Dogs aren’t known to be the pickiest eaters, but that fact still doesn’t normalize them eating grass. What is it about grass that seems palatable to our canine friends? Read on to learn more.

Why do dogs eat grass?

Dogs are omnivores, which means their diet consists of meat and plants. The domesticated dog’s cousins—coyotes and wolves—have been known to eat plants, including berries and grass. Although we don’t know the exact reason dogs eat grass, we’ve outlined three theories here:

Dogs may eat grass to induce vomiting

It is thought that eating grass can cause vomiting, so one theory suggests that if a dog has an upset stomach, he may instinctively eat grass as a way to make himself vomit.

Dogs may eat grass for the nutrition

If your dog’s diet lacks fibre, some believe he will eat grass to make up for the nutrient deficiency.

Dogs may eat grass because it’s a natural behaviour

Some researchers don’t believe dogs eat grass to induce vomiting or to supplement their nutrient intake. Rather, they view grass-eating as a natural behaviour that some dogs enjoy or do when they’re bored. The behaviour also could have evolved from wild dogs who ate plants to help control intestinal parasites and to increase intestinal motility.

Is grass healthy for dogs to eat?

If your dog has made a habit out of chowing down on the grass, don’t worry—the grass itself won’t harm your furry pal. But, to keep your grass-eating friend safe, don’t forget about the following:

  • Pesticides — Follow recommendations from manufactures and ensure any pesticides or chemicals you use on your lawn are safe for pets.
  • Toxic plants — While grass isn’t toxic, other plants in and around your outdoor space can cause serious health problems for your dog.
  • Hard materials — If consumed, rocks, sticks, and mulch can become lodged in your pet’s gastrointestinal tract and require surgery to remove.
  • Parasites — Intestinal parasites are passed through feces. Even after the feces are picked up, infective larvae remain. If your dog eats the larvae, he may develop an intestinal infection that leads to gastrointestinal upset, vomiting, diarrhea, and dehydration.

Are your dog’s eating habits confusing or concerning? Give us a call.