Prevention and treatment of aflatoxin poisoning in pigs

1. Corn, soybeans and cottonseeds are all susceptible to Aspergillus flavus. The toxin can be produced in large numbers at a suitable temperature of 24 ℃-30 ℃ and a relative humidity of more than 80%. Pigs fed with the above-mentioned seeds and by-products can be poisoned after about 15-25 days.

two。 Acute cases of symptoms can be seen to fall to the ground during exercise or die within two days after the onset of symptoms. Sick pigs do not eat, pale mucous membranes, weak hindquarters, unstable walking, dry feces, rectal bleeding, sometimes sick pig heads against the wall, chronic cases walking stiff, gnawing dirt, rubble and other foreign food, sick pigs arch back, curled abdomen, dry feces, agitation, some sick pig eyes and nose around the skin red, and then turn blue.

3. In the acute cases, a large amount of bleeding could be seen in the chest and abdominal cavity, subcutaneous and muscle bleeding in the front shoulder of the hind leg, blood in the intestinal tract, needle-like or plaque-like bleeding in the liver and serosa, endocardial and epicardial bleeding. Occasionally there is hemorrhagic infarction in the spleen.

4. There is no antidote for the prevention and treatment of the disease, and symptomatic treatments such as laxative, venous bloodletting and sugar supplement can be used. Usually, the management of feed should be strengthened, the sun should be turned frequently, the feed room should be ventilated, and the floor should be dry to prevent rain leakage and moisture. Seriously moldy feed should be discarded, mildly moldy feed should be crushed first, then soaked in clean water (1:3), and changed water repeatedly until the water is colorless. The treated feed must still be fed with other feeds.

Herbal medicine available: 150 grams of Houttuynia cordata, 100 grams of dandelion, 100 grams of sheep's milk, 50 grams of Artemisia angustifolia, 50 grams of Platycodon grandiflorum, which has detoxification effect, but after bloodletting, it needs to be carried out at the same time as sugar supplement; or 0.1% copper sulfate solution 0.5% color 1.0% potassium iodide, aqueous solution drinking, or mixed feed feeding, the disease is mild and effective.