What are the common diseases that cause vomiting in pigs?
A variety of swine diseases can cause vomiting. Causes of vomiting in pigs can often be based on medical history, clinical symptoms and necropsy changes to make a suspicious diagnosis. However, it is not possible to determine the possible cause, because the clinical symptoms caused by a pathogen may also have more than one complication. In this article, as far as possible to collect data, provide a reference for the differential diagnosis of vomiting in pigs.
Diseases that cause vomiting in non-weaned pigs
1, hemagglutinating encephalomyelitis (REV) encephalitis type
The age of onset is 4-14 days old. It is usually sudden vomiting. It mainly affects the nervous system. The sick pigs have lethargy, galloping, constipation, cyanosis, coughing, teething, gait stiffness, screaming and sliding of the forelimb on touch, hind limb paralysis. Symptoms such as convulsions, sows generally show no symptoms.
2, vomiting and depletion type of hemagglutinating encephalomyelitis (REV)
The age of onset is between 4 and 14 days old. It is a sudden onset and mainly affects the nervous system. The sick pig is thirsty but unable to drink water. It has poor growth, may have diarrhea, and then the symptoms of constipation. Sows generally do not show symptoms.
3, gastroenteritis and epidemic diarrhea
Pigs of all ages can develop the disease. Young pigs are more severe. Sudden vomiting occurs. The main cause is gastrointestinal tract infection. Severe diarrhea occurs in the affected pigs. The pigs are diarrhea with large amounts of water. The sows occasionally have symptoms of anorexia, vomiting, and diarrhea.
4. Pseudorabies
Pigs of all ages were affected. Young pigs were more severe. The sick pigs showed moderate frequency of vomiting. They mainly attacked the nervous system. The pigs suffered from dyspnea, runny nose, diarrhea, tremors, central nervous system symptoms, and seizures. Sow occasional anorexia, vomiting, diarrhea and other symptoms.
5, rotavirus enteritis
Suckling pigs are rare, occasional vomiting symptoms, mainly gastrointestinal tract infection, porcine watery diarrhea, sows are generally asymptomatic.
6, swine fever
Pigs of all ages were affected. The pigs showed moderate vomiting and severe systemic lesions. The pigs in addition to vomiting had lethargy, visual mucosal blemishes, fever, diarrhea, and bleeding. The sow's symptoms are similar to those of piglets.
Diseases that cause vomiting in weaned pigs and adult pigs
1. Infectious gastroenteritis and epidemic diarrhea
Pigs of all ages can develop the disease. Young pigs are more serious. Moderate vomiting in sick pigs, occasionally seen in larger pigs, mainly in the gastrointestinal tract. Suckling pigs have watery diarrhea and are dehydrated for 1 week. Adult pigs have short-term anorexia, mild diarrhea, and lactating pigs may have no milk or diarrhea.
2. Pseudorabies
All ages pigs can develop the disease. Young pigs are more severe. Occasionally, there are vomiting symptoms that mainly affect the nervous system. Suckling pigs exhibit central nervous system symptoms. Adult pigs have sneezing, cough, anorexia, constipation, occasional neurological symptoms, and pregnant sows may abortion.
3, rotavirus enteritis
Suckling pigs, especially pigs after weaning, often develop. Occasionally, there are vomiting symptoms, mainly affect the gastrointestinal tract, diarrhea in suckling pigs, dehydration, adult pigs usually have no clinical manifestations.
4, vomiting toxins, T-2 diacetoxy thiorubrin poisoning
All ages of pigs can occur, with moderate frequency of vomiting or frequent vomiting, mainly gastrointestinal tract, blood. Suckling pigs, adult pigs have anemia, diarrhea (possibly with blood), are not robust, grow slowly, occasionally have antifeedant performance.
5, swine fever
All ages of pigs can occur, the sick pigs may have moderate or frequent vomiting, the systemic symptoms of the pigs are obvious, manifested as lethargy, anorexia, constipation, diarrhea, alternating, shaking, gait, phlegm, hind limb paralysis, can be Visual cyanosis, abortion and other symptoms.
6, the most acute actinobacillus pleuropneumoniae disease
All ages can occur, but outbreaks are common in finishing pigs. Occasionally there are vomiting symptoms, mainly against the respiratory system, the sick pig also showed difficulty breathing, cough, bleeding nose and mouth bleeding fluid, issued to other symptoms.
7, anthrax
Pharyngeal anthrax and intestinal anthrax can be seen with moderate frequency or frequent vomiting, most of the sick pigs are systemic diseases, throat anthrax showed neck edema, difficulty breathing, intestinal anthrax showed anorexia, bloody diarrhea and other symptoms.
8. Roundish nematode disease
Weaning pigs are often found in fattening pigs. Occasionally, there are vomiting symptoms, mainly affecting the gastrointestinal tract. The sick pigs also have diarrhea, rapid weight loss, anorexia, and anemia.
9, gastric ulcer
The fattening pigs and adult pigs often have frequent vomiting symptoms. The disease mainly affects the gastrointestinal tract, and the suckling pigs do not develop diseases. The pigs also have anaemia, coal tar excretion, molars, and weight loss.
10, thiamine deficiency
Usually found only in experimental pigs, with moderate or frequent vomiting symptoms, systemic disease, sick pigs have anorexia, slow growth, diarrhea, hairpins and other performance.
11, riboflavin deficiency
Usually only seen in experimental pigs, showed moderate or frequent vomiting symptoms, systemic disease, pigs grow slowly, cataracts, gait stiffness, skin scales, rash, ulcers and bald hair and other performance.
Poisoning associated with vomiting
Inorganic arsenic poisoning: It mainly affects the gastrointestinal tract and central nervous system. Pigs may be exposed to ant agents, herbicides, insecticides, etc.
Sputum poisoning: The main infringement of the gastrointestinal tract, pigs may have been exposed to alloys, paints, spit stone and so on.
Tin poisoning: It mainly affects the gastrointestinal tract. Pigs may be exposed to paint, solder, batteries, fungicides, etc.
Fluorosis: mainly affects the gastrointestinal tract and the movement system. Pigs may be exposed to water or feed contaminated by industrial waste.
Levamisole poisoning: It mainly affects the gastrointestinal tract and central nervous system, and is commonly seen as an anthelmintic drug poisoning.
Pyridazine poisoning: mainly invades the gastrointestinal tract and is commonly seen as an anthelmintic drug poisoning.
Organophosphate poisoning: The main attack on the nervous system, pigs may have been exposed to pesticides.
Carbados poisoning: The main infringement of the gastrointestinal tract, overdose for treatment of swine dysentery.
Ethylene glycol poisoning: It mainly affects the nervous system. Pigs may have been exposed to antifreeze.
Solanum poisoning: It mainly affects the gastrointestinal tract and the central nervous system. Pigs may be exposed to the phytophagous or permanent grass plants.
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