Symptoms of African classical swine fever in sows

On the first day, the body temperature was about 38.5 ℃, and the appetite decreased. The next day: the body temperature rose to more than 40 ℃, lying on the ground can not afford, the whole body trembling, ear tips are reddish purple, belly red, feces relatively dry. The third day: the body temperature is about 40 ℃, the rim of the eye is red, the belly color becomes dark, the whole ear is grayish purple, the buttocks is reddish purple, feces are bloody. Day 4: will die. Sows waiting for delivery: the delivery period will be delayed, abnormal during production, and constantly rubbing the overcast.

Symptoms of African classical swine fever

1. Sows

In general, most of the infected sows start from the sow. On the first day of the disease, the body temperature of the sow is 38.5 ℃, the spirit is better and the appetite is poor. Wait until the next day, the sow's body temperature rises to 41.5 ℃, lying on the ground can not afford, the whole body shivers, the ear tip is reddish purple, the belly is red, the feces is relatively dry. On the third day, the sow's body temperature was about 40 ℃, the rim of the eye was red, the belly became dark, the whole ear was grayish purple, the buttocks were reddish purple, and the feces were bloody, showing a counting plate type, and died on the fourth day.

Sows will all have a miscarriage within three months of pregnancy. Sows that have been pregnant for more than three months will not eat food at the initial stage and will have a miscarriage in the later stage. Second, some individuals will spit yellow water, body temperature between 41.5-42 ℃, dry feces, ears, belly and rear buttocks will change color, as long as the body temperature drop will immediately die. General morbidity 4 days or so will die, slow 8 days or so to die, when the death is lying posture.

The delivery period of sows waiting for delivery will be delayed by about 2-3 days, there will be more abnormal during production, constantly rubbing the overcast, resulting in massive hemorrhage and death, very few die after giving birth smoothly, and some die only on the fourth day after delivery.

The immunity of sows is relatively low more than half a month after birth, and generally occurs after weaning, and those who are not weaned only delay the onset of the disease. According to clinical data, if the sows are not weaned or sick about 43 days after giving birth, about 1 or 2 piglets will die.

Sows more than 3 months pregnant onset period is relatively late, the spirit is relatively good, do not eat food, about 4-5 days after the body will be reddish purple.

2. Finishing pigs

Fattening pigs begin to pile up at the initial stage of the disease, with a body temperature of 41.5-42 ℃, some similar to influenza symptoms, some wheezing, but more obvious the next day, with antipyretic injections relieving, ear tips turning out, body redness and good appetite.

The third day did not pile up, the body appeared dense bleeding spots, serious redness, good appetite, trembling all over, after injection treatment, needle bleeding, shriveled belly, purple ears, red buttocks, urine blood and black stool. It is better to use Radix Isatidis and Bupleurum for high fever.

3. Care for pigs

The symptoms of the disease are not very obvious, the whole body is pale, the belly is yellow with purple spots, the performance of sick pigs is different, most of the ears will not change color when they die, and they will be soft all over.