In recent years, feeding dogs raw meat has become increasingly popular. The trend, however, has sparked health concerns, because of the risk of foodborne illnesses in pets as well as the public health risks of zoonotic infections. Now, a new study that identifies potentially harmful bacteria in 21 commercial raw meat diets bolsters these concerns.
"This has some potential public health concerns for both the animals being fed these diets and their human owners," said Dr. Rachel Strohmeyer, a researcher at the Animal Population Health Institute, Colorado State University. She presented her findings at the annual meeting of the Conference of Research Workers in Animal Diseases held in Chicago in November.
Proponents of raw meat diets say it improves dogs' performance, coat, body odor, teeth, and breath. While high-performance dogs, such as racing Greyhounds and sled dogs, have been fed raw meat diets for years, the trend to feed raw meat to companion dogs is new.
Because of this trend, and because the safety of these raw diets has received limited attention, Dr. Strohmeyer tested 21 commercially available raw meat diets, two dry dog foods, and two commercial canned dog foods for non-type specific Escherichia coli, Salmonella spp, and Campylobacter spp. The researchers purchased diets of beef, lamb, chicken, and turkey in four months, trying to space the purchasing times far enough apart so that they came from different lots. Three samples from each product underwent bacteriologic culturing each time.
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