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Detailed Explanation of the Causes and Comprehensive Prevention and Control Measures of Swine High Fever Syndrome
Recently, many pig farms have consulted about the causes and prevention and control technical issues of swine high fever syndrome. Based on my own practical experience, the author puts forward some views for your reference. Causes: Swine high fever syndrome is essentially a swine disease caused by mixed infection of multiple viruses, bacteria, and protozoa triggered by immunosuppressive swine diseases. Biological factors: classical swine fever virus, circovirus, porcine reproductive and respiratory syndrome virus, pseudorabies virus, Eperythrozoon, Toxoplasma, Streptococcus, Salmonella paratyphi, Mycoplasma, Actinobacillus pleuropneumoniae, Haemophilus parasuis, Pasteurella, etc.
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What to do about Porcine High Fever Syndrome? Detailed treatment measures
Although there are currently no specific drugs or mature treatment protocols available, after an outbreak of Porcine High Fever Syndrome occurs in production, taking active response measures according to the situation on the farm is still very beneficial for reducing the incidence rate and mortality rate and decreasing economic losses. (1) Disinfection is a way to cut off the transmission route of the disease and kill pathogens. After an outbreak occurs on a pig farm, disinfection work should be strengthened, and the concentration of the disinfectant solution should be increased. Strict disinfection should be carried out 2 to 3 times a day in the affected area and surrounding environment, and the living and management area of the pig farm should be disinfected once a day. Disinfection
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What are the adjunctive treatment methods for pig high fever syndrome?
When pigs suffer from severe colds, pneumonia, influenza, heatstroke, and febrile diseases such as erysipelas and swine pasteurellosis, they often run a fever, sometimes with body temperature reaching above 42°C and remaining persistently high. In clinical practice, drawing on the methods used by human physicians to manage high-fever patients, adjunctive treatment such as pouring cold water over the head and applying cold compresses was used for pigs with high fever syndrome. After treating more than 10 cases, the results were good. The specific method is: first fill a kettle with well water or cold water, slowly pour it over the sick pig's head, and gently pat it. After pouring is complete, soak a towel or piece of cloth in well water or cold water, fold it 2-3
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What are the causes and stress factors of swine high fever syndrome?
Causes: Swine high fever syndrome is essentially a swine disease caused by mixed infection with multiple viruses, bacteria and protozoa triggered by immunosuppressive swine diseases. Biological factors: mixed infection with pathogens such as classical swine fever virus, circovirus, porcine reproductive and respiratory syndrome virus, pseudorabies virus, Eperythrozoon, Toxoplasma, Streptococcus, Salmonella paratyphi, Mycoplasma, Actinobacillus pleuropneumoniae, Haemophilus parasuis and Pasteurella. There can be more than 15 kinds of pathogens, among which classical swine fever virus has the highest infection rate and is the most typical; mixed infection with Toxoplasma, Eperythrozoon, porcine reproductive and respiratory syndrome virus, circovirus and classical swine fever virus is common, and there is also mixed infection of classical swine fever virus with piglet paratyphoid bacillus, often dominated by classical swine fever virus, together with one or more than two kinds of viruses, bacteria and protozoa, so the mortality rate is high, the cure rate is low, and it may even wipe out the whole herd.
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Common Diseases Causing Persistent High Fever in Pigs and Their Prevention and Treatment Methods
(1) Swine fever: The pig's body temperature rises to 40-42°C and does not subside persistently; appetite decreases or the pig stops eating, mental depression, shivering, lying prone and sleepy, huddling together or burrowing into straw; when standing and walking, the back is arched and the waist bent, limbs are weak, movement is slow, gait is unsteady and swaying, conjunctiva is red with purulent discharge, first constipation, then diarrhea; at the base of the ears, abdomen, inner sides of the limbs and other areas there are purplish-red bleeding spots that do not fade under finger pressure. Lesions: systemic lymph nodes are enlarged with peripheral hemorrhage, showing a red-and-white mottled marble-like appearance; the kidneys become pale with pinhead-sized bleeding spots on the surface; the spleen is enlarged and hemorrhagic, with the edge
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How to Prevent and Treat Porcine Unknown High Fever Syndrome? A Detailed Guide to Practical Methods
"Porcine unknown high fever," also known as porcine high fever syndrome, is a disease with both high morbidity and high mortality, occurring mainly in growing-finishing pigs and some sows. The main clinical signs in affected pigs are elevated body temperature, listlessness, poor appetite or complete loss of appetite, difficulty breathing and panting; some pigs also show reddened to purplish skin, and a few have bleeding points at the hair follicles. The pathogens are mainly mixed infections and secondary infections involving multiple viruses, bacteria and parasites, including classical swine fever virus (HCV), porcine reproductive and respiratory syndrome virus (PRRSV), swine influenza virus (SI
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Latest Research Progress on Porcine High Fever Syndrome
The "high fever syndrome" that first broke out in southern China in the summer of 2006 has not yet subsided, and it is currently the issue of greatest concern to us pig farmers. Some readers have also called our editorial office to inquire about research progress on the disease! At the "Beijing Animal Husbandry Association Pig Industry Annual Meeting", Academician Chen Huanchun of Huazhong Agricultural University and Professor Yang Hanchun of China Agricultural University were invited to each express their personal views on the currently prevalent "high fever syndrome". 1 Epidemic situation First, geographically
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Which diseases cause high fever in pigs without purple patches on the skin?
1. Japanese encephalitis: The body temperature of affected pigs is 40-41°C, with teeth grinding, circling, visual impairment, and blind charging. Sows abort, and boars develop orchitis, which gradually atrophies and hardens, causing loss of breeding ability. For treatment and drug prevention, antiviral preparations such as amantadine and ribavirin combined with interferon, along with traditional Chinese medicine preparations for clearing heat and detoxifying, and antipyretic-analgesic preparations, should be used together, which has a certain therapeutic effect. 2. Pseudorabies: It mostly occurs in piglets aged 1-4 weeks, and piglets over 60 days of age show mild symptoms. Body temperature is 41-42°C. In the early stage of the disease, the pigs are restless and excitable
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What are the treatment methods for unknown high fever in pigs?
Postpartum fever in sows is a disease that easily occurs during the high-temperature period in summer and autumn. Within 1-3 days after farrowing, high fever caused by uterine infection is called postpartum fever. Clinical symptoms are as follows: elevated body temperature, 40.5-41.5°C, preference for lying down, reduced appetite or no eating, body trembling, accelerated breathing, reduced milk production, and purulent discharge flowing from the vulva. Postpartum fever in sows is often caused by inadequate disinfection during farrowing assistance. During farrowing, an oversized fetus injuring the birth canal, or the assistant's arm not being strictly disinfected and being inserted into the birth canal to probe, can both cause postpartum fever. Especially when the weather is hot and humid
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What disease causes a pig's high fever that won't subside? How to prevent and treat it
(1) Swine fever: The pig's body temperature rises to 40-42°C and does not subside persistently; appetite decreases or the pig stops eating, listlessness, shivering, lying down and prone to sleeping, crowding together in a pile or burrowing into straw; when standing and walking, the back is arched and the body bent, limbs are weak, movement is slow, gait is unsteady and swaying, conjunctiva is red with purulent discharge, first constipation, then diarrhea; at the base of the ears, abdomen, inner sides of the limbs and other areas there are purplish-red bleeding spots that do not fade under finger pressure. Lesions: systemic lymph nodes are enlarged with peripheral hemorrhage, red and white mottled in a marble-like pattern; the kidneys are pale in color with pinpoint-sized bleeding spots on the surface; the spleen is enlarged
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