Porcine sub-health syndrome
In the actual production management of pig farms, managers and technicians generally pay more attention to the treatment and prevention of diseases, but do not pay enough attention to chronic consumptive diseases such as pig parasites. in the production practice for many years, we have found that: in addition to the above factors, the pig sub-health syndrome in the critical state between health and disease is relatively long now and in the future. It will become the biggest enemy of the industry with severe viral disease. If pig farm managers do not pay high attention, it will seriously affect the production efficiency of pig production and the improvement of product quality.
First, the common symptoms of sub-health state of pigs. ⑴ pigs lost their appetite and grew slowly. The ontogeny of ⑵ was uneven and the incidence of dermatosis in pigs increased. ⑶ pigs have intestinal dysfunction, diarrhea and low absorption rate of nutrients. ⑷ has low immunity, decreased resistance to viruses and bacteria, and is easy to infect diseases. ⑸ is in a state of stress for a long time, which is prone to respiratory diseases, parasitic diseases, salmonellosis and enterotoxic syndrome.
Second, the reasons for the sub-health of pigs. Mainly immunosuppressive diseases, mycotoxins in feed, bad feeding environment and non-standard production management.
Third, the main measures to solve the sub-health status of pigs. ⑴ improved feeding and management conditions, especially environmental and nutritional factors. ⑵ attaches importance to the improvement of production technology and the standardization of management measures. ⑶ uses new feed additives that can improve animal immunity and reduce the harm of immunosuppressive diseases. ⑷ uses a broad-spectrum treatment agent that can absorb a variety of mycotoxins to relieve the harm of mycotoxins to pigs. ⑸ does a good job of vaccination and drug health care ahead of time.
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How to cultivate Coprinus comatus
Coprinus comatus, also known as hairy head ghost umbrella in Japan, is a kind of rare edible fungus with extensive development value for both food and medicine. Its meat is thick and tender, tastes sweet and delicious, and is rich in nutrition. Coprinus comatus also has the advantages of easy cultivation, high yield, good taste, easy preservation and so on. In recent years, the scale of cultivation in rural areas of our country has developed rapidly, and the social and economic benefits are obvious. The key points of cultivation techniques are as follows: cultivation season. Coprinus comatus is a medium-and high-temperature mushroom, which is a grass rot native fungus. The temperature range of mycelial growth is 10: 3.
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Do a good job of preventing heat and cooling chickens in summer
The most suitable temperature for laying hens is 17 ℃ ~ 28 ℃, and the temperature that has little effect on production is about 7 ℃ ~ 27 ℃. When the summer temperature in Shandong Province is more than 35 ℃, chickens will faint and die when they reach 40 ℃. The experiment proved that when the temperature in the henhouse reached more than 30 ℃, the sperm of the rooster decreased, the sexual maturity of the hen was delayed, the fertilization rate decreased by 60%, and the laying rate of laying hens decreased generally. At the same time, due to the decrease of blood calcium and the imbalance of acid-base balance, it was easy to induce other diseases, such as Escherichia coli, mycosis and so on. Broilers are easy to fat because of their large size.
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