Articles by Greg Aldrich, PhD

Taurine

Does it need to be added to dog and cat foods?
One of the first reports in the literature regarding taurine was its isolation from ox bile in 1901; hence its name was derived from "Taurus" the bull. That's why, among other reasons, today it is found associated with energy drinks like Red Bull, fueling the perception of strength and vitality.
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Vitamin E

Not all vitamin E is created equal
Vitamin E, in the parlance of nutrition, is a key nutrient with specific physiological functions and a chemical with varied configurations and properties. In petfood, we also speak of vitamin E as an ingredient purchased as part of a vitamin premix.
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Wheat

Not just any ordinary carb
Wheat is the oldest of crops, with the earliest recorded cultivation more than 15,000 years ago. Today, over 4,000 varieties are grown around the world (Posner, 2000). 
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Egg not such a simple ingredient for pet food

Additional studies needed to determine egg’s effect on dog and cat nutrition
There is nothing simpler and better understood than the egg. Right? Well, egg (product) may be a common ingredient in dog and cat foods, but it’s far from “simple” and frankly may not be all that well understood.
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Barley: a small grain that deserves consideration

Ingredient is a natural choice for specialized obesity and diabetic pet diets
When one contemplates the use of barley (Hordeum vulgare L.), thoughts typically turn to beer making or livestock feed; not pet food. However, this grain may have a number of beneficial places in pet food diets and shouldn’t be summarily dismissed.
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Are all chicken fats created equal?

Ingredient is popular in pet food
In the diet, fat provides a concentrated source of energy, essential fatty acids, a route for fat sol-uble vitamin absorption, aroma, and flavor. So, choosing the right fat source is important.
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