U.S. broiler and laying hens have adopted new technologies that have brought substantial income to farmers. Life-long immunity method: When the eggs hatch to 18 days, randomly select a point on the eggshell, soften with acetic acid, and inject the vaccine into the embryo. The hatched chick can be permanently immunized. Feeding sugar water: In the 15 hours after the chicken hatches, adding 8% sucrose solution to the drinking water can reduce the death rate by half. Chicks cutting crown method: When the chicks have not eaten within 24 hours after hatching, cutting off the chicken cockscomb can not only save feed, but also avoid various adult crown injuries. After the hens start production, the egg production rate can also be increased by 4%. Feeding Methionine: The addition of methionine to the feed will allow the broiler to grow rapidly and the feed will be reduced by half. The method of feeding choline: 0.05% choline was added to the feed, the egg production rate increased by 3%, and the average egg weight increased by 2.8 g. Feed Manganese Method: Adding 20 parts per million to 25 parts per million of manganese in chicken feed can make hard shell eggs for the hens without increasing shell thickness. The broken rate of this egg is greatly reduced for storage and transportation. Feeding sunflower seeds: Incorporation of 8% sunflower seeds or 10% wood shavings in the feed of laying hens can reduce the cholesterol in the egg yolk by 13%. Change lighting method: In the first month of hen laying, change the daily period to 28 hours, and change the light according to the 12-hour light and 16-hour dark interval. The average egg production will increase by 10%, and the eggshell will be firm. Little egg production. Music chicken-raising method: When chicks are hatched, they can play sounds when the young chickens shell out, so that the chickens can be hatched neatly and consistently to improve the hatching rate. Play a 12-hour melodious serenade regularly every night for 1 hour, for a period of 7-8 weeks. This method can increase the daily gain of broilers by 3%, and the egg production rate of laying hens increases by 10%. In addition, the chicken is quiet when enjoying music, and it also saves on feed. China Agricultural Network Editor
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