Controlling the growth of breeder hens can prevent early sexual maturation (premature production) of breeder hens, so that hens can maintain a strong and high yield after they are put into production, so as to achieve the purpose of improving breeding efficiency. The correct restriction of feeding on hens should start from the following three aspects:
The food restriction is to limit the feed intake of the breeding hen, so that the daily intake of the breeding hen is limited to 80% to 90% of the free feed intake.
The time limit is to limit the feeding time of the breeding hen, and the daily feeding can be used to limit the intake, and the intake can also be restricted by using a weekly stop for 1 day.
The restriction of concentrates is to increase the feeding amount of cellulose and green-green succulent feed, and reduce the feed amount of corn, sorghum, bean cake and other fine feeds. No matter what kind of restricted access methods are adopted, normal water supply should be ensured, and the drinking water of the breeding hens must not be limited, so as not to affect the high-yielding performance of the breeding hens and to reduce the breeding efficiency.
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