红外热像仪监测昼夜节律、品种、泌乳阶段、产奶量和产次对泌乳奶牛体乳表面温度的影响

IF 1.3 4区农林科学 Q3 AGRICULTURE, DAIRY & ANIMAL SCIENCE

Journal of Applied Animal Research Pub Date : 2023-05-15 DOI:10.1080/09712119.2023.2212734

Sathiyabarathi Mayilsamy, Jeyakumar Sakthivel, Manimaran Ayyasamy, H. Pushpadass, Sivaram Muniyandi, K. Ramesha

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Influence of circadian rhythm, breed, stage of lactation, milk yield and parity on body and udder skin surface temperature of lactating cows monitored by infrared thermography

ABSTRACT The objective of the study was to establish baseline thermographic information on body and udder skin surface temperature (USST) of lactating cows in different stages of lactation, milk yield, parity, breed and season. Holstein Friesian crossbred (n = 19 cows) and Deoni lactating cows (n = 14 cows) were monitored for body (i.e. eye) and USST prior to milking using a forward looking infra-red (FLIR) camera. It was observed that the mean body and USST of both crossbred and Deoni cows did not differ significantly. The body and USST of both the breeds were significantly higher by 0.9–1.0°C during evening than morning milking. There was no difference in body and USST between days and between udder quarters. Similarly, stage of lactation, milk yield and parity did not show any influence over body and USST. The body and USST were higher in summer (1.1°C) than in spring and winter seasons. Deoni cows had 1.0°C lesser body and USST than crossbred cows. It is concluded that baseline thermographic information on body and USST would be useful in developing breed-specific thermographic signature for individual animal.

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来源期刊

Journal of Applied Animal Research 农林科学-奶制品与动物科学

CiteScore

2.70

自引率

0.00%

发文量

审稿时长

6 months

期刊介绍： Journal of Applied Animal Research (JAAR) is an international open access journal. JAAR publishes articles related to animal production and fundamental aspects of genetics, nutrition, physiology, reproduction, immunology, pathology and animal products. Papers on cows and dairy cattle, small ruminants, horses, pigs and companion animals are very welcome, as well as research involving other farm animals, aquatic and wildlife species. In addition, manuscripts involving research in other species that is directly related to animal production will be considered for publication.