Dr. Janak Dhakal argues that raw pet food is the highest-risk segment in pet food safety because it is not heat-treated, can carry Salmonella, and can expose pets and then humans through handling and household cross-contamination. He says the risk is especially acute for kids, infants, and other vulnerable people, and notes that FDA does not recommend feeding raw pet food.
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This episode is a focused discussion of pet food safety, centered on Dr. Janak Dhakal’s work on Salmonella control in raw pet food. His core thesis is straightforward: raw pet food poses a materially higher microbiological risk than cooked or treated pet food because it often lacks a kill step, can contain animal-derived ingredients that are common Salmonella reservoirs, and is handled in ways that increase the chance of human exposure. He repeatedly frames Salmonella as the main pathogen of concern and treats raw diets as the highest-risk category in the current landscape. Dhakal grounds that view in both biology and outbreak data. He explains that Salmonella is ubiquitous in the environment and common in poultry, which is a major ingredient source for pet foods. …
Immediate setup: raw pet food remains the highest-risk pet-food format for Salmonella exposure, so any new recall or outbreak would quickly reinforce the cautionary view. In the near term, the actionable lens is sanitation and kill-step adoption rather than nutrition marketing.
Over the next few months, the base case is continued pressure on raw pet food to prove it can control pathogens without losing sensory appeal. If HPP, phages, or similar tools scale, the category may improve; if not, the safety discount on raw diets likely persists.
Structurally, the transcript points to a lasting shift toward safety-engineered pet foods, especially where human-pet contact is close. Raw diets will likely remain controversial unless the industry can make microbial control invisible to consumers and pets alike.
Salmonella is the primary pathogen of concern in pet food safety.
He explicitly names Salmonella as the most concerning pathogen in pet food.
Raw pet food is especially risky because it lacks heat treatment and can therefore retain pathogens.
He defines raw food as food that does not go through cooking or treatment and says there is no intervention step to mitigate pathogens.
Raw pet food recalls have become a larger share of Salmonella-linked pet food recalls in recent years.
He contrasts the 1999 onward data with the 2015-2024 slice, saying raw pet food accounts for more than half of recalls in the recent period.
Can you share with us a little bit about your background and how you ended up in your current position today?
Jenek was born and raised in Nepal, received a bachelor's in veterinary science and animal husbandry, worked briefly as a large animal practitioner, earned a master's in India, then a PhD in poultry science from Mississippi State University focusing on salmonella food safety. After a brief industry role and a layoff, he joined Kansas State's pet food lab with Dr. Greg Aldrich, working on controlling salmonella in pet foods. He is now an assistant professor at University of Maryland Eastern Shore.
Can you share what current research you're working on and what your lab can offer to the industry?
Jenek's lab focuses on food safety and food microbiology with three active projects. One major USDA-funded project (one of the first USDA has ever funded on pet food safety) looks at pet food surveillance of salmonella, antibiotic resistance patterns, and novel antimicrobials including natural antimicrobials, chemicals, acidulants, and bacteriophages against multidrug-resistant salmonella. He also has a project on poultry.
Why is pet food safety so much talked about nowadays?
Jenek explains that salmonella is the most concerning pathogen in pet food. Pet food contains about 60% animal-derived ingredients (especially poultry which commonly carries salmonella). He describes the transmission risk: pets eat from bowls, get salmonella on their mouths and whiskers, then lick or kiss their owners. Bowls are often not cleaned effectively. The handlers are often vulnerable populations like children or the elderly. He cites 2023 and 2024 outbreaks where most illnesses were in infants under 1 year old.
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