Cold air activity is frequent in winter and early spring. Cold storms are often accompanied by blizzards and temperatures drop by 5 to 10°C. Because of the sudden freezing cold weather, the farming industry often suffers unexpected losses. Therefore, farmers must pay great attention to this and pay attention to prevention.
First, the impact of cold air on the production of aquaculture
1. Inducing a drop in egg production in laying hens. According to reports, cold air has a great impact on laying hens, and the degree of harm depends on the intensity of cold air and the duration of the cold air. In general, cold egg production can cause 2% to 10% drop in egg production during laying.
2. Causes an outbreak of acute abdomen in the genus. Equine acute abdomen is a type of acute gastrointestinal disease with severe abdominal pain as the main symptom, rapid illness, rapid development, and untimely death. Recently, veterinary workers have discovered that such diseases are extremely closely related to cold air, and their peak incidence mainly occurs during cold air intrusion.
3. A large number of cattle and pigs were frozen to death.
Second, the prevention of harm to cold air
1. In the winter and spring season, farmers should listen to the local weather forecast in time, keep abreast of cold air information, and do preventive work in a targeted manner.
2. Prevent egg production cuts. Before the cold air arrives on the 2nd, increase the amount of layer feed by 9%~12% so that each chicken gets 30~50 kilocalories of heat. Cold air returns to the original amount of feed immediately after the temperature rises. Chickens have better resistance to cold and maintain egg production, and they are resistant to cold air.
3. Control of Equine acute abdomen. After learning about the arrival of cold air, we must promptly improve the feeding conditions and strengthen the work of keeping warm and cold. Veterinary workers should be prepared for the battle so that they can have enough human and material resources to put emergency relief at any time.
4. Prevent the destruction of greenhouses. Once a storm disaster occurs, it is often difficult to resist. It is necessary to take precautions in production. At the beginning of the design and construction of greenhouses, it should be based on the prevention of large winds and catastrophes, making the greenhouses a warm world conducive to the growth and development of livestock and poultry, improving production performance, and being able to stand tall in class 10 storms. Strong fortress. (
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