Porcine respiratory syndrome prevention measures

With regard to the case of respiratory diseases in growing pigs in Rouxi pig farms that are more serious than nursery pigs, a lot of drugs have not been used to control them and they have not received very good results. That is what the farmers said: â€œNo good things have been spent on good moneyâ€. .
Since 2005, many swine piglets have pneumococcal cough and individual pig ear hairpins. Growing pigs above 25 kilograms were mainly characterized by coughing and gasping and dermatitis. Compared with the onset of laxative symptoms in 2005, the main symptoms were respiratory symptoms and cough and spewed feces. In summer and autumn, the body of the pig has a lot of erythema on the surface of the skin. The immunity of the farm is relatively simple: the swine herds immunize the Rebecca Mycoplasma vaccine and the swine fever and pseudorabies vaccine; many have not been immunized with the PRRS or PCV vaccine. The pig stage is immune to vaccines such as swine fever and streptococcus.
Observed from the delivery room, the nursery and the nursing home, the respiratory symptoms were most evident in the growing pig houses. The pigs with cough symptoms were found in almost every column. They showed no sputum, dry cough, and anus spewed feces. The disease was severe abdominal breathing. Lying, do not want to move, eyes with tears, some ears purple, body temperature 39 Â°C ~ 40.5 Â°C, eat less or do not eat, pull thin dung. Pigs with purple ears were dissected, and they saw bleeding throughout the lungs. They also had fibrinous exudates that made the lungs adhere to the thoracic cavity. At the same time, there were fibrinous exudates on the surface of the serosal surface, causing intestinal adhesions, enlarged lymph nodes, but not bleeding. obvious. Diagnosis Based on clinical symptoms and anatomical observations, a preliminary diagnosis of respiratory tract syndrome (PRDC) can be made.
Last year, many of the above-mentioned symptoms appeared on pig farms, mainly asthma and infectious pleuropneumonia. It was also associated with the occult infection of blue ear disease. Immunosuppression caused by mycotoxins is also one of the causes.
Preventive measures to strengthen feeding management. Emphasizing isolation and rearing, newly introduced breeding pigs are kept for more than 40 days.
Isolation of sick pigs, the elimination should be eliminated in time.
Adhere to all-in and all-out, delivery rooms and nursery homes should adopt all-in and all-out production methods.
Do a good job in sanitation and disinfection. Wash and disinfect the tanks thoroughly. After vacant for 7 days, transfer them to a new herd.
It is forbidden to send the sick and ill child to the next batch.
Attention should be paid to the stocking density. The occurrence of respiratory diseases is closely related to the stocking density. If the condition is poor, the density should be lower.
Pay attention to ventilation and temperature control.
Reducing stress and minimizing the number of times the herd is transferred or mixed; the pigs were weaned without changing the ring or changing the material; the weaned pigs continued to be kept in the nursery for 7 days after weaning and then transferred to nursery houses; the vaccine was not used as far as possible on the weaning day; Reloading at each stage will gradually transition.
Immunization According to the actual situation in the region and the epidemic, scientifically formulate an immunization program suitable for this field and strictly abide by the implementation.
Strategic phase drug prevention.
Sows use drugs: Porcine or Porcine. Usage: Mixed feeding within 2 weeks after mating and within 2 weeks before and after giving birth, once every week to 2 weeks.
Boars, replacement pigs use drugs: pig Chuankang or Zhiyuanqing. Usage: Use once every 3 weeks to 4 weeks, mixed feeding, once a week.
The pigs used drugs: Asthma Stop, Asian Epidemic, and Conservation.
Usage: 1 day after birth, 7 days old nasal spray Chuankeji stop or sub-outbreak once; before and after weaning Kang mixed feed, used for 7 days.
Nursery pigs, growing pigs use drugs: pig Chuankang or Zhiyuanqing. Usage: After two stages of group transfer, pig Chuankang or Zhiyuan is used for 1 week.
Finishing pigs use drugs: Mei Fei. Usage: Use 40 days before slaughter.
Treatment measures Treatments should be separated from treatment drugs and preventive drugs.
The recommended therapeutic drugs are: Blue Ring Shuangbo, Fulaixin, Huaxi Chaoli, Asian Epidemiology and other injections, usage instructions.
Since some pig farms have viral diseases such as blue ear disease, it is recommended that one of these drugs be used in combination with neonatal.
In the severe field of mycotoxin, the whole group of pigs were contaminated with mildew for one week every other month.
In addition, we must adhere to individual treatment combined with the whole group of drugs; when respiratory diseases occur, pigs with severe symptoms should be given intramuscular injection or nasal spray. Individual pigs should be mixed or administered with drinking water; after the symptoms disappear, they should continue to be used. 1 course of treatment to prevent recurrence; if the incidence of respiratory diseases is high and serious, each group of pigs should be pulsed with prophylactic or therapeutic medication at certain time intervals, such as 1 week of medication, 2 weeks to 3 weeks withdrawal of medication , can reduce the incidence of the disease can be effectively controlled.
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Posted on November 12, 2019