Molecular Nutrition

Effects of Three Different Types of Light Music on Lactation Performance and Energy Metabolism Indicators of Dairy Cows

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  • 1. College of Animal Science, Xinjiang Agricultural University, Urumqi 830052, China;
    2. Bayandai Farm of Xinjiang Yili Zhongzhou Co., Yining 835000, China;
    3. The Xinjiang Key Laboratory of Meat and Milk Production Herbivore Nutrition, Urumqi 830052, China

Received date: 2016-11-04

  Online published: 2017-05-13

Abstract

The aim of this trial was to discuss the effects of three different types of light music on lactation performance and energy metabolism indicators of dairy cows. Sixty-four Holstein lactating cows with similar milk yield, age, parity and lactation period were enrolled and randomly divided into four groups, i.e. control group, light music group A (piano light music Liangzhu at speed of 60 bmp and with mellow tone), light music group B (violin light music regulating lactating cows' emotion at speed of 70 bmp and with bright tone) and light music group C (piano light music regulating lactating cows' lactating performance at speed of 60 bmp and with mellow tone), with 16 cows in each group. Music was played before 3 milking times one day of morning, afternoon and evening in the three light music groups with each time of 2 hours, and no music was played in the control group. The preliminary trial period was 7 days, and the trial period was 60 days. Milk yield was measured every 20 days, and blood and milk samples were collected. The results showed as followed: 1) at 20 and 40 d and 1 to 60 d, the intakes of dry matter, organic matter, neutral detergent fiber, acid detergent fiber, crude protein, ether extract in light music group A, light music B and light music group C were higher than those in control group. 2) At 1 to 60 d, milk yield and 4% fat corrected milk yield in light music group C was significantly higher than those in control group (P<0.05 or P<0.01). 3) At 1 to 60 d, blood activities of glutamic-oxal(o)acetic transaminase and alanine transaminase in light music group B and light music C were significantly lower than those in control group (P<0.05), and blood activities of glutamic pyruvic and lactate dehydrogenase in light music group C were significantly higher than those in control group (P<0.05). 4) At 40 and 60 d, blood triglyceride content in light music group C was significantly higher than that in control group (P<0.05); at 1 to 60 d, blood glucose content in light music group C was significantly higher than that in control group (P<0.05); during the whole experiment period, blood non-esterified fatty acid content in light music group A, light music group B and light music group C was lower than that in control group, but the difference was not significant (P>0.05). In conclusion, three kinds of light music all have the tendency of improving nutrient intakes of dairy cows, stimulating lactation and improving energy metabolism indicators of dairy cows; light music at speed of 70 bmp is more favorable than that at speed of 60 bmp to improve lactation performance of dairy cows; compared the bright light music, dairy cows have higher sensitivity to mellow light music, and mellow light music is better in improving lactation performance of dairy cows.

Cite this article

LIU Jiajia, XU Chang, LI Cui, ZHANG Baogang, WANG Zhuodong, WANG Chengcheng, YU Xiong . Effects of Three Different Types of Light Music on Lactation Performance and Energy Metabolism Indicators of Dairy Cows[J]. Chinese Journal of Animal Nutrition, 2017 , 29(5) : 1704 -1715 . DOI: 10.3969/j.issn.1006-267x.2017.05.030

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