Nutritional regulation of broilers

Poultry is thick and has no sweat glands and is extremely susceptible to high temperatures. With the increase of temperature, the feed intake of chickens decreased, and a series of physiological indicators were affected, which led to the reduction of the broiler production level and the increase of mortality. In the past two years, due to the hot climate, the heat stress phenomenon is more common and the losses caused by it are even greater. During the hot season, proper adjustment should be made from the nutritional level to reduce the loss of heat stress. First, adjust the diet formula and limit feed in the diet formula so that the protein content falls below the standard requirement. Because when you digest protein, there is more heat than sugar and fat. When the ambient temperature is too high, the number of feedings can be appropriately reduced. The general practice is to stop feeding once during the hottest day, try to use the early morning or nightly feeding, try to use early morning or night feeding to reduce the body temperature and increase the feed Utilization rate. Second, adjust the body's acid-base balance in hot season, the chicken body to accelerate breathing to expel excess body heat, resulting in a large number of carbon dioxide excretion, the body acid-base balance is destroyed, so that blood ph value increased, severe hypokalemia, respiratory Poor sexual poisoning. Solution: You can add 0.15% or 0.3% potassium chloride, or 0.25% citric acid, or 0.5% to 1% calcium chloride or 0.25% potassium chloride to your diet. Third, raise the level of vitamins When broilers are under heat stress, increase the level of vitamins in the diet and help the broilers get through the heat. Commonly used heat stress vitamins are vc, add 200 mg vc per litre of drinking water. Increasing the amount of vc in the diet can also increase the heat stress resistance of broilers. Fourth, when sedatives and antibiotics are added for heat stress, in order to reduce unnecessary activity and energy consumption of muscles, sedative drugs are often used to suppress central nervous system and body muscles to reduce the effects of heat stress. The addition of antibiotics to beverages can prevent and treat diseases, increase daily weight gain, improve feed conversion, and increase gastrointestinal absorption. Fifth, other methods to ensure that broilers drink cool fresh water, feeding roots, tubers, melons and other cool feed can also reduce heat stress.

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