Restricted feeding means consciously controlling the amount of feed and limiting the energy and crude protein levels of the diet in order to prevent excessive weight during gestation, premature maturation and overweight of adult breeders, low fertility, and reduced egg production. A feeding method. The restricted feeding method is generally applied to broiler breeder chickens because broiler breeders are characterized by rapid growth, easy precocity and heavy egg consumption. Adult breeders tend to deposit fat and affect the fertilization rate and egg production rate. In order to prevent the above phenomenon, it is often used to limit feeding.

As for the restricted feeding of egg-type chickens, it is mainly the bred stage, which controls the energy and crude protein levels of the diet, grasps the feed amount according to the standard weight of the strains, and controls the light time to prevent prematureness, so that the chickens will be opened in about 160 days. Production soon reaches normal egg weight and maintains egg production lasting. During the laying period, no restriction feeding is generally performed, but the nutrient level of the diet is properly controlled during the late stage of laying. Restricted feeding should pay attention to the health status of the flock, such as the disease of the flock or vaccine according to species, etc., should be resumed temporarily for free feeding, and individual frail poorly developed chickens should be single-fed. To ensure that each chicken has enough places to eat and drink, in order to avoid uneven hunger and uneven development. Limiting feeding should be measured on a regular basis, with the standard weight list, according to the development of weight control the amount of feed. The above standards and programs can only be used as a reference. When the actual restrictions are imposed, the standards for feeding restrictions on the chickens raised should be used in conjunction with the actual conditions of the feeding and management at that time.

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