Summer is the most dramatic and complex weather change in a year. Rainfall is concentrated in most parts of China during this time. According to the climate characteristics of the summer, the following “nine measures†should be implemented for safe and efficient chicken farming in the summer.
Reduce chicken house temperature
Chickens do not have sweat glands. The heat generated in the body can only be lost by breathing, and its ability to adapt to high temperatures is poor. When the temperature exceeds 25°C, a curtain can be installed at the air inlet to allow the hot air to cool before entering the house. This method can reduce the temperature from 4°C to 5°C, and maintain the cooling time from 6 hours to 8 hours. When the temperature exceeds 30°C, the spray nozzle can be used to spray cool water directly to the roof or the chicken body. Spraying for 2 hours to 3 hours will reduce the temperature of the house by 6°C-8°C.
Reduce feed energy value
Tests have shown that when the temperature is above 25°C, the feed intake of broiler chickens decreases by 1.6% for every 1°C increase in the house, and the energy level should be appropriately reduced to increase the protein level by 10%-15%. Plant protein can be used instead of animal protein feed. Reduce the greasy taste of chickens and increase the multidimensional factor in the diet by 2 times. At the same time, granular feeds can be exchanged to increase palatability, increase feed intake, and increase total nutrient intake of broilers. During the hot season, it is best to feed at night. From 10 pm to 6 am the next morning is the coolest time for broilers to feed. The method is: appropriate increase in the brightness of the house, increase the excitability of broilers, feeding 4 times -5 times in the night, and to keep the appetite by measures such as vibrating the drum to drive the flock. In addition, dry and unpolluted river sand can be used as a litter in summer to facilitate heat dissipation in broiler sand baths and chicken bodies, and to enable broilers to consume sand grains, which is beneficial to food digestion.
Reduce feeding density
The suitable density of broilers for summer broilers: 30-25 eggs per square meter from 7 days to 14 days; 25 eggs from 21 days to 28 days; and 15 eggs from 35 days to 10 eggs. It is advisable to use 300 animals per group. Flocks and groups are separated by fences to facilitate the circulation of air inside and outside.
Ensure adequate supply of drinking water
Summer temperatures are high, broiler's respiration is quickened, and the body's water evaporation is large, and its drinking water is obviously increased. Therefore, set enough sinks to ensure that each bird can drink enough water.
Add a certain amount of green and juicy feed
Juicy green feed is rich in nutrition, good palatability, can promote the appetite of broilers, help digestion, both thirst-quenching and cooling, is conducive to rest in broilers.
Keep the house well ventilated
Because of the high temperatures in summer, the respiratory rate of chickens increases, and the concentration of carbon dioxide and harmful gases in the air increases. Therefore, to ensure that broilers have sufficient oxygen, they must be ventilated. Ventilation of doors and windows should always be opened. Conditional fans can be installed.
prevent disease
High temperatures can reduce the resistance of broilers and cause coccidiosis, staphylococcal disease, etc. Therefore, in addition to supplementing the feed with antibiotics, the poultry house must be sterilized. Disinfectant should be selected with a broad spectrum of high efficiency, non-toxic side effects, adhesive disinfectants, such as 100 poisoning, germ net, sodium hypochlorite, etc., spraying at 15 ml per square meter, spraying should be 50 cm -80 cm from the flock . In normal conditions, it is once or twice a week, and every morning and afternoon on a hot day, the concentration of the drug is reduced by 30%-50%.
Pay attention to keep the coop and the stadium dry
The optimum relative humidity for broilers is 50%-70%. When the relative humidity is higher than 70%, the feathers are contaminated and contaminated, and arthritis can also be increased. In particular, a high temperature and high humidity environment makes it easy for microorganisms to reproduce and induce the occurrence and spread of diseases. Therefore, the pits of the playground should be filled to keep the drainage clear, and the weather is rainy and cloudy. In particular, the hen house should be kept dry to prevent the growth of mold.
Prevents mosquitoes and flies from attacking chickens
In the summer, there are many mosquitoes and mosquitoes. In addition to paying attention to the health of the chicken house and sports ground, the weeds around the chicken house have to be cleansed, the sewage pits must be filled, the screens must be nailed, and the mosquitoes and flies must be sprayed regularly to ensure Broilers have a peaceful environment.
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