The interrelationship between macrominerals and heat stress in ruminants: current perspectives and future directions - a review.

IF 1.8 3区农林科学 Q2 VETERINARY SCIENCES Veterinary Research Communications Pub Date : 2024-11-22 DOI:10.1007/s11259-024-10597-5

Emad M Samara, Mohammed A Al-Badwi, Khalid A Abdoun, Mutassim M Abdelrahman, Aly B Okab, Majdi A Bahadi, Ahmed A Al-Haidary

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Abstract

Macromineral imbalances in ruminants, particularly in tropical and subtropical regions, pose a significant challenge to production sustainability and profitability. Heat stress exacerbates these imbalances, negatively impacting physiological functions and productivity. This review examines the effects of heat stress on macromineral levels in ruminants and the need for supplementation under such conditions. Heat stress lowers key macrominerals (Na+, K+, Cl-, Ca + 2, Mg + 2, inorganic P) and disrupts acid-base balance due to thermoregulatory responses and reduced feed intake. Supplementing macrominerals to the diet to achieve higher dietary cation-anion difference helps mitigate heat-related morbidity and maintains ruminant health and productivity. A more practical approach, such as sustained-release macromineral boluses in the rumen, is proposed to provide more consistent benefits. Further researches are warranted to optimize supplementation strategies and fully understand macromineral nutrition for heat-stressed ruminants.

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反刍动物体内大分子矿物质与热应激之间的相互关系：当前视角与未来方向--综述。

反刍动物体内的大矿物质失衡，尤其是在热带和亚热带地区，对生产的可持续性和盈利能力构成了重大挑战。热应激会加剧这些失衡，对生理功能和生产率产生负面影响。本综述探讨了热应激对反刍动物体内大矿物质水平的影响，以及在这种情况下补充大矿物质的必要性。热应激会降低主要大矿物质（Na+、K+、Cl-、Ca + 2、Mg + 2、无机磷）的含量，并因体温调节反应和采食量减少而破坏酸碱平衡。在日粮中补充大矿物质以达到较高的日粮阳离子-阴离子差，有助于减轻与热有关的发病率，并保持反刍动物的健康和生产力。建议采用更实用的方法，如在瘤胃中持续释放大矿物质栓剂，以提供更稳定的益处。为了优化补充策略并充分了解热应激反刍动物的大矿物质营养，有必要开展进一步的研究。

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来源期刊

Veterinary Research Communications 农林科学-兽医学

CiteScore

2.50

自引率

0.00%

发文量

173

审稿时长

3 months

期刊介绍： Veterinary Research Communications publishes fully refereed research articles and topical reviews on all aspects of the veterinary sciences. Interdisciplinary articles are particularly encouraged, as are well argued reviews, even if they are somewhat controversial. The journal is an appropriate medium in which to publish new methods, newly described diseases and new pathological findings, as these are applied to animals. The material should be of international rather than local interest. As it deliberately seeks a wide coverage, Veterinary Research Communications provides its readers with a means of keeping abreast of current developments in the entire field of veterinary science.