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This period mainly controls salmonellosis and E. coli disease. Mortality is generally between 2% and 3%, accounting for about 30% of all deaths in the whole period. It is necessary to incubate from formal, well-conditioned hatcheries; to improve brooding conditions, use warm air stoves to heat and reduce dust; maintain proper temperature, humidity, and temperature not to go up and down; use drugs in a timely manner and choose drugs properly. At the same time, we should add some nutritional additives, such as glucose, electrolytes, a variety of vitamins, etc., in order to improve the disease resistance of chicks, the general use of drugs can greatly reduce the mortality rate of 3-5 days.
2. Mid-feeding (20-40 days old)
The main control of coccidiosis (flat ground), mycoplasmosis and E. coli disease, while paying close attention to infectious bursal disease. Mortality is generally around 3%, accounting for about 35% of all deaths in the whole period. It is necessary to improve the condition of the chicken house, increase the ventilation (to ensure the temperature is a prerequisite), control the temperature, keep the litter dry, and often disinfect the environment and flocks; give some anti-stress and immunity-enhancing drugs before the immunization and grouping. Try to arrange it at night to reduce stress.
3. Rearing period (45 days old until slaughter)
The main control of E. coli disease, atypical Newcastle disease and mixed infections. Mortality generally accounts for 3% to 4%, accounting for about 35% of all deaths in the entire period. It is necessary to improve the environment of the house, increase ventilation, and disinfect the ground. Two to three kinds of disinfectants can be used interchangeably. However, environmental disinfection should not be performed 2 days before and after the immunization. Do a good job in the immunization of Newcastle disease in the middle and early stages. The procedure is reasonable, the method is appropriate, and the immunization is indeed done. Prevent medications. Use antibacterial drugs and antiviral drugs in combination at this time. Do not miss out on each other and pay attention to withdrawal period. Feed the chickens with probiotics, adjust the environment within the digestive tract, restore the balance of the flora, and enhance the body's immune system.
Broiler Breeding in Three Stages of Feeding Management Technology
1. Pre-feeding (0-10 days old)