Diagnosis of acute septic ?R disease in pig farms

The common acute septicemia diseases on pig farms are: swine fever, swine erysipelas, swine pneumoconiosis, piglet paratyphoid, and swine streptococcosis, especially swine fever and swine erysipelas. When such epidemics occur in pigs, how can we make a timely and accurate diagnosis?

1. First consider whether there is swine fever, if you find that the spread is fast, the incidence and mortality are high, the pigs are sick, the spleen is not swollen, the edge is purple and black, the kidney is not swollen, the surface is full of needles Bleeding points, pale anemia, edema of lymph nodes, appearance of a typical marble appearance, or button-like swelling on the mucosa of the large intestine are the most likely causes of swine fever.

Erysipelas erysipelas is easily confused with swine fever, but it has a slower infection in pigs. The incidence is not high, and the duration of the disease is shorter. The splenomegaly at the necropsy, the kidney is red and kidney, and the lymph nodes are uniformly enlarged. Brick red, no significant changes in the colorectal mucosa.

Acute paratyphoid fever: misdiagnosed with swine fever. The disease mainly occurs in pigs aged from 1 month to 4 months and is usually limited to one farm. The incidence rate is not high. The splenomegaly is examined, the colon is thickened, the inflammation of the mucous membranes is obvious, the surface is rough, there are sizes, and the edges are not Qi's necrosis is different from swine fever.

Acute swine plague: Occurred sporadically, acute swelling of the throat, severe pneumonia symptoms, difficulty in breathing, white foam from the nose, and no symptoms of swine fever.

Septic streptococcosis: often occurs polyarthritis, dyskinesia, nasal congestion, hemorrhage, throat, tracheal congestion, a large number of foam, spleen swelling; brain, meningeal congestion, bleeding, and swine fever different.

2. If the pig has diarrhea, consider swine fever or paratyphoid. Because of the obvious symptoms of diarrhea in both types of acute pancreatic diseases. However, when swine fever occurs, large and small pigs are sick, spread rapidly, and have a wide range; piglet paratyphoid fever mainly occurs in pigs from 1 month to 4 months of age, and has a small range. Swine spleen is not swollen; paratyphoid splenomegaly. The lymph node section of the piglet is marble-shaped; the paratyphoid section of the piglet is not marbled, and the large intestine mucosa does not have concentric ring-shaped button-like swelling, but is a necrotic area with uneven sizes on the edge.

3. If the excrement of the diseased pig is dry and the symptoms of chronic arthritis are prominent, there may be cauliflower-like vegetation on the prosthetic heart valve, suggesting that it is not swine erysipelas that is swine streptococcosis. However, streptococcal disease in pigs may present with dyspnea, and necropsy often has fibrinous filamentous exudates between organs, common pericardial, pleural and abdominal effusions.

4. If a sick pig has obvious asthma and difficulty in breathing, it means that it is not swine pneumonia that is swine streptococcosis. Acute swollen throat inflammation can be seen in swine lung disease. Streptococcus suis disease is often accompanied by polyarthritis, claudication, crawling, or inability to stand. Also, there are wire-like exudates between organs, and sometimes there are cauliflower patterns on the heart valve. Inflammatory vegetation. Spleen, blood, chest and abdomen effusion smear microscopy, Gram-positive, paired short chain Streptococcus spp.

5. If there is no significant inflammation in the natural pores of the pigs, and if it is cleaner, it is suggested that it is erysipelas. Due to swine fever, piglet paratyphoid fever, swine lung disease, pigs often appear suppurative conjunctivitis, upper and lower eyelid adhesions, swine streptococcus disease and swine plague are often accompanied by nasal fluid.

[Composition]

The main component of this preparation is human immunoglobulin, which is prepared by cold ethanol fractionation of human plasma from healthy donors. The manufacturing process contains a step to remove anticomplementary activity and a dual viral inactivation process. It contains a suitable amount of glucose or maltose as stabilizer (see table below), but does not contain any antiseptic or antibiotic. The distribution of IgG subclasses is close to the serum level of normal subjects and maintains the bioactivity of Fc fragment of IgG.

[Indications]

1. Primary agammaglobulinemia, such as X-linked hypogammaglobulinemia, common variant immunodeficiency diseases, immunoglobulin G subclass deficiency, etc.

2. Secondary immunoglobulin deficiency diseases, such as severe infection, septicemia of newborn, etc

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