Modern high-yielding hybrid chickens are generally seen around 120 days of age. Therefore, they must be basketted before 100 days of age to allow new hens to become familiar with and adapt to the environment for a period of time before opening. After being basketed, we will eliminate the small-sized, thin, and non-feeding value of residual chickens. Before completion of immunization, flu vaccines should be inoculated twice, separated by about 30 days. The laryngotracheitis vaccine should be wiped on the anus. After inoculation, the effect of inoculation should be checked, and if necessary, antibody testing should be carried out to ensure the effectiveness of the immunization so that the birds have enough antibody levels to prevent the occurrence of the disease.
Before the start of production, we must do a good job of deworming, 20-40 mg of levamisole per kilogram of body weight, fed with spices, once a day, once every 2 days to drive out the mites; per kg body weight of sulphur bis(dichlorophenol) 100-200 mg, The ingredients were fed once a day for 2 days to drive the maggots.
Birds whose body weight meets the requirements or slightly larger than the standard body weight can increase the hours of light exposure to 13 hours at the age of 16 to 17 weeks, and then increase the weekly light hours by 30 minutes until the light hours reaches 16 hours. Chickens should start light stimulation at 130 days of age when the flock is laying eggs.
Two weeks before the start of production, the bred material was converted into the pre-laying material (2% calcium) or the peak egg production (3.5% calcium content).
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