Milk yield and lactation stage are associated with positive results to ELISA for Mycobacterium avium subsp. paratuberculosis in dairy cows from Northern Antioquia, Colombia: a preliminary study

2016 ◽  
Vol 48 (6) ◽  
pp. 1191-1200 ◽  
Author(s):  
Nathalia María Correa-Valencia ◽  
Nicolás Fernando Ramírez ◽  
Martha Olivera ◽  
Jorge Arturo Fernández-Silva
Keyword(s):  
Dairy Cows ◽  
Milk Yield ◽  
Mycobacterium Avium ◽  
Mycobacterium Avium Subsp ◽  
Lactation Stage ◽  
Preliminary Study ◽  
Mycobacterium Avium Subsp Paratuberculosis ◽  
Positive Results

scholarly journals Faecal bacterial composition in dairy cows shedding Mycobacterium avium subsp. paratuberculosis in faeces in comparison with nonshedding cows

2016 ◽  
Vol 62 (6) ◽  
pp. 538-541 ◽  
Author(s):  
Marija Kaevska ◽  
Petra Videnska ◽  
Karel Sedlar ◽  
Iva Bartejsova ◽  
Alena Kralova ◽  
...  
Keyword(s):  
Dairy Cows ◽  
Mycobacterium Avium ◽  
Mycobacterium Avium Subsp ◽  
Rrna Gene ◽  
Microbial Composition ◽  
Bacterial Composition ◽  
Bacterial Populations ◽  
Faecal Samples ◽  
Mycobacterium Avium Subsp Paratuberculosis ◽  
The 16S Rrna Gene

The aim of this study was to determine possible differences in the faecal microbiota of dairy cows infected with Mycobacterium avium subsp. paratuberculosis (Johne’s disease) in comparison with noninfected cows from the same herds. Faecal samples from cows in 4 herds were tested for M. avium subsp. paratuberculosis by real-time PCR, and faecal bacterial populations were analysed by 454 pyrosequencing of the 16S rRNA gene. The most notable differences between shedding and nonshedding cows were an increase in the genus Psychrobacter and a decrease in the genera Oscillospira, Ruminococcus, and Bifidobacterium in cows infected with M. avium subsp. paratuberculosis. The present study is the first to report the faecal microbial composition in dairy cows infected with M. avium subsp. paratuberculosis.

Evaluation of four commercial serum ELISAs for detection of Mycobacterium avium subsp. paratuberculosis infection in dairy cows

2009 ◽  
Vol 180 (2) ◽  
pp. 231-235 ◽  
Author(s):  
Francisco J. Diéguez ◽  
Ana M. González ◽  
Santiago Menéndez ◽  
María J. Vilar ◽  
María L. Sanjuán ◽  
...  
Keyword(s):  
Dairy Cows ◽  
Mycobacterium Avium ◽  
Mycobacterium Avium Subsp ◽  
Mycobacterium Avium Subsp Paratuberculosis
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