Disease | Summary of herd biosecurity strategy, in order of the most relaible option |
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Bovine virus diarrhoea/mucosal disease (BVD) | - Purchase from herds certified free of disease.
- Quarantine and blood test for persistant excretors.
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Brucellosis | - Purchase from Officially Brucellosis-Free areas.
This includes all parts of the UK excluding Northern Ireland. [Note: Many EU Member States do not have OBF status eg Republic of Ireland].
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Infectious bovine rhinotracheitis (IBR) | - Purchase from herds certified free of disease.
- Quarantine and blood test.
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Johne's disease | - Purchase from herds certified free of disease.
- Quarantine, observe and blood and faeces test. If negative repeat blood and faeces tests annually.
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Leptospira hardjo | - Purchase from herds certified free of disease.
- Quarantine, blood test and consider treatment.
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Salmonella | - Quarantine, observe and three faeces tests at 14-day intervals.
- Quarantine and observe.
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Tuberculosis | - Purchase from herds certified free of disease with an up to date tuberculin test record.
- Quarantine and tuberculin test animals from higher incidence areas.
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Digital Dermatitis | - Quarantine, observe and consider treatment.
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Mastitis | - Buy young cows.
- Individual cow somatic cell count history.
- California mastitis test, bacteriology.
- Where status unknown or suspicious, milk after clean cows in herd but before known infected cows until status established.
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Neospora | - Quarantine and blood test. If negative repeat blood test in last month of pregnancy.
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Parasitic diseases (liver fluke, gut roundworms, lung worm, lice, mites) | - Quarantine, observe and treat. Treatment may not remove all parasites present but should at least significantly reduce their numbers.
- Consult your veterinary surgeon with regard to the strategic timing of worming.
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Ringworm | - Quarantine, observe and consider vaccination.
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Udder skin infections | |
Venereal Campylobacter infection | - Only acquire animals that have not mated naturally.
- Non-virgin bulls: Quarantine, test and/or treat.
- Naturally mated females: breed by AI only for at least 2 years.
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