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What are the key points for winter cultivation of shiitake mushrooms? A must-read for growers
Shiitake mushrooms are crisp and tender in texture, delicious in taste, rich in nutrients, and highly profitable. Among mushroom farmers there is a saying: "Plant shiitake on one mu of idle land, and become a ten-thousand-yuan household that same year." The key points of winter management are briefly introduced as follows: The climate characteristics of late autumn and early winter are low temperatures, large temperature differences between day and night, and humidity that is easy to control. Under normal circumstances, the mycelium grows slowly, fewer mushrooms emerge, and the fruiting bodies also grow slowly. Under such conditions, keeping the mushroom bed warm and preventing the intrusion of cold wind are key factors among the many growth factors, so attention should be paid to weather changes, and coverage and
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Key Points for Winter and Spring Management and Stimulation Techniques of Shiitake Mushrooms
Winter and spring management of shiitake mushrooms is the management of the fruiting period, which determines the level of economic benefit. The fruiting period is a transitional stage from mycelial development to fruiting body development. When management shifts from the spawn-running room to the fruiting period, the mycelium must reach physiological maturity. The standards for maturity are: first, a slight trembling sensation when holding the mushroom bag in the hand; second, the amount of wart-like growths accounts for 3/4 of the bag surface area and they become soft and elastic; third, pigment secretion covers 2/3-1/2 of the bag surface; fourth, the cultivation time must be 60-70 days, with an effective accumulated temperature of 1200°C. At the
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How to prevent swine influenza in winter and spring?
Swine influenza (swine flu for short) is an acute, highly contagious respiratory infectious disease caused by a virus. The disease has a sudden onset and spreads rapidly, with a morbidity rate in pig herds as high as 100% and a low mortality rate. The disease is a zoonotic infectious disease. During an outbreak, the spread of the virus should be avoided as much as possible, and attention should be paid to protecting both keepers and veterinarians. (1) Epidemiological characteristics: Swine influenza occurs mostly in late autumn, severe winter and early spring. Diseased pigs, latently infected pigs and chronic virus-carrying pigs are the sources of infection. The virus persists
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How to prevent swine winter diarrhea? Pig farmers can refer to these treatment prescriptions
"Winter diarrhea" is called swine winter epidemic diarrhea. The incubation period of the disease is generally 12-18 hours. After infection, adult pigs show symptoms of watery diarrhea; the feces are initially grayish-white, gradually becoming yellowish-green, with a foul, offensive odor. Abdominal distension, vomiting, body temperature rises to 40-41°C in the early stage, and once the diarrhea passes, the body temperature drops. Thirst and desire to drink. Piglets within 10 days of age suddenly vomit, followed by watery diarrhea with curds in the stool. If not treated in time, they become emaciated and die. Using a combination of Chinese and Western methods for treatment, the effective rate is over 96%. Prescription One: When body temperature rises in the early stage of the disease, intramuscular injection of
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Esophageal obstruction in cattle is common in early winter, and cattle farmers need to take preventive measures
(1) When feeding cattle with block feed, it must be chopped before feeding. If you find a cow sneaking corn cobs, carrots, etc., do not suddenly startle it with loud noise. (2) After esophageal obstruction occurs in cattle, if the obstructing object is in the lower part of the esophagus, a stomach tube can be used to inject 200 ml of paraffin oil, and then the stomach tube can be used to slowly push the obstructing object into the stomach. (3) 20 ml of 5% procaine can be poured in, and the cow's head should be raised; after 10 minutes, another 200 ml of paraffin oil can be poured in to encourage the cow to swallow the obstructing object. (4) If the above methods are ineffective, surgical removal can be performed.
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Prevention and Treatment Methods and Technical Key Points for Winter Dysentery in Cattle
1. Prevention. The transmission route of this disease is infection through the digestive tract; therefore, cattle kept indoors in winter should have improved feeding management and environmental disinfection. Sick animals should be isolated and treated promptly, and the equipment and secretions of sick animals should be thoroughly disinfected. Manure must be strictly prevented from contaminating feed and drinking water, and manure management and harmless treatment should be strengthened. 2. Treatment. This disease is mainly treated with symptomatic therapy. An equal-volume mixture of turpentine oil and creolin can be given orally, 25-50 milliliters each time, twice daily. For severely affected animals, fluid replacement should be given promptly, such as 2000-3000
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Key Points for Pre-Farrowing Preparation of Sows in Winter and Spring
In winter and spring, the weather is cold, so wind protection and warmth retention must be well managed. It is best to set up a dedicated farrowing room for the sow. The farrowing room should be warm and dry, with humidity kept at 65%-75%, comfortable and quiet, with plenty of sunlight and fresh air, and a temperature maintained at 22-23°C. For sows in good body condition with well-developed udders, feed should be reduced 3-5 days before farrowing, gradually decreasing to 1/2 or 1/3 of the feeding level during gestation, and feeding of green, juicy feed should be stopped. For those sows in poor body condition and with underdeveloped udders, not only should feed not be reduced before farrowing, but some feed rich in protein and vitamins should also be added.
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Key Management Techniques for Jujube Orchards in Late Autumn and Early Winter (Part Four)
Step Four: Winter pruning. Pruning jujube trees can rationalize the tree structure, improve ventilation and light penetration conditions in the canopy and nutrient distribution within the tree, thereby achieving the goals of early fruiting, high yield, stable production, and high quality in jujube trees. Pruning jujube trees in the early fruiting stage: pruning at this stage should focus on thinning, renewal pruning, heading back, and training, carried out according to the "four keep, five remove" principle. The "four keep" means: keep peripheral jujube heads; keep jujube heads on scaffold branches; keep robust, well-developed jujube heads with growth potential; keep jujube heads with numerous secondary branches and fruiting spurs and strong fruiting capacity. The "five remove
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Types of Internal Parasites in Snakes and Methods of Prevention and Treatment
There are many kinds of parasites in snakes, such as the tongue worm that parasitizes the lungs and trachea of snakes, and the heterodidymous fluke that parasitizes the gallbladder of snakes. However, because the history of artificially breeding commercial snakes is relatively short and the production scale is limited, communication among snake farms regarding snake disease conditions is not extensive, and research on the internal parasite conditions of snakes and their prevention and treatment is scarce and not sufficiently in-depth. Moreover, when some drugs are used to treat parasites in snakes, if the dosage is small, they have no effect on the internal parasites; if the dosage is slightly larger, although it has not yet reached the lethal dose for the internal parasites, it
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Detailed Explanation of Key Techniques for Planting Black Locust (Robinia pseudoacacia) in Autumn and Winter
Black locust (Robinia pseudoacacia) is widely used in landscaping for its strong adaptability, but surveys have found that some black locusts do not grow vigorously after planting, and the reason for this is largely related to improper planting techniques. Key techniques for stem-truncated planting of black locust in autumn and winter: 1. Planting time: plant as soon as possible after all leaves have fallen in November each year. 2. Seedling specifications: for general barren hill afforestation, select seedlings with a ground diameter above 1 cm; for roadside greening, select large seedlings with a ground diameter above 2.5 cm; when planting, keep the root system intact
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