Non-pollution conditions of chicken claw fungus
Coprinus comatus is favored by mushroom farmers because of its rich nutrition, delicious taste, tender meat and large market demand. it has been widely cultivated all over the country, and the development prospect is very broad. however, in actual cultivation, the majority of mushroom farmers are often troubled by a racemose fungus (commonly known as chicken claw fungus). Due to negligence in prevention and control, until there is a large area of infection, they are treated with some high residue pesticides indiscriminately, not only without effect. It also often causes pesticide residues in finished mushrooms to exceed the standard, affecting the products. For example, in mid-October 2006, five containers of edible mushroom products exported to Malaysia by a company in Sanligang Town, Suizhou City, Hubei Province, were returned because of excessive pesticide residues, resulting in a direct loss of more than 300,000 yuan, which is a lesson. With regard to some of the technical problems that the majority of mushroom farmers have called to consult, the answers are as follows:
1. Specificity: chicken claw fungus, belonging to ascomycetes, the pathogen has a strong specificity of infection harm, so far, only found that it is harmful to Coprinus comatus.
2. The disease condition: chicken claw fungus likes high temperature and high humidity, grows rapidly between 20 ℃ and 35 ℃, and decreases when the temperature is below 20 ℃, but it can still cause harm. The first infection condition of chicken claw fungus is mainly carried by soil. After 2-3 stubble of Coprinus comatus, chicken claw fungus began to emerge. Where the chicken claw fungus grows, the hyphae of Coprinus comatus gradually fades away, no longer produce mushrooms, or even no harvest, which is enough to prove its great harm.
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The benefit of layered co-culture of pigs and chickens is high.
It is reported that the good method of layered co-breeding of pigs and chickens was first popularized and used in rural areas of Shanxi Province in 1998. Seven years later, this feeding method has been widely promoted in most rural areas of our country, and has achieved good economic and social benefits. According to the introduction of pig-chicken joint farmers, in the pig-chicken joint breeding house of about 32 square meters, using the method of high-bed cage (upper layer raising chickens, lower layer raising pigs), the upper layer can raise about 180 ~ 200 laying hens, and the lower layer can raise 6 ~ 8 fattening pigs (or piglets).
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pig pregnancy detector
The reproductive performance of sows affects the economic benefit of pig farms to a great extent. The oestrus diagnosis of weaned sows, timely and effective breeding and return to estrus examination 21 days after breeding are the only ways to improve sow fertility. But pregnancy is only a physiological symptom, and there are always many natural causes that affect the continuation of pregnancy. Ultrasonic pregnancy diagnostic instrument can diagnose sows with early pregnancy failure as soon as possible, and make them rebred as soon as possible to improve the production level of breeding pigs.
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