Okay, I'm back. This was something that I needed to do on a computer, not my phone.
I've been through the preceding posts. Here's my perspective, and I'll start with a disclaimer: I work for Banfield, which is owned by Mars. Mars also owns a lot of pet food companies.
You can choose what you want to do, who you want to listen to, and that's okay. I'm not here to debate. The reason I'm stating this is that my experience has been that occasionally I get reminded that discussing pet foods can be like asking people where they go to church, or who they're planning to vote for; it's a minefield. Fortunately, this is GRM, and none of us want to disrupt dear Marjorie's party.
Also, I don't make money for steering people to certain brands, nor have I had my entire student loan debt paid off by Science Diet (all things that people have said to my face).
Finally, I am a "show me the study" guy. I'm not making decisions based on anecdotal evidence. I'll add some links.
So, let's start with the whole "grain free" marketing E36 M3. Even with the built-in editing here on GRM, I don't usually swear, but I feel strongly about this.
That's what it is, marketing, and it's sold a lot of dog food. Dogs aren't wolves, and in fact domestic dogs have from four to thirty additional genes associated with carbohydrate digestion, compared to two in the wolf genome.
So what's the harm if you want to feed grain free food? How about heart failure? I've seen one confirmed case, worked up by a cardiology specialist at the University, and multiple others that haven't been confirmed because the owners couldn't budget for the referral.
Every dog is different. Some may not develop the problem, while I've seen others come in with a whopping murmur, exercise intolerance, and fluid accumulation in the lungs and abdomen after only a few months.
I hate giving people bad news, and it's a lot worse when it's something that could have been avoided. Seeing the owners blaming themselves breaks my heart, so I work hard to (hopefully) convince them that it's not their fault (and it isn't). Unfortunately, I'm getting more practice at that conversation. Bad stuff.
The latest two meeting proceedings that I've read on this topic have expanded the concerns from just grain free to encompass what the cardiologists are calling BEG foods. That stands for Boutique, Exotic Ingredient, Grain Free. Their recommendation is to avoid foods that fit any of those three categories. Exotic ingredients are not kangaroo or alligator meat, but rather the grain substitutes, particularly lentils or peas.
I've also had a case where the dogs were supplemented by the owner with peas, and despite eating an acceptable dog food, two of her three large breed dogs developed heart murmurs in middle age. While I see murmurs somewhat frequently in small dogs, it's rather uncommon in larger dogs at this age. I had asked her about her food choice, but I didn't initially think to ask what she was adding to the food. She was feeding the dogs peas, along with their dog food.
So the current evidence is that it's not just the lack of grains, but rather that the peas/lentils, etc. are possibly binding the amino acid taurine that appears to be a factor in this.
Examples are Blue Buffalo (which I've never liked), Rachael Rae, Taste of the Wild... There's lots of them.
Okay, so what food to feed. The recommendation I'm following, and sharing with my clients at the moment is to only feed foods made by manufacturers that do food trials. These are:
- All of the Purina Brands.
- Hill's brands (Science Diet, Prescription Diet, others).
- Any of the Mars brands. Yes, the candy company is a big player in veterinary medicine. (Royal Canin, which I feed at my house, Waltham, Nutro, and a bunch of others).
There's a ton of bad advice on the internet, so I recommend you read this to help with your search.
My go-to website for handouts, and the site I recommend for my clients is veterinarypartner.com.
It's not a Banfield site; it's a companion site supported by the Veterinary Information Network. I've been a VIN member since 2003, and my dues this year are $780. In part, that's so you can use veterinarypartner.com for free. You're welcome.
Now, let's talk about feeding home cooked diets. I've taken multiple animal nutrition courses, both as an Animal Science major, and in veterinary school. I've learned enough to know that even with that education, there's no way I could compound a balanced diet by myself. There's lots of recipes, but this study done at UC Davis in 2013 showed only 10 balanced diets from the 200 recipes tested. I couldn't find a link to a more recent study that showed that none of the recipes tested were balanced.
Finally, raw foods. I eat raw fruits and vegetables. Raw meat and eggs, no thanks.
Here's the American Veterinary Medical Association position paper on feeding raw food. If your dog gets salmonella, you're also at risk. Some of the sickest dogs I've ever seen have been fed raw food, and some of those have died. Food poisoning is bad.
Hope this helps. I've been at this for a couple of hours, so I'm going to pack it in.
EDIT, 3/27/23: the topic came up again in another discussion, with a link to this. Something that I didn't discuss previously is the fact that freeze drying food does not reliably kill pathogens. Think about that when you feed raw, freeze dried food. The same cautions about feeding raw foods still apply.
Another point to make is that if you have a balanced diet, like a commercially prepared pet food, and add any other ingredients to it, it is no longer balanced.
We were guilty of this when I trained race horses. We would buy combination of various supplements and vitamins, and mix them all in together.
I remember being in nutrition lab, the assignment was to reduce the amount of one ingredient due to a price increase, then rebalance the formula. We had to change multiple ingredients, and it took the entire hour The only reason we could do it in just an hour is because we were using a computer program, otherwise it would've taken us all day.
So when you add other foods to your dog's balanced diet, like fresh vegetables, "a little bit of chicken" the rest of what you had eaten, etc. your balanced diet is no longer balanced.
if you have to do that to convince your dog to eat, you're probably over feeding it, and you're definitely training it to be finicky.