recently, readers from shijiazhuang, hengshui and other places have sent letters to inquire about the scientific use of vaccines in pig farms. to this end, we have a special issue of the article, hoping to provide you with reference and help. at the same time to remind you: and the use of vaccines choice is not immutable and frozen mode, the actual situation should be adjusted according to the actual situation, the local swine diseases their farms; in the use of the process should strictly in accordance with regulations and operation instructions, to avoid a large amount, or lack of interaction; due to individual differences the individual may appear, pig vaccine reactions, breed the best prepared in advance.
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csf vaccine immunization programs: the first free piglets at 20 days of age, the age of 60 days and second vaccination; the immune vaccination in newborn piglets: eat colostrum before 1 ~ 2 hours after feeding, second times of immunization in 60 days. immune not only time-consuming and laborious, but also need a strong sense of responsibility, therefore, there is generally a piglets swine fever (especially susceptible to swine fever and lactation stage) sow poison serious pig farm, recommended this program; the reserve pigs before breeding for 1 month immunization; 4 sows vaccinated in suckling piglets at weaning; the boar vaccination two times every year.
the immunization program of swine fever attenuated swine fever vaccine should be based on the epidemiology and occurrence of swine fever and the level of maternal antibodies. at the same time, the disinfection and sanitation of the environment and piggery should be strengthened so as to reduce or eliminate the pollution caused by swine fever.
2. swine pseudorabies vaccine
the inactivated vaccine. the inactivated vaccine was prepared by inoculation with the golden hamster a strain of pseudorabies virus. the vaccine has an immune phase of 6 months. use a neck muscle injection.
the fat pig breeding program at weaning per 3 ml; ii for weaning piglets per head were inoculated in 3 ml, an interval of 28 to 42 days, strengthen immunization time, 5 ml per head. after each half a year to strengthen immunization once; pregnant sows, 1 months before the birth of intensive immunization.
the live attenuated vaccine. swine pseudorabies attenuated live vaccine is the use of the barth-k61 strain of hungary or romania steaua strains, inoculated into chicken embryo fibroblast cells made of lyophilized vaccine. there are corresponding products both at home and abroad. intramuscular injection.
immunization procedure: 1. sows were inoculated at 1 months before birth, and 2 ml was injected. the sows were immunized at 8~10 weeks of age. the reserve pig should be vaccinated 1 months before the mating, and the boars should be vaccinated two times a year.
the gene deleted vaccine. the advantage of genetically engineered vaccine is that it is not only safe and effective, but also able to distinguish between vaccinated pigs and wild animals infected with pigs. it provides an effective means for the control and purification of the disease.
3. inactivated vaccine against foot and mouth disease of pigs
immune procedure: the traditional inactivated vaccine for weighing 10 to 25 kg per head pig, injection of 2 ml, 25 kg pigs per head injection 3 ml; concentrated seedlings were used to weigh 10 to 25 kg per head pig, injection of 1 ml, 25 kg pigs injected 2 ml per head. the 35 day old piglets first free, 70 day old pigs two free, 90 ~ 100 days after immunization at a time; the gilts after 35 days, 70 days after the two immunization, immunization before breeding time; the breeding sows and boars respectively in 1, 5 and september each year the vaccination time.
4. porcine parvovirus inactivated vaccine
immunization program: porcine parvovirus inactivated vaccine is mainly used for immunization of primiparous gilts, usually 1 times two months before the mating sows, two weeks apart.
5. swine epidemic encephalitis vaccine
immunization procedure: 45 days before the mating or before the arrival of mosquitoes (4~5 months a year), two times, two weeks apart. sows and boars can be annual infusions.
6. inactivated vaccine against porcine transmissible gastroenteritis and porcine epidemic diarrhea two
immunization procedure: use the houhai acupoint injection. in 20 prenatal pregnant sows vaccinated 4 ml to 30 days, the litter at weaning within 7 days after the injection of 1 ml vaccine; piglets weighing 25 kg per head following injection of 1 ml; 25 ~ 50 kg pigs finished 2 ml; 50 kg pigs 4 ml. according to the epidemic situation of swine infectious gastroenteritis and porcine epidemic diarrhea, the vaccine immunization can be carried out in winter and spring in the two quarter. immunity was produced 14 days after active immunization, and the immune period was 6 months.
7. double valent gene engineering inactivated vaccine of colibacillosis in piglets and k88 and k99
immunization procedure: sows were given intramuscular injections 2 weeks prior to birth.
8. inactivated vaccine against infectious atrophic rhinitis of swine
immunization program: commercial farms: pregnant sows 1 months before subcutaneous injection of 2 ml of vaccine, piglets can be obtained through the passive immunity colostrum; pig: in addition to pregnant sows vaccinated, the vaccinated sows vaccinated pigs born, at the age of 7 and 21 to 28 days of age respectively (subcutaneous injection a) vaccination.
9. swine enzootic pneumonia vaccine
immunization program for inactivated vaccine: 2 weeks before the gestation sows were vaccinated, the piglets were immunized at 7 and 21 days old, intramuscular injection, 2 ml per head, and the immune period was 6 months. the boar is immunized once every six months. some products are recommended to be vaccinated at 28 days of age, which can reduce one vaccination.
immunization procedures for live vaccines: vaccination of the thoracic cavity can be used for pigs aged 7 days after age, pregnant sows and boars.
10. porcine infectivity |
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