Articles by Greg Aldrich, Ph.D.

Protein quality: Real nutrition versus public perception

Responsible petfood companies may benefit from more protein quality explorations
Many petfoods today are promoted for the ingredients they do or do not contain rather than their nutritional performance, disingenuously playing off of the consumers’ perception about the ingredients rather than their real nutritional value.
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DL-methionine in short supply – what are the options?

It’s likely that only short-term options are needed for the moment, but consideration should be given to longer-term solutions for potential future challenges.
While the current DL-methionine shortage is a temporary matter that will resolve itself early in 2015, the potential exists for a recurrence in the future.
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Could pumpkin ever be more than a petfood novelty?

Fiber potential and other nutritional possibilities make this gourd a promising alternative petfood ingredient.
Could pumpkin be more? Today, legume seeds and tubers are being used in profusion with grain-free diets, so alternative ingredients are very much in vogue. Which begs the question: might gourds like pumpkin be an ingredient option in petfoods, and does it make good sense for a pet’s diet?
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Is resistant starch a future fiber in petfoods?

Possibilities for specialized diets, results of current studies warrant a closer look
There is enough evidence in the human and animal nutrition research literature to suggest that resistant starch may have a wide array of health benefits. So, is resistant starch a “future fiber” for the next generation of petfoods?
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News from the JAM companion animal program

Industry-academic partnerships highlighted during presentations
At the recent Joint Annual Meeting of the American Society of Animal Science and American Dairy Science Association and Canadian Society of Animal Science there were 27 topical reviews and original research presentations focused specifically on companion animals out of the hundreds of abstracts in the program.
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News from the AAVN Clinical Nutrition and Research Symposium

Research continues to play a key role in advancing pet nutrition
The 14th Annual American Academy of Veterinary Nutrition and Research Symposium was held in Nashville, Tennessee on June 4, 2014 at the Gaylord Opryland Resort. The symposium coincided with the American College of Veterinary and Internal Medicine Forum. This year the symposium attracted 155 professionals from around the globe. The attendees were treated to more than 30 presentations of original research, reviews and poster presentations on topics ranging from clinical care and diagnostic techniques to general animal nutrition and food product evaluations.
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Propylene glycol: When, where and how should it be used

Used as a shelf life extender and stabilizer, does this ingredient deserve to be the subject of controversy?
Consumers and the media say they want petfoods that are fresh, natural, inexpensive, perfectly formed and appealing to the eye, taste great, and are constantly available to the market regardless of season or supply. The retailers and distributors want petfoods that will last on the shelf for years, appeal to consumers, are encased in beautiful packaging and don’t degrade or get buggy.
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Venison, rabbit and buffalo: A throwback to our pets’ primitive past

Products provide expanded choice for consumers, but producers must study ingredients to justify costs
For the past decade there has been an increasing number of "novel protein ingredient" foods marketed in the petfood industry. Originally these were merchandised in the veterinary trade for elimination diets intended as nutritional support for animals with recalcitrant food hypersensitivities.
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