Evaporative cooling in late gestation heat-stressed transition Murrah buffaloes improves milk production through hormone-metabolite interaction

IF 1 4区生物学 Q3 BIOLOGY

Biological Rhythm Research Pub Date : 2022-10-05 DOI:10.1080/09291016.2022.2129487

O. Aarif, A. Aggarwal, A. Sheikh

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引用次数: 0

Abstract

ABSTRACT Animals adapt to stress by hormone-metabolite interaction. This is necessary to protect animal health status and subsequent milk production. To investigate this, sixteen healthy late-gestation dry Murrah buffaloes were selected and divided into two groups of eight animals each. One group of buffaloes (Cooled/CL) was managed under fan and mist cooling system during dry period. Another group (Non-cooled/NCL) remained without the provision of cooling during dry period. After parturition, all the animals were managed under evaporative cooling. Milk yield was significantly (p<0.05) higher in CL (10.25±0.23 kg/day) relative to NCL (8.92±0.17 kg/day) buffaloes without any significant variation in milk composition. The average dry matter intake was significantly (p<0.05) higher in CL as compared to NCL group. The non-esterified fatty acids were significantly (p<0.05) higher in CL relative to NCL buffaloes. Significantly (p<0.05) higher glucose level was found on the day of calving in CL as compared to NCL buffaloes. The level of insulin was higher in NCL buffaloes as compared to CL buffaloes. The growth hormone was higher in CL relative to NCL buffaloes. Evaporative cooling in late gestation therefore proves to be a potential tool to alleviate the adverse effect of thermal stress thus affecting subsequent milk production.

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妊娠后期热应激过渡期Murrah水牛的蒸发冷却通过激素-代谢物相互作用提高产奶量

动物通过激素-代谢物相互作用适应应激。这对保护动物健康状况和随后的产奶量是必要的。为了研究这一点，我们选择了16头健康的妊娠后期干默拉水牛，并将其分为两组，每组8头。一组水牛(冷却/CL)在干燥期采用风扇和雾冷却系统进行管理。另一组(非冷却/NCL)在干燥期间没有提供冷却。分娩后，所有动物均进行蒸发冷却处理。CL水牛产奶量(10.25±0.23 kg/d)显著高于NCL水牛(8.92±0.17 kg/d) (p<0.05)，但乳成分无显著变化。CL组平均干物质采食量显著高于NCL组(p<0.05)。非酯化脂肪酸在CL水牛中显著高于NCL水牛(p<0.05)。产犊当天，CL组的血糖水平显著高于NCL组(p<0.05)。NCL水牛的胰岛素水平高于CL水牛。生长激素水平CL型水牛高于NCL型水牛。因此，妊娠后期的蒸发冷却被证明是一种潜在的工具，可以减轻热应激的不利影响，从而影响随后的产奶量。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Biological Rhythm Research 生物-生理学

CiteScore

3.00

自引率

9.10%

发文量

审稿时长

6-12 weeks

期刊介绍： The principal aim of Biological Rhythm Research is to cover any aspect of research into the broad topic of biological rhythms. The area covered can range from studies at the genetic or molecular level to those of behavioural or clinical topics. It can also include ultradian, circadian, infradian or annual rhythms. In this way, the Editorial Board tries to stimulate interdisciplinary rhythm research. Such an aim reflects not only the similarity of the methods used in different fields of chronobiology, but also the fact that many influences that exert controlling or masking effects are common. Amongst the controlling factors, attention is paid to the effects of climate change on living organisms. So, papers dealing with biometeorological aspects can also be submitted. The Journal publishes original scientific research papers, review papers, short notes on research in progress, book reviews and summaries of activities, symposia and congresses of national and international organizations dealing with rhythmic phenomena.