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Chickens should not be shot at the peak of egg production
When the chicken enters the laying period, the body's physiological changes have certain rules. At this time, if the chicken is given a vaccine or bacterin, it will disrupt the law, so that the chicken eggs drop or suffer from respiratory diseases. Furthermore, chickens do not have a quiet environment during the laying period. When they give injections to chickens, they may experience stress syndrome due to fear, resulting in decreased egg production and decreased appetite. The best time for chickens to get vaccinated should be before or after the start of production.