Reduce egg heat stress skills

Heat stress is a series of abnormal reactions caused by the physiological function disorder of egg-birds in the high-temperature environment in summer, which is characterized by rapid decline in production performance, and even a large number of shocks and deaths. How to take effective measures in the summer to reduce the heat stress factors and improve the ability to resist heat stress is particularly important for professional households that raise cages and raise egg-raising poultry. Now I will introduce the following measures for preventing heat stress in my practice for many years, for reference.

Poultry houses are generally constructed with east-west and south-facing buildings. The surrounding roofs should be over 1m above the wall to avoid direct sunlight on the poultry. The building roofs and outer walls can be used for building materials with good insulation properties, and try to use white paint. Or white gray water painted white to increase the house's reflection of sunlight. In addition, there are conditions to be added under the roof, foam, plywood and other insulation to reduce the heat conduction to the poultry house.

Smooth ventilation On the one hand, the wall height of the poultry house should be kept above 3 meters and the span should be controlled within 9 meters. On the other hand, the poultry house should be opened with as many ventilation windows as possible, and should be evenly distributed to ensure smooth and uniform ventilation. It is advisable that the conditional poultry house adopts an open structure with a woven or plastic film as a curtain, and puts down the curtain when it is raining and direct sunlight.

Greening shady planted shrubs around shady houses to keep the houses open and conducive to ventilation, but some fast-growing trees and vines such as pumpkins, lentils, grapes, etc. can be planted nearby, which not only beautifies the environment, but also Reduce the radiation of sunlight.

Adequate supply of drinking water and high quality drinking water are important measures to improve the heat stress resistance of poultry. When the temperature rises, it is necessary to increase the number of drinking fountains to ensure adequate and hygienic drinking water. At the same time, consideration should be given to the configuration of reservoirs and water pipes. External storage tanks should be placed under shade, and water pipes should be buried underground.

Adjust the time to feed during the daytime for early morning and late evening when feeding, preferably using pellets.

To reduce the density, for example, reduce the rearing density from about 15 per square meter to about 10, and cut the feathers on the chest, belly, inside of the thigh, and under the wings. This will reduce the total amount of heat generated in the home and in the body. mitigate the adverse effects of heat stress.

Environmental Hygiene Keep the poultry house dry and clean, avoid moisture, make the whole flocks in good health, improve their adaptability to high temperatures and their ability to resist heat stress.

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