David Winners wrote 10/06/2013 03:39 AM protein linked to aggressive behavior #383755 - 10/06/2013 03:39 AM
David Winners Webboard User Reg: 07-03-2009 Posts: 705 Loc: Bryan, Ohio Offline	I'm currently reading Dr. Dodman's book, The Well Adjusted Dog, and in it, he refers to a study he took part in, linking the protein content, and tryptophan supplementation of a dog's diet to the increase and decrease of certain types of aggressive behavior in dogs. Here is a link to the study: http://avmajournals.avma.org/doi/abs/10.2460/javma.2000.217.504 I don't agree with everything Dr Dodman says, but there are some interesting things in the book, including this study.
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Cathy Goessman wrote 10/06/2013 04:06 AM Re: protein linked to aggressive behavior [Re: David Winners ] #383758 - 10/06/2013 04:06 AM
Cathy Goessman Webboard User Reg: 12-03-2007 Posts: 1231 Loc: Phoenix, AZ Offline	When I see this: " Hill's Pet Nutrition Inc, Science and Technology Center" I get skeptical about protein levels being correlated with behavior. Remember how many times they've "proved" that corn is wonderful for carnivores? Tryptophan is basically a sedative. I wouldn't be surprised to find that it changed an aggressive dogs behavior but I'd want to know if just being groggy was considered a positive behavior change. Anybody know where you can find the whole study rather than just the abstract?
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David Winners wrote 10/06/2013 07:16 AM Re: protein linked to aggressive behavior [Re: Cathy Goessman ] #383760 - 10/06/2013 07:16 AM
David Winners Webboard User Reg: 07-03-2009 Posts: 705 Loc: Bryan, Ohio Offline	Quote: Cathy Goessman When I see this: " Hill's Pet Nutrition Inc, Science and Technology Center" I get skeptical about protein levels being correlated with behavior. Remember how many times they've "proved" that corn is wonderful for carnivores? Tryptophan is basically a sedative. I wouldn't be surprised to find that it changed an aggressive dogs behavior but I'd want to know if just being groggy was considered a positive behavior change. Anybody know where you can find the whole study rather than just the abstract? The reason Hills was involved was funding. He wasn't about to fund the study himself. I'm not defending anybody here, but that was his reason given in the book. Hills didn't conduct the study. Here's the study. https://www.avma.org/News/Journals/Collections/Documents/javma_217_4_504.pdf
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