-
How can sheep farmers prevent sheep diseases? Six major measures to master
1. Doing a good job of scientific feeding and management is an important foundation for preventing sheep diseases. Practice has proven that most sheep diseases are caused by improper feeding and management. Based on the living habits of sheep, do a good job with the three words "eat, housing, movement": Eat - feed enough grass, supplement concentrate, and standardize the formulation of the daily ration. Housing - ventilation in summer, warmth in winter, clean and hygienic pens that are dry. Movement - housed sheep flocks need exercise, and sheep in late pregnancy should be prevented from falling. 2. It is forbidden to buy sheep from epidemic areas. Sheep purchased from non-epidemic areas should also first be isolated and raised for 1 month, and only after it is truly confirmed that they are disease-free
-
Prevention and Treatment Methods for Non-Infectious Febrile Diseases in Pigs
I. Unexplained High Fever in Pigs Unexplained high fever in pigs refers to a fever syndrome of unknown cause with sudden onset, characterized by high fever (body temperature reaching as high as 40°C-42°C), reddened skin or red patches, dry hard black feces, and scant yellow urine, commonly known as "carrot disease" or "red patch disease." The disease can occur in all four seasons, and treatment with antibiotics and sulfonamides to reduce fever is very ineffective or even useless. 1. Causes A variety of causes can trigger fever, which can be clinically divided into pyrogenic fever and non-pyrogenic fever. Pyrogenic fever is caused by pyrogens such as bacteria, viruses,
-
Detailed Explanation of Control Measures for 3 Soybean Diseases
Soybean root rot: This disease can occur and cause damage throughout the entire growth period of soybean, with yield reductions of 25%-75% or more. The protein content of affected seeds is significantly reduced. The main symptoms are dark brown lesions appearing at the base of the stem, spreading upward to varying degrees to the lower lateral branches, causing the pith of the diseased stem to turn brown, the base of the petiole to constrict, and the leaves to droop but not fall off. Chemical control mainly uses 58% ridomil manganese zinc or 72% curzate wettable powder, both applied as seed treatment at 0.3%-0.4% of seed weight. Soybean sclerotinia: Soybean sclerotinia
-
Early prevention and control of soybean diseases: seize the opportunity to reduce yield losses
To achieve high yields in soybean, the main challenge is to properly manage the four aspects of "seed, water, fertilizer, and light." The "deep-narrow-dense" cultivation technique is a comprehensive high-yield supporting cultivation model formed on the basis of this principle. It takes the selection of dwarf varieties as the breakthrough point, uses air-suction seeders and general-purpose machines as the carrier, and combines "deep" (i.e., deep loosening, deep fertilization, and layered fertilization), "narrow" (i.e., narrow rows), and "dense" (i.e., increased planting density) into a comprehensive high-yield supporting technique. It is a cultivation technique that uses large seeders as the carrier. "Seed" means variety,
-
Spraying cotton with fertilizer boosts yield and reduces pests and diseases
Spraying nitrogen fertilizer: Urea has the effect of destroying insect chitin. When cotton aphids (especially summer aphids) occur, mix urea, laundry detergent and water in a ratio of 4:1:400 to prepare a "wash-urea mixture" and spray it, which has a clear killing effect. Spraying phosphorus fertilizer: During the adult occurrence period of cotton bollworm, using 1%-2% superphosphate leachate as a foliar spray fertilizer can convert oxalic acid into calcium oxalate and cause it to lose its attraction to cotton bollworm. The residual effect of each phosphorus spray is generally 2-3 days. Spraying potassium fertilizer: Use 10 kg of plant ash, add 50 kg of water, soak
-
After the first harvest of oyster mushrooms, beware of bacterial diseases
During the fruiting stage, oyster mushrooms are susceptible to infection by harmful bacteria, so bacterial diseases such as soft rot and spot disease often occur. On December 13, the reporter saw in some mushroom sheds in Zhujiaya Village, Tianliu Town, Shouguang City that the two ends of some mushroom bags after the first harvest of oyster mushrooms showed dark brown watery rot, making it difficult for the second flush to fruit. The reporter's analysis suggests that this situation is soft rot caused by bacterial infection. When oyster mushroom soft rot occurs, the mycelium degenerates, the surface of the substrate bag darkens, softens, and becomes water-soaked and rotten, accompanied by a foul odor. To summarize the causes of the disease in their sheds
-
Why oyster mushroom transplanting gives such good yield increases
Practice has shown that thinning and transplanting densely clustered mushroom buds gives good yield increases. The transplanting method is as follows. 1. Transplant at the right time: transplant when the mushroom buds have just appeared. 2. Planting material: there are no strict requirements; they can be planted on either spawn material that has not yet fruited or material that has already been harvested. Spawn material that has not yet fruited helps the mycelium wounds from transplanting heal and the fruiting bodies develop well. 3. Transplanting method and management: transplanting should be done by digging holes in the spawn brick or spawn bed. Place the small clump of mushroom buds that has been picked into the hole that has been dug, and press firmly around it so that the mushroom buds and the spawn material on the surface of the spawn brick or bed
-
Identification and Control Methods of Slime Mold Diseases in Oyster Mushrooms
Symptoms The slime mold colonies harming oyster mushrooms are white, and during the vegetative growth stage they mostly spread outward in a feather-like pattern, generally difficult to distinguish from oyster mushroom mycelium. In the middle and late stages of oyster mushroom growth, the slime mold develops rapidly. When the mushroom bed has high humidity, the slime mold spreads from the bottom layer of the substrate to the surface layer, beginning to appear on the surface of the mushroom bed as bright orange-yellow gelatinous filaments, which then rapidly produce powdery gelatinous masses, namely the slime mold spores entering the reproductive stage. The gelatinous masses spread rapidly from the stipe to the cap of the oyster mushroom, gradually enveloping the entire fruiting body and causing the fruiting bodies
-
Detailed Methods and Techniques for Preventing and Controlling Pests and Diseases of Mountain Lilies
Lily gray mold, anthracnose, and late blight are common diseases of plants in the Liliaceae family. If not controlled in time, they will cause reduced yields. (1) Lily gray mold, also known as leaf blight, belongs to the Deuteromycetes. It mainly occurs on stems, leaves, and flowers, and mostly damages the tips of young leaves, causing the stem growing points to soften and rot. When it occurs on leaves, it forms yellow or reddish-brown spots with water-soaked margins. In humid weather, gray mold-like substances are produced on the diseased parts. Control: In the early stage of disease, spray 1:1:150 Bordeaux mixture or mancozeb 600-800 times dilution, spraying 2-
-
What are the basic methods for diagnosing raccoon dog diseases?
Key points for attention in practical application. Reasonable combination of different protein feeds. Because different protein feeds differ in quality, mainly in essential amino acid content, when formulating dairy cow feed, the reasonable combination of protein feeds must be considered to ensure that dairy cows take in sufficient and appropriate protein nutrients. In actual production, when the feeds we use more of are corn meal, corn silage and DDGS, since these feeds contain more methionine and are relatively deficient in lysine, lysine becomes
条件筛选