Excuse me, ring disease, parapigs, what symptoms can be accurately identified?

Key points of clinical diagnosis of ring (1) PMWS mainly occurs in pigs at 5 to 16 weeks of age, and the growth and development are good before weaning. (2) Piglets in the same litter or in different litters have respiratory symptoms, diarrhea, stunting, and weight loss. Sometimes pallor or jaundice appears.

Antibiotics** are ineffective or ineffective. (3) Lymphadenopathy was enlarged, spleen and lung were distended, the interstitium was widened, and the surface was scattered in brown mutation areas of different sizes. Other organs may also have varying degrees of lesions and damage.

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Annular pathological changes Autopsy lesions The main pathological changes of this disease are emaciation, anemia, pallor and jaundice in pigs (20% of pigs suspected of PMWS); Abnormal swelling of lymph nodes, swelling of visceral and peripheral lymph nodes to 3 4 times the normal volume, the cut surface is uniform white; The lungs are grayish-brown inflamed and swollen, diffuse lesions, with increased specific gravity and hard rubber-like; The liver is dark, light yellow to orange in appearance, atrophied, and interlobular connective tissue proliferation; renal edema (some up to 5 times normal), pale, with foci of necrosis under the capsule; The spleen is mildly enlarged and has a meaty texture; Enlarged and necrotic lesions are also common in the pancreas, small intestine, and colon.

There is no drug**, only sows are injected with circovirus vaccine 45 days before giving birth, and then injected again 15-20 days after farrowing (piglets and sows are injected at the same time) View the original post

Circovirus mainly infects nursery pigs, mainly manifested as piglet multiple system failure terminal syndrome, dermatitis nephropathy terminal disease, intractable diarrhea, and parapigs are twin diseases, manifested as swollen joints, cough, abdominal breathing. Congenital tremor in newborn piglets, ** blackening should also be considered as circovirus disease. Nowadays, many swine diseases are caused by it...

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A good pig farm with purification generally does not appear circovirus, but if it is not purified, circovirus will become a headache for pig farmers, so what are the symptoms of porcine circovirus?

The symptoms of porcine circovirus are divided into 4 types, the first is that the piglets begin to shake incessantly after birth; The second is that after weaning, the piglets begin to eat more and more thin, only eating for a long time, until they are thin and die; The third is the ** type of circovirus, the main symptom is the red dot on the pig, and then slowly ulcerated and scabbed in the center; The fourth is the respiratory symptoms of circovirus.

There are two main clinical symptoms of porcine circovirus infection in pig farms, one is post-weaning multiple system failure syndrome in nursery piglets, and the other is dermatitis nephrotic syndrome in fattening pigs, although the pathogen is the same, but the symptoms of the two diseases are different:

1. Post-weaning multiple system failure syndrome.

1. Clinical symptoms.

Diseased piglets will be stunted in growth and development, gradually emaciated, pale and lack of luster, and some sick pigs will also show yellow thin manure.

2. Pathological changes.

Half of the whole body of the sick pig is swollen, especially the inguinal lymph nodes will be swollen and yellowish. The lungs have raised, rubber-like lumps on the surface of the lungs, which are called rubber lungs. The kidneys are enlarged with white necrotic foci. There will be bleeding ulcers in the fundus of the stomach.

2. Dermatitis nephrotic syndrome.

1. Clinical symptoms.

Sick pigs will show ** lesions, papules or plaques of different sizes appear on the back, abdomen, limbs, etc., and over time the middle of the rash will gradually become black and red lesions around it.

Sick pigs generally have a normal body temperature and normal feed intake, but it will affect the growth and development of pigs. In severe cases, it can also cause diarrhea and difficulty breathing, and death can occur.

2. Pathological changes.

The main reason is that the kidneys are enlarged, with white necrotic foci on the surface, and some kidneys have hemorrhagic spots. Swollen inguinal lymph nodes. Symptoms of jaundice with an orange liver.

Prevention and control of circovirus disease.

1. Vaccine prevention and control. With the development of vaccines, the gap between the quality and efficacy of domestic vaccines and imported vaccines is getting smaller and smaller, and domestic vaccines can also be selected considering the cost.

2. Drug prevention and control. Commonly used are heat-clearing and detoxification and tonic traditional Chinese medicines, such as Astragalus polysaccharide powder, Banlan root granules, Fuzheng Jiedu San, Buzhong Yiqi San, Coptis detoxification powder and other drugs.

Sow abortion, dermatitis, piglet dysplasia congenital tremor. High fever, jaundice and various ailments. If you get sick, start with health and epidemic prevention. Culling diseased sows. Nutritionally comprehensive, etc.

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