Summer Broiler Breeding "Three Downs, Three Guarantees and Three Preventions"

When it comes to summer, the first thing people think of is heat. Summer is the period with the highest temperature in a year. This includes both the dry heat in the inland region and the hot and humid heat in the coastal areas. But the weather in summer is by no means summed up with a hot word. Summer is the most dramatic and complex weather change in a year. Rainfall is concentrated in most parts of China during this time. Especially in late July and early August, it is often the period of heavy rain and heavy rain. According to the climate characteristics of the summer, the safe and efficient chicken breeding in the summer is to achieve "three reductions, three guarantees, and three defenses."

Do a good job of "three down"

Cooling

That is, lower the temperature of the house. 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 by 4°C~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 cold water directly to the roof or the chicken body. 2 hours to 3 hours to spray once, the chicken house temperature can be reduced by 6 °C ~ 8 °C.

Reduce energy

That is, reducing the feed energy value. Tests have shown that, at temperatures above 25°C, feed intake per broiler is reduced by 1.6% for every 1°C increase in the house, and energy levels should be appropriately reduced to increase protein levels by 10% to 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 to 5 times at night, and to maintain a strong appetite by vibrating drums to drive chickens and other measures. 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 eat sand grains, which is beneficial to food digestion.

Drop density

That is, reducing the stocking density. The suitable density of broiler chickens in summer is as follows: from 7 to 14 days of age, 30 to 25 animals per square meter; 25 to 15 animals from 21 to 28 days of age; and 10 to 5 animals from 35 days of age to slaughter. 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.

Do a good job of "three guarantees"

Water retention

That is, to 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. In addition, keep drinking water clean and hygienic.

Bao Qing

That is guaranteed to feed 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 ventilation

That is, the house is well ventilated. Due to the high temperatures in the summer and the increased respiratory rate, the concentration of carbon dioxide and harmful gases in the air increases. Therefore, to ensure that the broilers have sufficient oxygen, they must be ventilated. Ventilation of doors and windows should always be opened. Conditional fans can be installed.

Pay attention to the "three defenses"

Disease prevention

That is to 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 to 80 cm from the flock . In normal circumstances once or twice a week, on a hot day each morning and afternoon, while reducing the concentration of the drug by 30% to 50%.

Moisture proof

That is, keep the chicken house and the playground dry. The optimum relative humidity for broilers is 50% to 70%, and when the relative humidity is higher than 70%, the feathers become contaminated and contaminated, and arthritis can also increase. 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.

Anti-mosquitoes

That is, preventing mosquitoes and flies from attacking the chicken body. 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.