The author has been dealing with a large number of farmers for many years and found that most of the rural farming professionals do not pay enough attention to the success or failure of the chicken brooding stage. Chicken brooding is the key to success or failure of the chicken industry. It directly affects the health status, survival rate and feed ratio of medium and large chickens. The author summarizes the following points of experience for the majority of farmers. Before the hatchery is sterilized, the broiler house must be thoroughly cut and sterilized. Wash the floor and wall doors and windows with washing powder, then open the doors and windows to allow the natural wind to dry, and use a 0.5% poison solution to conduct a complete spray disinfection. Finally, about 10% of the caustic soda solution is used for spray disinfection (where the condition can be sprayed with lime water). After the disinfection is completed, those drinking fountains, food bowls and other utensils shall be cleaned and placed in a brooding house with disinfectant water. The doors and windows shall be closed and fumigation shall be carried out with 30 ml of formalin and 15 g of potassium permanganate per cubic metre of space. 24 hours or so. To prevent the early infection of Marek's disease. Chicken selection Because of the continuous development of the chicken industry, the brands of the same type of chicken species are also diversified. The price of chickens of each brand is also different. Therefore, when selecting chicks, look for the brand and price of the chicks so as to prevent Fill or impersonate the brand, causing unnecessary economic losses. Hot days are selected sooner or later when entering the chicks, and noon is selected in the cold days. The vehicle for transporting chicks needs air circulation. When picking up young ones, they should choose healthy chickens that are bright, lively, cheering, eyesful, responsive, anal clean, well-absorbed umbilical cords, and undisturbed licks, eyes, legs, and claws. Weak chicks have low survival rates, slow growth rates, and are prone to viruses. It is best to keep the weak chicks separately and to eliminate those weak chicks that have no feeding value. The drinking water and the chickens bought back are stored in a brooding room with a box for 5 to 10 minutes and then placed on the ground or on the net. Timely use warm water and appropriate amount of broad-spectrum antibacterial medicine as the first drinking water for chicks to disinfect the gastrointestinal tract and clean up bacteria in the gastrointestinal tract. After drinking 10% to 15% glucose water or saline. When two-fifth of the chicks have food-seeking performance, they can eat and spread the feed on the pad. Because the digestive tract volume of the chicks is small and the digestive function is poor, they should not be overdose. Excessive indigestion can cause indigestion and prone to digestive tract. Diseases require less ground for feeding, and there is enough space for chicks to eat freely (to prevent chicks from squeezing to death). Feed requires nutrient-rich, small particles (broken material), crude protein should not be less than 20%. Chicks are fast-growing and metabolically strong, so they must have sufficient free drinking water and food intake. Because the chicks are in a high temperature environment, intermittent drinking water will cause the chicks to thirst and cause water rushing, causing the chicks to drink and cause death. The lack of water is also prone to dehydration and death. Temperature and humidity control To improve the survival rate of chicks, we must control the temperature and humidity. Low temperature susceptible to colds, diarrhea, Salmonella, ascites, chicken white fleas. High temperature can cause hair coke, stagnation, dehydration and death. Humidity: It stays around 75% in the first week and around 60% in the second week. Temperature: The first week is kept around 35°C (adjustable according to ambient temperature). Afterwards, drop 2°C to 3°C every week until the chicks can adapt to the natural environment. The temperature can also be controlled according to the state of the chick: If the temperature is too high, the chicks will puff away from the heat, reduce appetite, and increase drinking water. The temperature is too low, often crowded together, get together, and taking too long can cause a large number of chicks to be crushed. The chicks are normal, lively and spirited under normal temperature conditions. Light, Density and Ventilation The first to ten days of chick light require 24 hours for familiarity with the environment and feeding, with a 40 watt light bulb suspended every 15 square meters at a height of 2 meters above the ground and later with a 25 watt bulb. And natural light on it. Light should not be too strong, the first can reduce the formation of fleas, and the second can allow the chicks to develop regular exercise, feeding and sleep time, which is conducive to the absorption and transformation of nutrients in the bred and fattening stage. . If the light is too strong, it can cause reciprocating licking, feathering, and licking. The density is moderate, the density is large and the labor force is wasted. The chicks of small density tend to squeeze each other when they eat and drink, and the weak chicks do not drink on the water to eat. There is no suitable exercise space. The chicks should pay attention to the ventilation in the high-temperature growth environment, so as to avoid premature respiratory diseases and other diseases. Experience Summary When chicks are kept for 5 to 6 days, the weak chicks are selected and carefully cared for. The temperature can be increased by 2°C to 3°C (until the proper temperature for the weak chicks). Add appropriate amount of broad-spectrum antibiotics and vitamin C to drinking water for 3 days. Then add an appropriate amount of multivitamin premix to the drinking water for 3 to 5 days until the weak chicks are strong and mixed. In order to prevent the infection of Marek’s disease, hatched chicks must be given Marek’s disease vaccine within 24 hours. 3 to 5 days old first kidney transplant seedlings. At the same time, injections of Bursa vaccine, Newcastle disease, bird flu, moldy body and laryngotracheal tube vaccine were also completed.
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