RESEARCHPAPER

Effects of Acremonium terricola Culture on Lactation Performance, Serum Biochemical and Antioxidant Indexes and Milk Fatty Acids Composition of Dairy Cows

  • JI Zhongyuan ,
  • WU Tao ,
  • ZHU Honglong ,
  • QI Yunxia ,
  • YANG Yongxin ,
  • HAN Rongwei ,
  • CHENG Guanglong ,
  • ZHAO Xiaowei
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  • 1. Anhui Key Laboratory of Livestock and Poultry Product Safety Engineering, Institute of Animal Husbandry and Veterinary Medicine, Anhui Academy of Agricultural Sciences, Hefei 230031, China;
    2. College of Food Science and Engineering, Qingdao Agricultural University, Qingdao 266109, China

Received date: 2021-11-21

  Online published: 2022-06-14

Abstract

This experiment was conducted to investigate the effect of Acremonium terricola culture on lactation performance, serum biochemical and antioxidant indexes and milk fatty acids composition of dairy cows. Thirty-six Chinese Holstein dairy cows with similar lactation days, parity and milk yield were randomly assigned to three groups according to a completely randomized block design, each group contained dairy 12 cows. Cows in the control group were fed a basal diet, and others in experimental groups were fed the basal diet supplemented with 30 and 60 g/(d·head) Acremonium terricola culture, respectively. Experimental duration was 8 weeks, included 1 week pre feeding period and 7 weeks formal experimental period. The results showed as follows:1) dietary supplemented with Acremonium terricola culture had no significant effects on milk yield and milk component of dairy cows (P>0.05). 2) Compared with the control group, at week 4 of the experiment, dietary supplemented with 30 g/(d·head) Acremonium terricola culture significantly increased the serum total antioxidant capacity (T-AOC) (P<0.05), and had no significant effects on other serum indexes (P>0.05); at week 8 of the experiment, dietary supplemented with 30 g/(d·head) Acremonium terricola culture significantly increased the serum T-AOC (P<0.05), significantly decreased the serum malondialdehyde (MDA) content (P=0.05), and had no significant effects on other serum indexes (P>0.05). 3) Compared with the control group, at week 8 of the experiment, dietary supplemented with 30 and 60 g/(d·head) Acremonium terricola culture significantly decreased the milk C16:0 content (P<0.05), and had a tendency to decrease the milk C14:1 content (P=0.09), and had no significant effects on contents of other fatty acids in milk (P>0.05); Furthermore, dietary supplemented with 30 g/(d·head) Acremonium terricola culture had a tendency to decrease the content of C ≤ 16 fatty acid and had a tendency to increase the content of C>16 fatty acid in milk (P=0.08). In conclusion, dietary supplemented with Acremonium terricola culture has no significant effects on milk yield and milk component of dairy cows, but can increase the antioxidant capacity, and improve the milk fatty acids composition and the health condition of dairy cows. Under the condition of this experiment, the dietary optimum supplemental level of Acremonium terricola culture of dairy cows is 30 g/(d·head).

Cite this article

JI Zhongyuan , WU Tao , ZHU Honglong , QI Yunxia , YANG Yongxin , HAN Rongwei , CHENG Guanglong , ZHAO Xiaowei . Effects of Acremonium terricola Culture on Lactation Performance, Serum Biochemical and Antioxidant Indexes and Milk Fatty Acids Composition of Dairy Cows[J]. Chinese Journal of Animal Nutrition, 2022 , 34(6) : 3657 -3665 . DOI: 10.3969/j.issn.1006-267x.2022.06.027

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