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Chris Morrow likes the comment:
How many shots of Live vaccine or killed in layers and at what age and which vaccine you will prefer Dr. Morrow specially for MG control as it is a problem in Pakistan If you remember you chaired session in WVPAC 2007 Beijing Where i presented on gentamicin toxicity it was my first international presentation
Participation in Forum on January 20, 2021
Muhammad Kashif The live vaccines colonise the birds for life - you only need one vaccination. You should also vaccinate for MG and MS. MS can mimic anything MG can do. ts-11 and MSH can be used from 3 weeks of age. Immunity may take 5 weeks to develop and you need to not use antibiotics after vaccination.
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Participation in Forum on January 20, 2021
Have a look at http://www.bioproperties.com.au/!Pages/Publications/Documents/DOC-Bulletin-2015-02.pdfthere are at least three different responses by flocks to vaccination especially to ts-11 and they are all normal. Perhaps as Robin Achari says it is very dependant on the time after vaccination what you see but serology is useless after vaccination is my conclusion from 25 years experience. If you ...
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Participation in Forum on January 19, 2021
If you want more details about vaccination http://www.bioproperties.com.au/!Pages/Publications/Documents/DOC-Bulletin-2020-01.pdf If you want information on the Antibiotic sensitivity survey in Asia in MG and MS Morrow CJ, Kreizinger Z, Achari RR, Beko K, Yvon C, Gyuranecz M. Antimicrobial susceptibility of pathogenic mycoplasmas in chickens in Asia. Vet Microbiol. 2020 Nov;250:108840. doi: 10 ...
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Video published on January 15, 2021
Chris Morrow (Bioproperties) commented about the problems that arise from mycoplasma infections in layer farms and explained the benefits of a live mycoplasma vaccination program, including costs and profits.
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Participation in Forum on October 13, 2020
Abdulcader titres often increase after 40 weeks and can be very high in normal flocks. The only way to investigate if this is 1) Normal - just high titres after 40 weeks or 2) Field challenge (from a variety of reasons, post vaccination antibiotics, infection before vaccination etc) then you should find field strain. So you need DIVA PCR - it will detect field strain if that is the problem ...
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Participation in Forum on September 16, 2020
Well, I think that killed avian mycoplasma vaccines make humoral antibody. In fact, to get registration, they only have to show production of antibody - from the monograph. It is just sort of assumed that it is correlated with protection. So I agree that they can decrease systemic pathology, tracheal populations, vertical transmission but they don't seem to be able to stop infection or vertical tr ...
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Participation in Forum on September 13, 2020
Want to know more about MS and MG vaccination as an alternative to antibiotics. http://www.bioproperties.com.au/!Pages/Publications/Documents/DOC-Bulletin-2020-01.pdf cheers chris
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Participation in Forum on September 13, 2020
Wijaya Saputra Serology is useless after live vaccination (and probably killed MG vaccination). There are too many normal responses and perhaps these are modulated by factors other than mycoplasma - like using LaSota. http://www.bioproperties.com.au/!Pages/Publications/Documents/DOC-Bulletin-2015-02.pdf See the bulletin. But in Australia nearly all broiler breeders have no serological response ...
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Participation in Forum on August 10, 2020
David Baquero we have to stop using antibiotics every 4-6 weeks for human health reasons. In the short and maybe medium term it is effective but it may mean the loss of effectiveness of antibiotics for treating ordinary infections in the long term:https://en.engormix.com/MA-poultry-industry/videos/mycoplasma-use-antibiotics-alternatives-t59270.htmand it is expensive.
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