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Is Grain Free for my dog?

Skin and ear issues such as ‘hot spots’ are a well known problem for many estrela mountain
dogs (more on this topic at a later date), so it’s no wonder owners have this in mind when
choosing their dogs’ food. There are also growing concerns around so called ‘boutique,
exotic, grain free diets (BEGs) and their link to dilated cardiomyopathy (DCM). So what is the
discerning estrela owner to do?*

Reasons to feed grain free:


1) “Dogs evolved from wolves and should be fed accordingly.” Polar bears evolved from
grizzlies approximately 11,000 years ago. Grizzlies are around 90% vegetarian – I
don’t think a polar bear would be impressed with a grizzly diet! Dogs evolved... stop
right there. They evolved. They are their own species. Dogs produce 11 times**
more amylase than wolves. Amylase is the digestive enzyme for carbohydrates.
There is evidence going back to at least the Bronze Age that dogs have always eaten
what we do and if we look at people who are still living the nomadic shepherd
lifestyle, their livestock guardian dogs are fed bread and the whey left over from
making cheese. That’s it. The dogs might also eat dung, scavenge dead animals or
hunt up the occasional rodent but the people themselves only eat meat about once
a month if they are lucky so the dogs are rarely, if ever, fed meat. Coming back to
Portugal, the dogs might get a fed a soup of rice and leftovers, the shepherd might
share his scraps but still the dogs are not fed a lot of meat – it’s too valuable! Be
warned, if you try to tell me your dog is a wolf or should be treated like one, I will
throw my banana at you.


2) “Grains cause food allergies in dogs.” Except they don’t. Or at least very rarely. 87%
of food allergies in dogs are allergies to meats. Every estrela I have heard of that has
had a diagnosed food allergy, was allergic to specific meat(s). This might seem
counterintuitive as we hear so much marketing about gluten intolerances etc but if
your dog has a food allergy, a meat protein is the most likely culprit.


3) “Grain free food is more nutritious.” Except grains are nutritious and our dogs can
digest them because they have evolved to eat them. How nutritious a food is
depends on its digestibility and the balance of nutrients. Being grain free doesn’t
automatically make a food more nutritious.

 


Reasons not to feed grain free:


1) Food allergies. No, that’s not a typo! One of the problems with BEG diets is that if a
dog does actually have a food allergy, the first thing the vet will tell you to do is to
switch to a novel food – one that your dog hasn’t eaten before. If your dog pretty
much lives on chicken and rice based food, that’s easy, you just switch to salmon and

potato or whatever. If your dog is eating venison, ostrich, kangaroo, duck, with peas,
sweet potato etc etc, finding a novel food becomes increasingly difficult.


2) Nutrition. These grain free diets are developed almost exclusively by hobbyists.
Whether we are talking about ‘prey model’ RAW feeding or Frank and Sally’s natural
garden kitchen holistic complete food for wolves, these diets have been developed,
on the whole, by amateurs. No matter how good their intentions or how much
reading they have done, that doesn’t equate to being a qualified nutritionist. A
nutritionist has also done the reading but they have had academic supervisors to
check what reading they have done, for flaws in their logic and exams to check they
actually understand that reading etc.


3) Dilated cardiomyopathy (DCM). This is a heart condition which can already affect
estrela mountain dogs anyway. For some, as yet unknown, reason, there seems to
be a link between these BEG diets and dogs developing DCM. When dogs are
switched back onto a nutritionally complete, grain inclusive food, the progress of the
disease can be halted and even reversed – not something that happens when the
disease is purely genetic in origin – adding weight to the conclusion that it is the diet
that is causing the problem. It may be that the grains themselves contain or help the
dog to process the nutrients needed for a healthy heart, or it may be that the
alternative ingredients being used instead are causing the problem.


In summary, the claimed benefits of grain free foods are, at best, misguided and more
cynically, marketing ploys. Unless your dog is diagnosed with a specific grain allergy, there is
no reason to avoid grains in your dog’s food, quite the opposite, the risk of DCM from
feeding BEG foods, whilst not fully understood, is all too real. Make sure your dogs diet,
whether homemade or complete, is made / designed by qualified nutritionists.
Oh, and give them a biscuit from me,
Nichola 


*This information was taken from the seminar by Dr Rosario Cerundolo, asst. prof. dermatology university of
Nottingham and this fantastic summary of the currently available literature which can be found here:
https://digitalcommons.liberty.edu/cgi/viewcontent.cgi?article=2020&context=honors&fbclid=IwAR0NUg318
HITzE9ZFiqpi5tgdYzgKyFf7uvurrirY4IbOxlnxdgZXES5yPI
** Less for some artic breeds where both people and dogs would have eaten less grains and more meat,
although still more than wolves.

Grain Free Document

Contact

Mrs Camille Lambert

22 Glanhowy Road,

Wyllie,

Blackwood,

Caerphilly,

NP12 2HN

​​

Tel: 07958 549778

Secretary@emdc-uk.com

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