Ask the Nutritionist: Dr. Getty's Forum for Equine Nutrition
Welcome to my forum.
Here you will find more than 6 years of questions and my answers. It is searchable and offers a great deal of information.
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Take a look at my Nutrition Library and Tips of the Month for a variety of answers on selected topics. Be sure to sign up for my monthly e-newsletter, Forage for Thought.
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All the best,
Dr. Getty
Hi Savannah,
Bermuda hay is a much better choice for an insulin resistant horse, so go with that if you have it available. Oat hay is not at all nutritious and is also high in starch. So, avoid that one if possible.
The Skode's treats are certainly more expensive than carrots, but not as much as you mentioned. I believe you were looking at the combo price of more than one 2 lb tub. Nevertheless, an "easy keeper" should not have carrots because of their high sugar content. So, one carrot, once in a while -- but you really aren't doing your horse any favor, even though they are so well liked! Alfalfa cubes are fine as treats, broken into small pieces.
About the worming, most horses benefit from the Power Pak so the timing in not as significant. But, I would use the biosponge first and and see how that works before doing the worming.
All the best,
Dr. Getty 
Where are you from? Bayfield, CO