Food & Nutrition
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The contents of my cabinets — stocked with maca, goji berries, coconut water and the like — confirm it: I’m a sucker for food trends. So, when my social network lit up with talk of probiotics for dogs, I took cautious note. No harm, no foul if I want to get wacky nouveau with the things I eat, but what about my dog, whose nutritional needs I’m responsible for meeting?
“Probiotics,” a broad group of over 400 microorganisms that support a robust, disease-free body, are a longstanding favorite in the human supplement world. Now they are suddenly omnipresent in pet-supply stores as well. But are they suitable and safe for the canine constitution? To get to the bottom of these questions, as well as to better understand the fundamental mechanics and benefits of probiotics, I dug right in to get the lay of this microflora landscape. The result of these investigations? Four self-education steps that will help you map this molecular jungle, and safely separate the fish oil from the snake oil.
1. Understand the science.
More specifically, Sanders suggests that probiotics increase “the activity or numbers of immune cells or cytokines, whose job it is to attack invading pathogens.” When the immune system senses these microbes in the gut, it launches a response. Probiotics can also produce antibacterial compounds called bacteriocins, which directly inhibit the body’s tolerance of pathogen growth. The plain-English version: probiotics are the good bacteria that kick out the bad, and then make it harder for the bad actors to get back in the door. They help your dog digest her food, increase her absorption of nutrients and boost her immune system, too.
When it comes to optimizing the use of probiotics, Dr. Robert Boyle, a clinical lecturer with the UK’s National Institute for Health Research, suggests that they work best as preventive agents. “Once disease is established,” Boyle writes, “it is harder for [probiotics] to compete with pathogenic bacteria and processes that have already become established in the gut.” While your dog is well, get her started with a diet rich in good microflora. But where do you get it?
2. Do it yourself.
The reality is that plenty of foods contain natural probiotics. Yogurt, kefir, onions, bananas, garlic, honey, leeks, kimchi and Jerusalem artichokes all appear regularly on lists of probiotic foods. Some of these items are not ideal for dogs; for example, onions and large quantities of garlic are dangerous and should be avoided. Kimchi is too spicy. The jury is out on dairy products, yogurt included. Some literature contends that dairy causes digestive upset in dogs, but a better part of the homefeeding community includes yogurt in their dogs’ diets to great effect. Some dog guardians, including C.J. Puotinen, author of The Encyclopedia of NaturalPet Care, are so adventurous that they feed things like lacto-fermented vegetables, such as mild homemade sauerkraut or shredded carrots with ginger. (For the brave souls who wish to try offering fermented veggies, note that fennel seed is a natural remedy for flatulence.)
Ultimately, you can work in any number of ways with a supportive veterinarian to come up with a safe, nutritious regime that takes gut health, and therefore probiotics, into account. The best takeaway in your DIY probiotic diet handbook, the number-one answer that most experts agree on — in part because it has many other benefits and is easily digested — is green tripe. Sticking with foods that are easily digested by your dog (like green tripe) makes the addition of probiotics to your dog’s mealtime routine incredibly safe. That’s the good news.
3. Find a balance.
Thomason reminds us that a healthy, species-appropriate diet is the first line of defense against illness, and will often balance the gut naturally. “In nature, animals know to seek out those foods that satisfy their nutritional needs.” Shepoints to the eating patterns of free-roaming wolves. “Before eating muscle or bone, wolves feast on stomach contents, the liver, pancreas and intestines — in other words, they are gorging on enzyme-laden tissues. Wolf pups are weaned and maintained on regurgitated food, also heavily laced with digestive enzymes.”
4. Monitor your dog’s daily life.
So it’s true — I follow trends. I give my dog yogurt (she’s fine with it). I have offered her homemade fermented veggies (hence the fennel-seed tip). And I have even made it routine to periodically include green tripe in her menus. What we call fads today can become tomorrow’s conventional wisdom when they prove to be legitimate practices that advance our health and happiness. I now know it’s healthy to take probiotics into account. And judging from my dog’sresponse when the tripe hits the bowl, I have the happiness part covered, too.
Photograph by Ellen Soohoo