Trying to prevent Mycoplasma
Mycoplasma bovis has become a significant bacterial pathogen in commercial feedlots over the past decade or so. Since Mycoplasma bacteria lack a cell wall, antibiotics (which disturb bacterial cell walls) are not very effective for treating cattle infected with these bacteria.
Completed: 2010
Mycoplasma bovis strains derived from calves in commercial feedlots in western Canada
The objectives of this study are to: determine the prevalence of Mycoplasma bovis in fall-placed feedlot calves; describe the ecology of M. bovis within pens of feedlot calves; and determine if specific strains of M. bovis are related to disease in the feedlot.
Completed: 2010
Evaluating industry cattle transport practices
This study should help to inform discussions about how Canada’s beef industry raises, manages, handles and transports cattle. It will also help to identify real problems so that industry can develop cost-effective ways to correct any issues that are identified.
Completed: 2009
Investigating weak calf syndrome and early neonatal mortality
The overall objective of this study was to identify factors that may play a role in ‘weak calf syndrome’ and early calf mortality. These researchers studied stillborn calves and calves that die within 3 days of age.
Completed: 2008
Best management practices for the prevention and control of Johne’s disease
Because Johne’s disease is difficult to diagnose without repeated, regular testing, elimination of the disease through “test and cull” approaches have been very expensive, time consuming, difficult, and unsuccessful. A better approach may be to reduce the risk that calves will get infected in the first place.
Completed: 2007
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