percentage and yield of trial groups were higher than those of control group, and trial group Ⅲ was significantly higher than control group (P<0.05); milk urea nitrogen content of control group was significantly higher than that of trial group Ⅱ (P<0.05); plasma estrone of trial groups was lower than that of control group (P>0.05), but milk estrone of trial groups was higher than that of control group, but the differences were not significant (P>0.05); estrogen-17β (E2-17β) content in milk and plasma of trial groups were higher than that in control group, and there was a significant difference between trial group Ⅲ and control group (P<0.05); progesterone content in plasma and milk of trial group was higher than that of control group, there was a significant difference between trial group Ⅱ and control group in plasma (P<0.05), and there were significant differences between trial group Ⅰ, Ⅲ and control group in milk (P<0.05); follicle stimulating hormone (FSH) and luteinizing hormone (LH) contents in plasma were not significantly different among all groups (P>0.05); plasma prolactin (PRL) of all trial groups was higher than that of control group, and there was a significant difference between trial group Ⅱ and control group (P<0.05); milk equol content of trial groups was significantly higher than that of control group (P<0.05). Therefore, the supplementations of daidzein, formononetin and their combination can increase milk performance, improve milk quality, significantly increase milk equol content, and increase E2-17β and progesterone contents in milk and plasma.

Cite this article

LI Cong , CHEN Junhong , LIU Yawei , TAN Shixin , YANG Kailun . Effects of Daidzein, Formononetin and Their Combination on Milk Performance, Plasma and Milk Hormone Contents of Dairy Cows[J]. Chinese Journal of Animal Nutrition, 2017 , 29(1) : 309 -316 . DOI: 10.3969/j.issn.1006-267x.2017.01.035

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