Symptoms and prevention measures of swine mycoplasma pneumonia

2020-09-28

Qingdao Zhongren Animal Medicine Co., Ltd

Zhongren kinetic drug

Symptoms of 1. Mycoplasma hyopneumonia

The incubation period of the disease varies according to the climate, feeding management and individual pigs at the time of infection, generally averaging 4 to 10 days, and some are longer, up to more than 1 month.

Most of the disease is chronic, the main clinical symptoms are cough and asthma, body temperature, appetite and spirit have no obvious changes, with the development of the disease, the main symptoms are obvious and serious.

In the early stage of the disease, the main symptom of sick pigs, especially piglets, is cough, which occurs most frequently when eating, running violently, leaving circles in the morning, at night and when the weather changes suddenly, mostly single dry cough. The body temperature, spirit and appetite of sick pigs have no obvious changes, which are often ignored by people at this time.

In the middle of the onset, panting symptoms appeared, and the abdomen fanned rhythmically with breathing movements, showing obvious abdominal breathing, especially when standing still or lying still. The breathing frequency was 40-70 times per minute, even reaching about 100 times. Piglets were more. In general, the spirit, appetite and body temperature of sick pigs have not changed much.

Late onset, shortness of breath, increased breathing. The seriously ill pig was sitting dog posture, mouth breathing or mouth on the ground and gasping, expression is very painful, cough frequency is small and weak, seems to have secretions blockage, difficult to cough out. Auscultation of dry or wet rales in the lungs, breathing sounds like a bellows. At this time, the sick pig's spirit is exhausted, his appetite is exhausted, his body temperature may exceed 40.5 ℃, his coat is coarse and disordered, his conjunctiva is cyanotic, he is afraid of cold, he is unable to walk, and finally he may die of exhaustion and suffocation.

Preventive measures for 2. of Mycoplasma pneumonia:

1. Enhanced biosecurity measures

Adhere to self-breeding and self-raising, strictly introduce foreign sick pigs. If it is necessary to introduce pigs, we must strictly control isolation, quarantine, domestication, mixed herds, etc., and establish biological safety belts around pig farms.

2. Strengthen feeding management

To ensure the reasonable nutrition of pigs at all stages and avoid the spoilage of feed, it is recommended to add Moulan Bao or Mould No. 1. Do a good job in the control of the small environment of the pig house, strictly control the feeding density, implement the system of all in and all out, and regularly use depkin iodine pig house to carry out killing.

3. Immunization

Piglets 7-15 days old vaccinated with Mycoplasma hyopneumoniae vaccine

Treatment of 3. swine mycoplasma pneumonia

Sick pigs should be isolated from herd pigs immediately after they are found, and their contaminated environment should be disinfected, and 2% to 3% sodium hydroxide solution can be sprayed for disinfection. For the sick pigs in the same herd of pigs should also take isolation observation, and add oxytetracycline hydrochloride to the feed, a course of treatment is 5~7 days.

If there is disease or mixed infection in pigs, it is necessary to select reasonable sensitive drugs for timely treatment, such as adding oxytetracycline hydrochloride soluble powder to the feed for 5-7 days. If the symptoms of sick pigs are serious, kexi (doxycycline hydrochloride) and Zhongren Zhiyuanjing or tilmicosin premix can be added to the feed at the same time for 6-8 days.