According to a study published in recent issue of the Journal of Veterinary Diagnostic Investigation, a novel approach improves diagnosis time with enhanced accuracy for Salmonella infections. In case of animals, fast clinical diagnoses allow veterinarians to quickly quarantine an infected animal.
Salmonella refers to the group of bacteria that causes food-borne illness across all regions of the world. The strains can infect animals as well as humans, and the infections resulted from the animals contact. Previous test methods that used to take five days, but now new test takes 24 hours, with a hundredfold improvement in identification of species namely Salmonella.
Initially, the new test was used for automated food safety testing; later it was adopted by Cornell scientists for a wider range of sample types. It can detect the bacteria from environmental and clinical samples, including swabs, feces, milk, and blood. It also allows the veterinarians to quarantine an infected animal quickly.
The senior author of the study, Belinda Thompson said, “Because we have this 24-hour turnaround time with the new test, there are veterinary hospitals and clinics that can test and get results rapidly and make sure they are not exposing other animals to Salmonella.”
Salmonella Dublin is host adapted in cattle. The infected animals can become permanent or long-term carriers, putting herd mates, especially susceptible calves, at risk. Human gets infected by the contact with infected animals, by drinking raw milk, or by consuming other contaminated food products. Compared to the other strains of Salmonella types, Salmonella Dublin could cause higher rates of hospitalization and fatality; it could cause the similar systemic infection of body tissues observed in typhoid.
Salmonella biosurveillance is host adapted in animals that could be harmful since animal shed the bacteria without any signs of clinical disease, said lead author Laura Goodman, at present the new testing method is available as an environmental testing program through the Animal Health Diagnostic Center.