Meat chickens are kept in groups
The advantages of male and female parenting:
First, male and female broiler chickens are fed in groups with average weight gain, development is even, and individual differences are small.
Second, male and female breeding can save feed and improve feed utilization efficiency. In general, 2.54 kg per kg of weight-increasing feed is fed to the group, and 2.57 kg per kg of feed is added to the mixed feed.
Third, male and female breeding, broiler weight is basically the same size, is conducive to mechanical slaughtering, processing, cutting and packaging operations.
The main management measures:
First, according to economic benefits male and female played in stages. In general, after 7 weeks of age, the weight gain of the hens was relatively decreased, and the consumption of feed increased sharply. However, the growth rate of the cocks after 9 weeks of age decreased, and feed consumption began to increase. According to this rule, the playing time should be the best around the 50-day-old rooster and the 70-day old hen.
Second, according to the public and the mother to provide suitable environmental conditions. Rooster feathers grow slowly and have a large body size. The incidence of chest cysts is relatively high. Soft and thick bedding should be provided and attention should be paid to the management of litter. The roosters require room temperature to be slightly higher than the hens during the rest of the brooding period, and the roosters have poor heat resistance during the brooding period. Therefore, the roosters require lower room temperature than the hens during feeding activities.
Third, according to the male and female adjustment of dietary nutrition levels. Roosters can effectively use high protein diets. Therefore, feeding high-protein diets can speed up the growth of roosters' muscles, and production practices can increase the protein level in the early-crown diet to 25%. Hens cannot effectively use high-protein diets. The excess protein is converted into energy and deposited in the form of fat. This is uneconomical. Adding synthetic lysine to the feed can increase the growth rate and feed conversion rate of the rooster significantly, and the diet added with chlortetracycline can improve the feed conversion rate of the hens.
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