Ducks should avoid inbreeding
Small-scale duck farms have a small population of ducks and it is difficult to avoid inbreeding, which results in decreased viability and production performance of offspring, weakened constitution, increased morbidity, and fertilization rate, hatching rate, laying rate, and eggs. Weight and weight will decline and so on. In order to avoid inbreeding, blood renewal must be carried out. That is to say, the bred ducks of the same breed with good physique and excellent production performance should be introduced every other year. Purebred breeding uses the male and female ducks in the same breed for breeding. This method can maintain the good traits of a variety. It can be selected by purposeful breeding and can continuously improve the production capacity and breeding value of the breed. Duck farms or commodity production sites are widely used.
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