Dr. Tobin, back in the 1980s I came across the book "How to Have a Healthier Dog," by Belfield and Zucker, and have used that program with my dogs ever since. It has done great things. Recently I added Omega 3 fish oil for my Standard Poodle with SLO, and wow, what an oomph effect! He is in remission now and his nails are looking better and better.
I was giving him the vitamin program from the book, but a fairly low dose of vitamin C, and way too low a dose of B complex. I went through a close call with bacterial spinal meningitis myself, and that brain damage didn't help me get the vitamins straight. I joined an SLO list on Yahoo, saw the information on niacinamide, checked the bottle labels, and immediately gave him B Complex. It seemed he started improving right then!
But of course all the nails had already been weakened, and he went ahead and lost the last two. It was about 6 months from losing the first to losing the last. Now they are all filled back in, and he is feeling his oats!
What I want to ask you is if there is a more current book on vitamins for dogs? I notice books on herbs, but not vitamins. I expect a current book would recommend Omega 3 fish oils for dogs, along with the other vitamins.
A black Standard Poodle grows a LOT of hair, nonstop. That has to use a lot of nutrients. I really wonder if the toe cancer they sometimes get could be related to SLO (symmetrical lupoid onychodystrophy). I don't think SLO is as uncommon as it is thought to be. And I think it has various causes. We had Worthy's Total T4, Free T4, and TSH values checked at age 3, and the veterinarian said they looked very good. We plan to recheck about every 2 years, to make sure.
And of course he is on the vitamins for good.
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Kathy Diamond Davis, author, "Therapy Dogs: Training Your Dog to Reach Others," 2nd edition, and the free Canine Behavior Series articles at http://www.veterinarypartner.com/Content.plx?P=SRC&S=1&SourceID=47


