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Immunization and vaccine quality of the different procedures on the foot and mouth disease, swine fever test the effect of the immune

At this point the body to produce antibodies is low, maintain a short time, a decrease of speed, such as the decline in the antibody re-immunization of time, reduce the time the antibodies, antibody (titer) will increase significantly and to maintain a relatively long time. The city's foot and mouth disease, classical swine fever epidemic at the grassroots level has been used previously in the spring and autumn each immunization time, this method proved ineffective. Because the longer interval between the two immunization, foot and mouth disease, classical swine fever antibodies in the immune began to decrease after one month, two months after the antibody protection rate of only about 3O, the middle four months of non-protection,polo outlet online, to fall again when the time-free antibody has completely disappeared, would not achieve strengthen the immune role, if any, can not play against wild virus protection. And we foot and mouth disease, swine fever-free synchronization in the first month after immunization to enhance immunity once, three months after the first antibody-free rate of protection 8O still around. Is twice the same immunity, but immunity in spring and autumn than in the first month after the booster-free after the first free step-dimensional immune antibody titers of the antibodies are not very different (see Table 1), indicating that a longer holding time , so that greatly reduced the susceptibility of pigs. Table 2, foot and mouth disease, swine fever antibody titer different immunization methods in Table 3 the different production of the vaccine produced titers after immunization compared 5 2006,puma shoes, animal disease control. 43. (3) the production of foot and mouth disease in different enterprises, classical swine fever vaccine immunity synchronous method of immunization and found that production of different vaccines produced after immunization of different immune potency. In 2004, we adopted a domestic production of classical swine fever Vaccine production of foot and mouth disease and another O-inactivated vaccine synchronized immunization (collectively Jiachang). Inner Mongolia in 2005 with the production of biological medicinal plant cell vaccine of classical swine fever and swine production, Lanzhou Veterinary Research Institute, O-inactivated vaccine against foot and mouth disease synchronized immunization (collectively referred to Yichang). One month after the monitoring of free antibodies, vaccines produced antibody Jiachang pass rate of less than Yichang, Jiachang mean antibody titers after immunization (small 2) is also lower than Yichang, Yichang production of vaccines that plant Bijia The relatively good immune effects. But if the hog cholera hog cholera vaccination immune spleen cream is superior to classical swine fever Vaccine. (4) foot-General Miao Miao and HC cells synchronized immunization series and after the first month free when you use the same method to strengthen the immune once, compiled for the B group. Pig foot and mouth disease vaccine concentrate synchronize immune cell vaccine with a classical swine fever, compiled for the C group. (Classical swine fever vaccine is used in the above bio-pharmaceutical plant in Inner Mongolia, foot and mouth disease vaccine production for the Lanzhou Veterinary Research Institute.) Hog cholera vaccination shower once and spleen in the first two months after the booster immunization free time, compiled for the D group. After a comparative test, found that group A antibody after immunization is lower than C group, C group was lower than B group, B group of classical swine fever antibodies than D group. Thus, with a production of foot and mouth disease, classical swine fever vaccine synchronized immunization, foot and mouth disease and classical swine fever vaccine cells in general not as effective as vaccination with foot and mouth disease and classical swine fever vaccine cell concentration effective vaccination, foot and mouth disease and classical swine fever vaccine concentrated cell vaccination as a Foot and mouth disease and classical swine fever Vaccine normal seedlings in the first month after free time to enhance the immune effect. But if the conditions, then switch to hog cholera Hog Cholera Vaccine Lin Miao spleen after immunization group A antibody. Foot-General Tony synchronized with classical swine fever vaccine immune cell titer was more obvious improvement. Table 4 different vaccines and immune effect of different immunization methods compared 4 Summary and discussion mouth disease and classical swine fever vaccine synchronized immunization, antibody production was not affected, proved that the two vaccines do not interfere with the role of combined immunodeficiency. Foot and Mouth Disease Vaccine ordinary classical swine fever vaccine + synchronized immunization time, resulting in lower antibody titers to maintain a short time,tory burch outlet, insufficient to provide protection, the use of spring and autumn in the immune immunization is unscientific, reducing the efficiency of the vaccine, and the middle four months of non-immune protection, which greatly enhanced the susceptibility of pigs. Foot and Mouth Disease Vaccine concentrated swine fever vaccine + is better than a foot and mouth disease immune cells in normal seedlings + swine fever vaccine,poloo utlet online, so the two can not be immune in the case of classical swine fever with the Foot and Mouth Disease Vaccine concentrated seedlings + a herd immunity to susceptibility to at least greatly reduced, because the foot and mouth disease vaccine antibodies concentrated high titer and long duration. FMD + classical swine fever vaccine immunity than the last two immunity effect, regardless of foot and mouth disease is common to use concentrated vaccine or a vaccine antibody titers still can not achieve immune protection requirements, and conduct two simultaneous immunization, three months after the first free able to maintain high antibody levels. Results also showed that leaching with hog cholera vaccine of spleen cells was better than ordinary classical swine fever vaccine, so the farm proposed conditional use vaccination against classical swine fever vaccine leaching spleen, foot and mouth disease vaccine with the concentration. If the economy is relatively poor home market, with the ordinary classical swine fever, foot and mouth disease vaccine two or three times, then the longer duration of immune protection. Also in the selection of vaccine, approved by the State paid to the choice of vaccine production and quality of clearance of the vaccine.
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