温度对阿瓦西羊和杂交羊生理特征的影响

IF 1.8 Q2 AGRICULTURE, DAIRY & ANIMAL SCIENCE

Journal of Animal Behaviour and Biometeorology Pub Date : 2023-11-20 DOI:10.31893/jabb.23031

O. Saeed, R. T. Abdulghafoor, S. Al-Salmany, Faris Mahmoud Ali, A. Samsudin, Elham Khalifa Mahmood

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引用次数: 0

摘要

本研究旨在分析阿瓦西羊和杂交羊的血液学、生物化学和生理特征与气候温度的相关性。研究使用了 250 只成年阿瓦西羊和杂交绵羊（Arabi x Hamadani）。每周记录三次生命体征，包括心率（HR）、呼吸频率（RR）、直肠温度（RT）和皮肤温度（ST），每个品种记录十次。评估耐热指数（HT）和耐热系数（HTC）。采用 SAS 进行分析，包括方差分析和相关分析。在夏季低应激条件下，阿瓦西牛的RR明显高于杂交牛（P < 0.01）。阿瓦西羊的 HR 明显低于杂交羊，而杂交羊在夏季的 HR 值最高。阿瓦西羊和杂交羊的 RT、HT 和 HTC 没有明显差异。在冬季较低的温度下，阿瓦西羊的 MCH、MCV 和 RDW 大幅增加。在夏季，阿瓦西羊的肝酶和甘油三酯水平显著下降，而白蛋白水平上升。HT和HTC与RR呈负相关。因此，可以得出结论：阿瓦西品种同样适应该地区的炎热和干旱气候。

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Effect of temperature on the physiological characteristics of Awassi and crossbred sheep

This research was carried out to analyze the hematological, biochemical and physiological characteristics correlated with climate temperature in Awassi and crossbred sheep. Two hundred fifty adult Awassi and crossbred sheep (Arabi x Hamadani) were used. Three times weekly, ten times for each breed, vital signs, including heart rate (HR), respiratory rate (RR), rectal temperature (RT), and skin temperature (ST), were recorded. The heat tolerance indices (HT) and the heat tolerance coefficient (HTC) were evaluated. SAS was used to conduct the analyses, which included variance and correlation analyses. Awassi had a significantly higher (P < 0.01) RR than crossbred in the summer under low stress conditions. Awassi HR was significantly lower than that of crossbred sheep, which recorded the highest value in summer. There were no significant differences in RT, HT and HTC between Awassi and crossbred sheep. MCH, MCV, and RDW increased substantially in Awassi sheep exposed to colder winter temperatures. In summer, Awassi's liver enzyme and triglyceride levels significantly decreased, while albumin levels increased. Both HT and HTC had negative correlations with RR. Therefore, it can be concluded that the Awassi breed is equally adapted to the region's hot and arid climate.

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来源期刊

Journal of Animal Behaviour and Biometeorology Environmental Science-Ecology

CiteScore

4.00

自引率

9.50%

发文量

期刊介绍： The Journal of Animal Behaviour and Biometeorology (ISSN 2318-1265) is the official journal of the Center for Applied Animal Biometeorology (Brazil) currently published by Malque Publishing. Our journal is published quarterly, where the published articles are inserted into areas of animal behaviour, animal biometeorology, animal welfare, and ambience: farm animals (mammals, birds, fish, and bees), wildlife (mammals, birds, fish, reptiles, and amphibians), pets, animals in zoos and invertebrate animals. The publication is exclusively digital and articles are freely available to the international community. Manuscript submission implies that the data are unpublished and have not been submitted for publication in other journals. JABB publishes original articles in the form of Original Articles, Short Communications, and Reviews. Original Articles arising from research work should be well grounded in theory and execution should follow the scientific methodology and justification for its objectives; Short Communications should provide sufficient results for a publication in accordance with the Research Article; Reviews should involve the relevant scientific literature on the subject. JABB publishes articles in English only. All articles should be written strictly adopting all the rules of spelling and grammar.