Since the beginning of winter, as the temperature has dropped, the laying rate of many laying hens has declined to varying degrees. This will cause considerable losses to breeders who have not benefited from raising chickens. How to make full use of the production performance of layer hens in winter and spring, maintain stable and high yield, and then obtain good economic benefits?
First, we must strengthen nutrition.
When the weather is cold, the energy consumption of laying hens increases, and the feed intake will increase accordingly. In this season, laying hens should be fed with compound feeds with higher heat energy, and by adjusting the feed formulation, the laying hens' ability to keep warm can be enhanced. Feed 4 to 5 times a day. Conditionally, let the chicken drink clean warm water. Many farmers increase egg production by adding 3% to 5% fat to the diet or 0.2% choline chloride to the diet.
Second, we must strengthen heating insulation.
Laying chickens have higher egg production rate at 17-21°C; when the temperature is lower than 5°C, the egg production rate decreases; if the temperature is too low, feed consumption will increase. Therefore, the appropriate temperature is the key to ensuring a stable and high-yield layer. Before the advent of each cold, we must carefully check the doors and windows, walls and other conditions, in particular, to prevent the invasion of thieves. If the conditions permit, heating can be done through coal-fired stoves, floor-heating stoves and other facilities.
Third, we must strengthen ventilation.
While keeping warm, be sure to pay attention to the ventilation of the house. Many chicken farmers often only pay attention to heat preservation and neglect the ventilation. As a result, the air flow in the house is poor, harmful gases such as carbon dioxide and ammonia are trapped, and oxygen is insufficient. This causes strong stress on the chicken body and triggers respiratory disease, which in turn affects chickens. Normal egg production. It is advisable to conduct ventilation at noon when there is no wind and light.
Fourth, to properly supplement the light.
The lack of illumination in winter and the short natural lighting time make it easy to reduce the egg production rate. Therefore, artificial supplemental lighting should be taken. The daily light is not less than 16.5 hours. It should be noted that the daily lighting time cannot be increased suddenly. The lighting time should be gradually increased. Otherwise, the prolapse of the anus can easily be caused.
Fifth, we must strengthen prevention.
In winter and spring, the high incidence of hens mainly includes chronic respiratory diseases, atypical Newcastle disease and infectious laryngotracheitis, so in the winter, chickens should be regularly sterilized. Usually 5~7 days for 1 time, the disinfectant should be used alternately. The time is usually better at noon when the weather is normal. It is also possible to regularly put some heat-clearing and detoxifying Chinese herbal medicines for prevention; In the days before and after the vaccination and changes in the weather, drinking water should be increased by electrolysis; at the same time, immunization should be done on schedule to prevent the occurrence of other infectious diseases.
Sixth, we must clean up the chickens in time.
In winter, in order to ensure the health of chickens and have a high rate of egg production, sick and low-yielding chickens should be eliminated in due course to ensure that chickens have a higher uniformity and reduce the ratio of eggs to eggs, thereby creating higher aquaculture benefits.
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