The Effect of Heat Stress on Milk Yield, Milk Fat Rate and Rectal Temperature in Holstein-Friesian Dairy Cattle

Mustafa Kibar; Galip Bakır; Ayhan Yılmaz

The Effect of Heat Stress on Milk Yield, Milk Fat Rate and Rectal Temperature in Holstein-Friesian Dairy Cattle

Abstract

Heat stress is an environmental factor that negatively affects the morphological and physiological properties of dairy cattle. The aim of this study is to investigate the relationship between heat stress and milk yield, milk fat ratio and body temperature in Holstein-Friesian dairy cattle. The data of the study was obtained from a private Kurtalan Farm of Siirt province, the Southeastern Anatolia Region of Turkey. Milk yield and other traits of 13 head Holstein-Friesian dairy cattle were recorded in March, April, May, June, July, August and September. In addition, temperature and humidity records were recorded in the farm and in the parlor to be used for calculating the temperature humidity index value. In the analysis of data, correlation and regression methods were used. As a result of the study, the negative correlation (P<0.01) was found between milk yield and milk fat ratio and the positive correlation (P<0.001) were detected between heat stress and body temperature. In addition, a significant negative relationship was observed between rectal temperature and milk yield (P<0.01).

Keywords

Details

Primary Language

English

Subjects

Zootechny (Other)

Journal Section

Research Article

Authors

Mustafa Kibar This is me
Türkiye

Galip Bakır This is me
Türkiye

Ayhan Yılmaz This is me
Türkiye

Publication Date

December 25, 2020

Submission Date

July 4, 2020

Acceptance Date

-

Published in Issue

Year 2020 Volume: 34 Number: 3

IZ

https://izlik.org/JA55XS26XY

Cite

RIS / Bibtex

APA

Kibar, M., Bakır, G., & Yılmaz, A. (2020). The Effect of Heat Stress on Milk Yield, Milk Fat Rate and Rectal Temperature in Holstein-Friesian Dairy Cattle. Selcuk Journal of Agriculture and Food Sciences, 34(3), 183-188. https://izlik.org/JA55XS26XY

AMA

1.Kibar M, Bakır G, Yılmaz A. The Effect of Heat Stress on Milk Yield, Milk Fat Rate and Rectal Temperature in Holstein-Friesian Dairy Cattle. Selcuk J Agr Food Sci. 2020;34(3):183-188. https://izlik.org/JA55XS26XY

Chicago

Kibar, Mustafa, Galip Bakır, and Ayhan Yılmaz. 2020. “The Effect of Heat Stress on Milk Yield, Milk Fat Rate and Rectal Temperature in Holstein-Friesian Dairy Cattle”. Selcuk Journal of Agriculture and Food Sciences 34 (3): 183-88. https://izlik.org/JA55XS26XY.

EndNote

Kibar M, Bakır G, Yılmaz A (December 1, 2020) The Effect of Heat Stress on Milk Yield, Milk Fat Rate and Rectal Temperature in Holstein-Friesian Dairy Cattle. Selcuk Journal of Agriculture and Food Sciences 34 3 183–188.

IEEE

[1]M. Kibar, G. Bakır, and A. Yılmaz, “The Effect of Heat Stress on Milk Yield, Milk Fat Rate and Rectal Temperature in Holstein-Friesian Dairy Cattle”, Selcuk J Agr Food Sci, vol. 34, no. 3, pp. 183–188, Dec. 2020, [Online]. Available: https://izlik.org/JA55XS26XY

ISNAD

Kibar, Mustafa - Bakır, Galip - Yılmaz, Ayhan. “The Effect of Heat Stress on Milk Yield, Milk Fat Rate and Rectal Temperature in Holstein-Friesian Dairy Cattle”. Selcuk Journal of Agriculture and Food Sciences 34/3 (December 1, 2020): 183-188. https://izlik.org/JA55XS26XY.

JAMA

1.Kibar M, Bakır G, Yılmaz A. The Effect of Heat Stress on Milk Yield, Milk Fat Rate and Rectal Temperature in Holstein-Friesian Dairy Cattle. Selcuk J Agr Food Sci. 2020;34:183–188.

MLA

Kibar, Mustafa, et al. “The Effect of Heat Stress on Milk Yield, Milk Fat Rate and Rectal Temperature in Holstein-Friesian Dairy Cattle”. Selcuk Journal of Agriculture and Food Sciences, vol. 34, no. 3, Dec. 2020, pp. 183-8, https://izlik.org/JA55XS26XY.

Vancouver

1.Mustafa Kibar, Galip Bakır, Ayhan Yılmaz. The Effect of Heat Stress on Milk Yield, Milk Fat Rate and Rectal Temperature in Holstein-Friesian Dairy Cattle. Selcuk J Agr Food Sci [Internet]. 2020 Dec. 1;34(3):183-8. Available from: https://izlik.org/JA55XS26XY