As the seasons changed and the layer chicken market became stable, the majority of farmers began to enter the peak of brooding. Due to the fact that some farmers have less professional knowledge and lack of experience, brooding issues are often prone to problems, affecting future egg production and causing certain economic losses. Now based on the author's many years of practical experience, I have elaborated on several problems easily overlooked by farmers, hoping to help the majority of farmers. 1 Strictly sterilize chicks before they enter the house. The disease resistance is poor. If the disease causes not only death of chickens to varying degrees, but also prone to malnutrition and even immunosuppressive diseases, affecting the production performance, so strict and thorough must be done before entering the chicks. Disinfection. The author believes that the use of formalin 28ml, potassium permanganate 14g per cubic meter of space for 48 hours fumigation disinfection effect is better. 2 The appropriate temperature fumigation should be open for window ventilation for 2 to 3 days. When there is no taste, the door and window will be closed tightly to begin the test temperature, and the temperature should be adjusted to 34 to 36°C 2 days before the start of hatching. Because of the differences in breeds and physique of chicks, it is important to look at chickens in the actual production rather than to look at the table. After entering the chicks, they should be fed in layers according to the chicken's constitution. If the whole group of chickens is of weak constitution, room temperature should be increased by 1~2°C for “high temperature broodingâ€. During the rearing process, attention should also be paid to the observation of the flock. When the temperature is appropriate, the flock will be scattered and lively. When the temperature is low, it should be gathered and near the heat source. At this time, the room temperature should be increased. When the temperature is high, the mouth should be open and the legs spread apart. Keep away from heat sources and cool down properly. 3 Humidity Humidity is a very important part of brooding management. Most chicken farmers tend to be light and humid. Excessive humidity is not conducive to the absorption of residual yolk in the peritoneal cavity of chicks, and it is prone to coccidiosis and mycosis; humidity is too low, chicks are prone to dehydration, and dust in the air is prone to induce respiratory diseases. It is generally believed that the suitable humidity for brooding is 0 to 1 week of age, 70% to 65%, 2 weeks of age, 65% to 60%, and 3 to 4 weeks of age, 60% to 55%, which can be increased by spraying or heating water vapor. If the humidity is too high, ventilation and dehumidification should be enhanced. 4 Ventilation and ventilation at the right time Some farmers are heavy-duty and light-ventilated, and the house is made airtight (especially in winter). The house is full of ammonia odor, so it is easy to induce respiratory diseases, so it should be ventilated in a timely manner. In the first week, the chicks were excreted less, and the insulation was the main factor. Open the skylight or the wind bucket; the amount of ventilation could be increased after the second week, but pay attention to the "thief wind" and "draft style." 5 Sterilization is an effective way to prevent infectious diseases. Chicks can be sterilized in chickens for about 2 weeks. At this time, the chicken body has a better body temperature regulation function. Disinfection should use more than two disinfectants alternately to prevent drug resistance. 6 immunization methods Immunization during brooding should be used nasal drops, eye drops, subcutaneous injections, etc., should use less water to immunize. 7 Weight and evenness If the chicken body weight is up to standard, the higher the uniformity is, the higher the production performance is in the egg production period, and the peak egg production rises quickly and maintains for a long time. Therefore, feeding restrictions should be avoided during the brooding period. If the chicken population is deviated, it should be bred with high nutrition; if the chickens are not tidy, they should be fed in layers to increase the weight and evenness. In short, we must strictly control brooding, do a good job in the basic work, and lay a good foundation for the laying period.
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