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nutrition and heat stress
how the nutrition affect heat stress occurance and management?
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10 Replies
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Nutrition plays a crucial and multifaceted role in managing and mitigating the effect of heat stress.
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Balanced electrolytes, antioxidants, and low-heat increment diets play a key role in minimizing heat stress and maintaining broiler performance.
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Useful
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During heat stress feed also plays important role with respect to its management.
Feed must be given with higher concentration of nutrients in a dense form.
Feed should also have adequate quantities of calcium, vitamins and minerals as there is a lot of electrolytes imbalance.
Use of anti stressors.
Use of antioxidants.
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heat stress mitigation through nutritional intervention needs to be explored more at molecular, cellular and organism levels in ruminants to improve welfare, comfort and productivity and to reduce losses. The future prediction of global warming creates the need to pay more attention to explore and provide alternative sustainable nutritional solutions for heat stress mitigation.
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Supplementation of vitamins, minerals, fatty acids, yeasts, products of microbial origin, probiotics and plant extracts helps in regulating the internal heat production level.
The nutritional interventions bring changes in cellular response in terms of heat shock proteins, favoring suitable microbiota in the rumen.
The nutritional interventions improve the physiological condition in ruminants including respiration rate, lowering body temperature and reducing the need for sweating.
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Heat stress is the most expensive factor in livestock rearing in terms of losses . The three more consistent factors predisposing animals to heat stress irrespective of production level include increasing global temperature, frequent heat waves and relocating animals to unfamiliar tropical environments, yet one more factor, extended weather extremes also increase the possibility of occurrence of heat stress. The heat stress affects not only the production and reproduction but also the product quality.
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Educative
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Nutrition significantly affects heat stress by influencing an animal’s ability to regulate body temperature and its overall physiological resilience. Key nutritional strategies include increasing energy and essential nutrient (like protein and minerals) density in diets to compensate for reduced intake, supplementation of vitamins (especially antioxidants like C and E) and minerals to support cellular function, and the use of feed additives like betaine and yeast to maintain hydration and cellular integrity. Adequate water intake is crucial for thermoregulation, and dietary adjustments can also improve the rumen microbiome and promote beneficial metabolic shifts to better cope with heat stress.
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