Method for improving egg production of laying hens
The Russian study showed that when chicken house temperature is 32°C, adding 60 mg of vitamin C per kilogram of feed can increase the egg production rate by about 12% within 10 weeks; when the shepherd temperature is 35°C, per kg of feed Adding 44 mg of vitamin C can increase egg production by 11% within 20 weeks. At a temperature of 17.8 °C - 44.4 °C, laying hens are fed with 400 mg of vitamin C per kilogram of feed added, and about 6% of eggs can be produced in 3 months; at 7 °C - 20 °C, per kg of feed. Add 30 mg of vitamin C and increase egg production by 7% within 48 weeks.
Adding choline
Choline is a vitamin preparation belonging to the vitamin B family. US experts added choline to laying hens for 44 weeks. The results showed that the laying rate of laying hens fed 0.05% choline was 76.2%, the average egg weight was 61.5 g, and the average final body weight was 1943 g; eggs without choline were added. The chicken egg production rate was 73.3%, the average egg weight was 58.7 grams, and the final body weight was only 1906 grams.
Hunger
Tests by the Ukrainian Institute of Agriculture and Animal Husbandry have demonstrated that hunger can increase egg production in hens. The method is: the hungry feeding is performed one month before the hen enters the laying period, that is, gradually reducing the amount of feed from the first week, and the amount of feed after one week is controlled at 1/20 of the normal amount, mainly drinking water. Keep hens highly hungry. After one month of hungry feeding, the feed is gradually added to the normal amount, and it enters the laying period after returning to the normal level. Since the hen's vegetative growth is controlled during the starvation period, it is transferred to reproductive growth, which promotes reproductive development and estrogen secretion. As a result, egg production can be increased by about 40%.
Feed tryptophan
Experiments in the chicken farm in Fukushima Prefecture in Japan showed that the addition of 500 mg/kg L-tryptophan to the basal diet of laying hens resulted in a 9% increase in egg production and a 5.5-day increase in egg production. Grams, and after 53 weeks of age, the egg production rate still increased.
Plus Acanthopanax leaf powder
Russia’s agricultural experts have found that hens aged 13-14 months of age in the late stage of laying their eggs are given 0.15 grams of leaf powder per kilogram of body weight. On the tenth day of feeding, they can produce more eggs per 1,000 chickens. More than two hundred, an increase of 4% over the control group; egg production after 10 days was 5.7%-17.8% higher than that of the control group.
Add red pepper
Studies by Hungarian animal husbandry scientists have shown that red pepper dried and ground into the feed and fed to laying hens can both increase the egg production and change the color of the yolk from light yellow to dark yellow or earth red. The specific approach is: Add 1% of red pepper powder and lotus root powder in chicken feed, then add a small amount of vegetable oil, and then use it to feed chickens, the egg production rate can be increased by 7%-8%.
Head cooling method
Researchers at the University of Texas in the United States have found through research that if the hen’s head is kept cool in the summer, it can increase egg production. Therefore, they installed a duct at the top of each cage to supply cold air and reduce the hen's head temperature. As a result, the laying rate of the hens increased by about 25%.
Food trough coloring
Israeli scholars have found that chickens like brilliant colors. Therefore, the color of the hen's trough is painted in various colors to increase the appetite of the hen and the egg production can be increased by about 12%.
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