Risk Assessment for Salmonella in Dairy Herds.

A checklist to determine the biosecurity risk of introducing and spreading Salmonella in dairy herds.
Risk Assessment for Salmonella in Dairy Herds. - Articles

Updated: September 7, 2017

Risk Assessment for Salmonella in Dairy Herds.
Biosecurity Risk Assessment - Salmonella spp.
Check most appropriate boxLow RiskModerate RiskHigh Risk
Purchased animalsPurchased animals are screened and history is known.Minimal screening tests and little history.No pre-purchase screening and history is unknown.
Herd size, manure management, and beddingSmall herd size. Good hygiene. Bedding changed frequently.Large herd size. Organic bedding. Reasonable hygiene.Large herd size. Recycled flush system. Minimal bedding. Fair/poor hygiene.
Screening of feed supplies, access of vermin to feedFeed is tested periodically, and storage system minimizes vermin contact.Feed supplies are not tested. Fair to good vermin control.Feed supplies are not tested. Vermin contamination of feed.
DMI of nutritionally balanced diet, overall healthGood DMI of all animal groups. Excellent colostrum management. Good overall health.DMI of animal groups fluctuates. Good to fair colostrum management. OK overall herd health.DMI fluctuates often. Less than ideal colostrum management. Fair to poor overall herd health.
ByproductsByproducts are not included in diet.Byproducts are purchased from reputable dealer and tested.Byproducts are purchased with less than ideal testing or certification.
Weather, transportation or other stressorsGood animal comfort and minimal stress.Fair animal comfort and minimal stress.Periods of poor animal comfort and stress.

Authors

Mastitis and Milk Quality Milking Equipment Performance Bovine Hoof Health On-farm Food Safety Epidemiology

More by Ernest Hovingh, DVM, PhD