Diagnosis and treatment of chronic mycotoxin poisoning in pigs
A disease occurred in a large pig farm with acute conjunctivitis and diarrhea as the main symptoms of fattening pigs and sows, with an incidence of 20%, a mortality rate of 0.5% and a disease elimination rate of 1.2%. According to the clinical symptoms, pathological examination combined with medical history investigation diagnosed porcine mycotoxin poisoning, the report is as follows.
1 clinical symptoms
Fattening pigs and sows developed acute conjunctivitis, eyelid swelling, conjunctival congestion, photophobia, mucous purulent secretions, long course of disease, corneal opacity, blindness, diarrhea, and feces gradually changed from atherosclerotic to watery. Finally, thin stools with mucus and blood are excreted, and contain undigested feed. Normal body temperature, slight loss of appetite or abstinence, whole litter of diarrhea in suckling piglets, neurological symptoms such as angular arch reversal in some pigs, redness and swelling of labia and excretion of dark yellow urine in some cases. The course of disease is 10 to 15 days, the growth of adult pigs is slow, and non-milk syndrome often occurs in sows.
2 pathological changes
The whole body has pale skin, enlarged and brittle liver, uneven color, diffuse renal hemorrhage, lymph node edema, pleural and peritoneal effusion, hemorrhagic infarction of spleen, soft and light myocardium, and poor hemagglutination. There are catarrhal hemorrhagic inflammatory changes in the gastrointestinal tract, brown urine in the bladder, meningeal edema and hyperemia.
3Diagnostic
According to the investigation of medical history, the old corn supplied by the grain depot (mildewed, dried and stored for five or six years), no disease was found in piglets fed with new corn. Combined with clinical symptoms and autopsy changes, chronic mycotoxin poisoning was diagnosed.
4. Prevention and control
The diseased pigs were all fed with sodium sulfate, sodium bicarbonate and dysentery powder. Some severe cases could be treated with infusion, cardiotonic, detoxification and antibiotics, and the disease was effectively controlled after 7 days.
- Prev
Adult chicken with Dumycin poisoning
Madumycin is a new type of special anti-coccidiosis drug, which has the characteristics of high efficiency and low price, so it is very popular among chicken farmers. However, due to the small dosage of this drug, it is often used to increase the dose in some professional chicken households, and poisoning often occurs. This paper introduces a case of adult chicken Madumycin poisoning as follows: the incidence of 2600 laying hens raised by Wang in the seventh township of Weixian County, Hebei Province. the chickens were routinely raised and immunized according to the normal immune procedure and were raised to 103 days of age.
- Next
Commonly used clinical drugs in ducks (macrolides)-tylosin (Tynon)
Source and character: this product is extracted from the culture medium of Streptomyces fredii. It is white crystal, weakly alkaline and slightly soluble in water. Its salts are soluble in water. Tylosin tartrate, tylosin hydrochloride and tylosin phosphate are commonly used in clinic. Function and use: this product is a special antibiotic for livestock and poultry, which has antibacterial effect on Gram-positive bacteria and some Gram-negative bacteria, such as Staphylococcus aureus, Streptomycin pyogenes, mycoform, spirochete, etc., especially effective on mycoplasma. But it has no effect on Gram-positive bacteria.
Related
- On the eggshell is a badge full of pride. British Poultry Egg Market and Consumer observation
- British study: 72% of Britons are willing to buy native eggs raised by insects
- Guidelines for friendly egg production revised the increase of space in chicken sheds can not be forced to change feathers and lay eggs.
- Risk of delay in customs clearance Australia suspends lobster exports to China
- Pig semen-the Vector of virus Transmission (4)
- Pig semen-the Vector of virus Transmission (3)
- Five common causes of difficult control of classical swine fever in clinic and their countermeasures
- Foot-and-mouth disease is the most effective way to prevent it!
- PED is the number one killer of piglets and has to be guarded against in autumn and winter.
- What is "yellow fat pig"? Have you ever heard the pig collector talk about "yellow fat pig"?