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Causes of high mortality in chicks
1 The temperature during the brooding period fluctuates. “There is money to buy medicine and no money to buy coal†is a major misunderstanding for many farmers. Many farmers are afraid of burning coal, which makes it difficult to control the temperature, resulting in many diseases for the chicks. Temperature is too high, body heat and water dispersal of chicks are not affected, appetite is reduced, respiratory diseases are easy to develop, growth and development are slow, and mortality rate is increased; at too low temperature, chicks cannot maintain body temperature balance and crowd each other, causing some chicks to breathe Difficulty, the yolk stops absorbing or even dies. 2 Do not pay attention to the ventilation of the broiler house to keep the air fresh. Due to the high metabolic rate of chickens in the new city, the chickens emit a lot of carbon dioxide. In addition, the feces from the chickens evaporate a lot of ammonia. If the concentration is too high, it will also cause illness. The brooding house should pay attention to ventilation and ventilation, but it should not allow the air to be directly blown into the shed, especially when the outside temperature is low, it is necessary to prevent the cold wind from blowing in, so as to avoid catching colds in the chicks. 3 Density is too large to squeeze each other Due to the density is too large, the number of feeding troughs and drinking fountains is small, the location is improper or the environment is mutated, there is foreign matter stimulation, etc., often causing the flock to squeeze each other. There can be 30 to 40 animals per square meter, and as the age increases, about 5 can be decremented per week. They should also be bred in groups based on the breed, size, and strength of the chicken so as not to squeeze each other. 4 feed types monotonous nutrition is not comprehensive nutrition is the most important chick, once the animal protein, minerals, vitamins, amino acids can not meet the nutritional needs of chicks, it will seriously hinder the growth and development of chicks, the performance of thin, slow growth, and even the corresponding Nutrition deficiency. According to the nutritional needs of the chicks and the local feed sources and types, full-price feeds should be prepared according to local conditions. 5 Poor hygiene in broilers Breeders generally do not pay much attention to sheds' hygiene. The litter on the ground of the house is not replaced for a long period of time. It is not cleaned regularly, the temperature in the house is too high, the humidity is high, chicken manure is piled, and the pathogens and parasite eggs are long-term. Survival, infectious diseases, and parasitic diseases are easily transmitted, leading to increased morbidity and mortality. We must do a good job in the health of chicken coops, timely remove house waste and litter, keep chicken coops dry, and regularly disinfect chicken houses and utensils, and then give drug prevention and treatment to effectively control the spread of diseases. 6 Insufficient disease prevention Farmers rarely pay attention to the sterilization of daily equipment such as brooding insulation equipment, feed chutes, drinking fountains, etc., and do not promptly immunize chickens against Newcastle disease and immunize them. Also, bursa of Fabricius and fowlpox are not inoculated. timely. Broiler's ferret and coccidiosis are two diseases in the brooding stage. Farmers often do not grasp the time and methods well. It is too late to take measures until the symptoms appear.