How to get efficient laying hens
Autumn sunshine is gradually shortening, and the weather turns cooler. Adult hens gradually stop moulting. New laying hens produce eggs one after another. The following feeding and management techniques can be used to increase efficiency.
1. Weed out old weak hens. Laying hens are generally kept for 1 to 2 years, and should be eliminated after more than 2 years. Poor health and low egg production should be singled out in a timely manner. The layered chickens should be fed with high-calorie feeds, such as corn, bran, etc., to encourage the hens to increase their weight and to market the fertilizers in time. In addition, new and old layer hens should be kept separately, so that the new layers will gradually transition from prenatal feeding to egg production.
2. Manually control moulting. In order to synchronize moulting, the light time can be reduced from the original 16 hours to 8 hours, the strong light to weak light, the compound feed to gluten, straw, and add 1% in the feed 1.5% of gypsum substitutes for minerals so that it can be moulted in 7 to 10 days. After moulting, appropriate amounts of green fodder such as pumpkin and vegetables are added to the diet, and the light is restored to 12 to 16 hours. After 4 to 5 weeks, the laying hens can grow new feathers, and 7 to 8 weeks the chickens can lay eggs. Adding 2.5% zinc oxide to the diet also promotes moulting and shortens moulting time, leading to early egg production.
3. Adjust the diet structure. It is required that the feed contains a full range of protein, minerals and vitamins, good palatability, and good quality. Egg laying rate of 70% to 90%, the diet should contain 17% to 19% of protein, per kilogram of feed containing 2700 to 2750 calories, calcium 3% to 4%. When 5-10 eggs are produced per 100 chickens per day, oxytocin can be started. For every 100 kg of feed, 15 to 20 kg of bean cake, 5 to 7 kg of fish meal and blood meal, 5 to 10 kg of bran, and sesame leaf flour should be added. 3 kilograms, 2 kilograms of bone meal, 4 to 5 kilograms of shell powder, 0.5 kilograms of salt, 10 kilograms of multivitamins for egg poultry, and the appropriate amount of mineral additives, with the remainder being corn. When the egg production rate reaches 70% to 80%, 1-2 kg of fishmeal will be added to every 100 kg of feed in the diet, and bran and corn will be appropriately reduced. This will produce more eggs.
4. Manually supplement lighting. Light can stimulate ovulation and increase egg production. Layer chickens increase light every week for half an hour when they start laying eggs, and then increase for half an hour every two weeks until they reach 16 hours per day. It is best to add artificial lighting before dawn. When supplementing lighting, 3 to 5 watts per square meter of floor is appropriate. The light is about 2 meters from the ground, and there must be a lampshade to light, with a distance of 3 meters between the light and the light, and the light should be evenly illuminated.
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