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Understanding High-Fever Diseases in Pigs in Summer and Autumn in One Article
For the pig industry, summer and autumn can span from May to early November each year. Over this half-year period, pig diseases are commonly seen and frequently occur for many reasons. According to rough statistics, the incidence of pig diseases in summer and autumn accounts for about 70% of the whole year. The notable feature of pig diseases during this period is that clinically they are mainly characterized by high fever, with body temperature mostly rising above 41°C, presenting as continued fever or recurrent high fever. Among the commonly occurring high-fever diseases are: swine fever, swine erysipelas, swine pasteurellosis, piglet paratyphoid, swine septicemic streptococcosis
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How to Prevent and Control Common Diseases in Pigs in Winter and Spring
This disease is an infectious disease of piglets caused by Salmonella. Piglets aged 1-4 months have high morbidity and mortality rates. The disease occurs in endemic or sporadic form, often in cold, changeable weather and rainy seasons. Poor environmental hygiene and reduced resistance of piglets can induce this disease. Symptoms and lesions: In the initial acute onset, it is similar to swine fever and requires comprehensive judgment combined with other examinations. The typical symptom is persistent diarrhea with a chronic course, and some piglets also show pneumonia symptoms. Lesions: Acute cases often die of shock, with purple congestion at the extremities and systemic septic
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Control and Treatment Methods for Other Pig Diseases (1)
(1) Listeriosis in pigs. This disease is a zoonotic infectious disease caused by a Gram-positive Listeria bacterium that has no capsule and no spores. In pigs, it mainly presents with the characteristics of meningoencephalitis, septicemia and abortion. Symptoms: Most affected pigs (especially piglets) show septicemic symptoms, with body temperature rising to 42°C, depression, anorexia, rapid breathing, and cyanosis of the skin of the head, ears and abdomen. Gait is abnormal, with the hind legs splayed while sitting on the ground in a stargazing posture, or continuous circling, spasms, gradual paralysis of the hind legs, and after falling to the ground, paddling of the limbs, with death within 2-4 days; pregnant sows abort.
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Causes and Prevention and Control Methods of Duck Hemorrhagic Disease
Duck hemorrhagic disease is an infectious disease caused by a novel herpesvirus (Duck herpesvirus type II) that can infect ducks of all breeds and all ages. Because the feather shafts of both wings, the tip of the upper beak, and the tips of the claws and webbed feet of affected ducks often bleed and appear purplish-black, it is commonly known as duck "black feather disease," duck "black shaft disease," and duck "purple beak and black foot disease"; based on the characteristic necropsy lesions of the disease, it is also called duck hemorrhagic disease. At present, the disease occurs in several southern provinces of China, including Fujian, Guangdong, and Zhejiang, and affected duck flocks are prone to concurrent or secondary bacterial infectious diseases (such as duck infectious serositis
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Method for Treating Curled-Ear Disease in Piglets with Arisaema
After piglets contract curled-ear disease, their body temperature rises, their food intake decreases, and they gradually become emaciated and are prone to becoming stunted pigs. The author used Arisaema (wild taro) to treat this disease, with very good results. The method is: take 100 grams of dried Arisaema (enough for 10 piglets), add 4 kg of water, boil for 20 minutes, remove the residue, divide into 3 meals and mix with feed to feed the piglets; after 3 days the curled-ear phenomenon is eliminated and appetite increases.
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Soybean Disease Control Technology: How to Use Junke Duke
Junke Duke (2% Ningnanmycin aqueous solution) is a brand-new biological pesticide successfully developed by the Chengdu Institute of Biology, Chinese Academy of Sciences. It features high efficiency, a broad spectrum, environmental friendliness, and the ability to promote crop growth and improve quality and income. It has a very good control effect on soybean root rot, phytophthora blight and other diseases. I. Control of Soybean Root Rot 1. Symptoms When infected at the seedling stage, brown oval, elongated or irregular lesions form on the diseased plants and the base of the stems, slightly sunken, then developing into large patches surrounding the main stem and even damaging the lateral roots. In the later stage, the roots of diseased plants turn dark brown, the epidermis rots, and the lateral roots and fibrous roots are few or necrotic. The diseased plants are stunted and yellow, and the lower leaves drop early. Except for a few seriously damaged at the seedling stage, diseased plants generally do not die, but they bear few pods and few seeds, affecting yield.
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Identification and Control Methods of Diseases in the Seedling Stage of Panax notoginseng
Because Panax notoginseng grows year-round in a shaded and humid environment, diseases such as black spot, round spot, phytophthora blight, rust rot and powdery mildew occur and cause serious damage, with annual losses from various diseases reaching 30%-40%, and in severe cases over 80%. The stage of emergence and leaf growth, when the plant is tender, the root system is underdeveloped and stress resistance is poor, is an important period for initial infection by many pathogens. If spring rain comes early and frequently, the disease spreads rapidly and the damage and losses are severe. Panax notoginseng generally takes 60-75 days from sowing to emergence; strengthening
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Common Pest and Disease Control Methods for Greenhouse Mushrooms
The main diseases of mushrooms in greenhouses are: (1) "white rot," also known as brown rot or Mycogone perniciosa disease, which is the most common and most damaging fungal disease among greenhouse mushroom diseases. (2) "ink cap seedlings," also known as wild mushrooms. The main insect pests are mushroom flies, mosquitoes, nematodes, mites, etc. How can these pests and diseases be controlled? Through several years of practice, we have summarized the following experiences for everyone's reference: 1. White rot. Completely eliminating this fungus is not very easy. But we can start from the word "prevention," that is,
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What are the control methods for mushroom damping-off disease?
Mushroom damping-off disease, also known as wilt disease, is caused by infection with Fusarium oxysporum and Fusarium solani f. sp. phaseoli. It is mainly spread through contaminated soil. The fungus has a strong saprophytic ability and can survive for a long time in soil and diseased plant debris. This disease mainly attacks the mushroom stipe; after infection, the pith of the stipe shrinks and turns brown. Early-infected diseased mushrooms show no difference in appearance from healthy ones, except that the fruiting body becomes shorter and smaller, the cap is darker in color, and the fruiting body stops growing and gradually becomes a "rigid mushroom." In addition, after the fruiting body is infected, the pathogen secretes toxins that destroy mycelial growth or cause small primordia to die, thereby affecting the next flush of mushrooms, which either fails to grow or dies. Pink mold patches can be seen on the surface of the growing medium.
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What are the control methods for mushroom rust spot disease?
Mushroom rust spot disease, also called brown spot disease or bacterial blotch, is caused by Pseudomonas tolaasii, an acidophilic species of the genus Pseudomonas. It spreads through insects, tools, the hands of workers and other carriers. The disease is severe when the casing soil of the mushroom bed has a pH below 5.5, when ventilation is poor, when humidity is too high, and when the mushroom caps remain constantly moist and sticky after watering. Its symptoms are: it generally infects only the epidermal layer of the mushroom cap, causing spots of varying size that are initially yellowish-brown and rust-like in appearance, which later gradually turn brown or black, and sometimes scars with mucus also appear on the caps.
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