Under normal circumstances, the old farm black chickens, breeding hens to 8 to 16 weeks of age entered the youth stage, they should begin feeding restrictions. The purpose is to control the weight gain of breeding hens to prevent premature sexual maturation of hens (premature production), so that the breeding hens can maintain a high standard of body weight suitable for vigorous production, so that the breeding hens will always maintain a strong and high yield. To achieve the purpose of improving feeding efficiency.
Correct ration feeding for breeding hens should start with the following three aspects:
First, the implementation of feed intake restrictions: that is, limiting the intake of breeding hens, so that the daily intake of breeding hens is limited to 80-90% of the free intake.
Second, the implementation of dietary quality restrictions: that increase the amount of cellulose and green juicy feed, reduce corn, sorghum, bean cake and other feed concentrates.
Third, the implementation of feeding time restrictions: that is, limiting the feeding time of breeding hens, can be fed regularly to limit the daily intake of feed, but also can be used to stop eating a week a week to limit the intake.
However, it is worth noting that no matter what kind of restriction on food intake is adopted, normal water supply should be ensured, and drinking water of breeding hens must not be limited so as not to affect the high-yielding performance of breeding hens and to reduce feeding efficiency.
The above is to raise the yield of breeding hens through limiting breeding. A problem encountered when hens produce green shell eggs is recommended.
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