Effects of Cordyceps Fungus Feed Additives on Performance and Intestinal Integrity of Dairy Cows

  • WANG Yiqun ,
  • LI Gan ,
  • GUO Jiangpeng ,
  • WEN Fuyong ,
  • WANG Zhanbin ,
  • GU Xianhong
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  • 1. College of Animal Science and Technology, Henan University of Science and Technology, Luoyang 471003, China;
    2. Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing 100193, China;
    3. Beijing General Station of Animal Husbandry(South Side), Beijing 100101, China;
    4. Animal Disease Prevention and Control Center of Miyun District, Beijing 101500, China

Received date: 2019-04-09

  Online published: 2019-10-17

Abstract

This experiment was aimed to investigate the effects of cordyceps fungus feed additives on performance and intestinal integrity of dairy cows. One hundred and eighty Holstein dairy cows in mid-lactation with similar parities and days of lactation were randomly allocated to 2 groups with 90 cows in each group. Cows in the control group were fed a basal diet, and the others in trial group were fed the basal diet+30 g/(d·head) cordyceps fungus feed additives. The experiment lasted for 70 days. The results showed as follows:1) the means of milk yield, milk fat rate, milk protein rate and milk total solids content of trial group were increased by 0.83%, 2.61%, 1.68% and 2.01% compared with the control group (P>0.05), and the means of lactose rate and non-fat solids content of trial group were significantly higher than those of the control group (P<0.05). 2) The mean of milk somatic cell count of trial group was significantly higher than that of the control group (P<0.05). 3) At day 70 of the trial, the plasma D-lactic acid content was significantly lower than that at day 1 and day 42 (P<0.05). 4) The apparent digestibility of dry matter, crude protein, crude fat, neutral detergent fiber and acid detergent fiber of trial group had no significant difference with the control group (P>0.05). In conclusion, dietary added cordyceps fungus feed additives can significantly improve the lactose rate and non-fat solids content, significantly decrease the milk somatic cell count, improve the milk quality and intestinal integrity of dairy cows.

Cite this article

WANG Yiqun , LI Gan , GUO Jiangpeng , WEN Fuyong , WANG Zhanbin , GU Xianhong . Effects of Cordyceps Fungus Feed Additives on Performance and Intestinal Integrity of Dairy Cows[J]. Chinese Journal of Animal Nutrition, 2019 , 31(10) : 4737 -4745 . DOI: 10.3969/j.issn.1006-267x.2019.10.039

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