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Control of paratuberculosis in beef cattle
1Department of Large Animal Clinical Sciences, Texas A&M University, 4475 TAMU, College Station, TX 77843-4475, USA. Aroussel@cvm.tamu.edu
The Veterinary Clinics of North America. Food Animal Practice
|October 26, 2011
Summary
Controlling paratuberculosis in beef cattle involves minimizing calf exposure to Mycobacterium avium subsp. paratuberculosis (MAP) through environmental management and prompt removal of infected animals. Early detection and culling are crucial for seedstock operations facing significant economic losses.
Area of Science:
- Veterinary Science
- Animal Husbandry
- Infectious Disease Control
Background:
- Paratuberculosis (Johne's disease) is a significant concern in beef cattle production.
- Calves are highly susceptible to Mycobacterium avium subsp. paratuberculosis (MAP) infection from contaminated feces.
- Beef calves share environments with mature, potentially infected cattle until weaning.
Purpose of the Study:
- To outline effective control strategies for paratuberculosis in beef cattle.
- To emphasize the importance of reducing MAP exposure in young cattle.
- To compare the relevance of control programs for seedstock versus commercial producers.
Main Methods:
- Focus on environmental management to minimize fecal contamination.
- Implement strategies for the early identification and removal of MAP-shedding cattle.
- Discuss the role of testing, culling, and separation in beef herds.
Main Results:
- Reducing fecal burden is the primary goal for paratuberculosis control in beef calves.
- Prompt removal of MAP shedders is essential.
- Testing and culling/separation strategies are critical for beef cattle management.
Conclusions:
- Effective paratuberculosis control in beef cattle hinges on minimizing calf exposure to MAP.
- Seedstock producers may find control programs more economically viable due to higher potential losses.
- Integrated management practices are key to mitigating the impact of paratuberculosis in beef herds.
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