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Coccidiosis treatment and prevention in calves
Coccidiosis, often triggered by Eimeria bovis, is a critical challenge in dairy farming. Veterinarians especially warn for the impact on calves, which leads to diarrhea and poor growth.
By adopting professional biosecurity measures, you can take effective steps to control coccidiosis caused by E. bovis parasites.
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What causes coccidiosis in calves?
Coccidiosis in calves is caused by the ingestion of oocysts from parasites called Eimeria.
Over 20 species of Eimeria have been identified in cattle feces worldwide. However, only four of them (E. alabamensis, E. auburnensis, E. bovis, and E. zuernii) are associated with clinical disease.
Eimeria bovis is the most common parasite in calves and multiplies rapidly in their intestines. These parasites cause lesions and damage to the intestinal walls.
How are oocysts of Eimeria bovis transmitted?
Eimeria bovis oocysts are transmitted through their eggs. These eggs are shed in the feces of an infected host. Calves ingest the parasite's eggs from their environment. The eggs, or oocysts, are highly resilient and can survive outside their host for extended periods. Under suitable conditions, their numbers rapidly increase.
The transmission of Eimeria bovis oocysts primarily occurs through:
- Contaminated feaces
- Remaining oocysts in their living environment
- Contaminated equipment, tools or clothing
- Rodents
- Contaminated feed or water
- Transportation / Vehicles
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What are the symptoms of coccidiosis in calves
Clinical signs of Eimeria bovis are more common in young animals and linked primarily with the reproduction by the parasite, which occurs in the enterocytes of the large intestine.
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- Dairrhea (bloody)
- Reduced appetite
- Weight loss, reduced growth
- Dehydration
- Low mortality rate
- Reduced milk production (in adult animals)
- Rough hair coat
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How can you protect your calves from coccidiosis?
Coccidiosis is difficult to reliably control at your farm because oocyst numbers rapidly increase in suitable conditions. Luckily, you can take control by implementing measures that are proven to be effective, such as reducing overcrowding and maintaining a clean and disinfected environment with clear visitor protocols.
Healthy fully grown cattle will have build up a level of immunity to the parasites in their environment. The main focus of biosecurity measures should be on the calves, as they are the most susceptible to health issues arising from coccidiosis. Ensure all calves are kept in a clean, disinfected environment and take measures to prevent cross-contamination.
The 5 steps to prevent coccidiosis in calves
Taking action to protect your calves from coccidiosis and prevent its spread is of utmost importance. Implementing the following five biosecurity protocols will greatly assist in this effort.:format(webp))
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Frequently asked questions about Coccidiosis in calves
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