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Heat Stress Mitigation
Heat stress has significant impact on birds, its mitigation is crucial to ensure healthy birds.
Make sure you observe your birds performance to avoid sudden death due to heat stress and follow the protocols of mitigation
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Constantly changing and checking their drinking water.
Their must be cross ventilation
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To mitigate heat stress in birds, it is essential to monitor their behavior and performance closely, looking for signs of distress such as panting or reduced feed intake. Implement cooling strategies such as proper ventilation, shade, and access to clean water to help regulate their body temperature. Additionally, adjust feeding schedules to cooler parts of the day and consider providing electrolytes or special diets formulated to support birds under heat stress.
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Change dietary composition, increase energy concentration, reduce protein, improve ventilation system, provide water with antioxidants.
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Please also refer to: Heat Stress In Poultry – Solving The Problem
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Is there any breeding approach to develop heat stress tolerant birds
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21st century birds cannot withstand current heatwave due to their genetic makeup.
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MITIGATING HEAT STRESS IN POULTRY
The following should be considered as general information; however, you should always seek professional advice, specific to your individual circumstances.
During the Asia Basic Poultry Production Cohort #6 weekly check-in (4 April 2025) we discussed strategies to mitigate heat stress in poultry induing:
Feed Timing – providing feed during cooler parts of the day (early morning or late evening) reduces metabolic heat production during peak temperatures. This strategy will likely increase FCR, but will reduce mortalities.
Dietary Fat Supplementation – adding fat to the diet reduces heat increment during digestion. However, in practice, reformulating diets to include more fat often involves incorporating by-products that are high in fiber. This can lead to increased heat production due to fermentation in the gut, potentially offsetting the initial benefits of fat supplementation.
Electrolytes And Vitamins – supplementing feed with electrolytes and vitamins (e.g., C and E) helps maintain electrolyte balance and reduces oxidative stress caused by high temperatures.
Respiratory alkalosis, often caused by panting during heat stress, can lead to a decrease in blood carbon dioxide levels. Supplementing with sodium bicarbonate (2kg/tonne) can help stabilize blood pH by increasing bicarbonate levels, thus mitigating alkalosis.
Cool, Clean Water – provide constant access to cool water to prevent dehydration. Increasing drinker availability can encourage water, and hence feed intake during heat stress.
Stocking Density – reducing stocking density decreases metabolic heat production and improves ventilation around birds, alleviating heat stress.
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Improved housing, ventilation and cooling systems.
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Heat stress poses a serious threat to bird health and productivity, necessitating mitigation strategies like improved housing, ventilation, cooling systems, and dietary adjustments to ensure healthy and productive birds.
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