Why Do Dogs Eat Grass? The 2025 Research That Finally Busts the Biggest Myth (Plus 7 Viral Facts That’ll Make You Go “No Way!”)

Tufty the Bichon Frise (10 years young, still sprinting 45 minutes a day). Every single park walk, makes a beeline for the lushest patch of grass and hoover it up like it’s chicken-flavoured confetti. Jason used to panic: “He’s going to be sick!” Turns out 79 % of UK dog owners think the exact same thing.

But the newest 2025 research says… we were all wrong.

The Myth That Refuses to Die (And the Science That Killed It)

Myth: “Dogs eat grass to make themselves vomit when their tummy hurts.

”Reality: Less than 9 % of dogs show ANY sign of illness BEFORE eating grass, and only 22 % vomit afterwards.

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The groundbreaking UC Davis study (still the gold standard in 2025) surveyed 1,571 owners and found:

Younger dogs eat MORE grass (puppies are basically lawnmowers)

Grass-munchers are perfectly healthy 91 % of the time

Vomiting? Rare. Like “Tufty finally sits on command” rare.

So Why DO 68 % of Dogs Eat Grass Daily or Weekly? The 2025 Answers

It’s in the DNA

Wolves have grass in 2–47 % of their poo samples. We’re just doing what Great-Great-Grandwolf did – scavenging plants from prey stomachs for micronutrients and parasite control.

Dogs actually LIKE the taste

Spring grass = doggy rocket fuel. Dewy, sweet, crunchy. Tufty rates April grass 11/10, would choose over roast chicken.

Fibre fix

2025 studies confirm dogs on low-fibre kibble seek grass to keep things… moving. One poodle stopped entirely when switched to high-fibre food.

Boredom/attention-seeking

Left alone? Grass suddenly becomes fascinating. VCA vets say it’s like us doom-scrolling TikTok.

Viral Facts That Blew Up #DogTwitter in 2025

Puppies eat 3× more grass than seniors (curiosity + parasite protection).

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Miscanthus grass is the new super-fibre – softer poos, better nutrient absorption than beet pulp.

Dogs on grain-free diets eat MORE grass (lower fibre = desperate measures).

Only 1 in 10 dogs look sick BEFORE grass – the other 90 % are just weird foodies.

Wild lynx in Latvia have grass in their stomachs too – we’re not special.

Lewis’s record: 47 blades in 30 seconds (filmed, 2.8 million views).

2025 Netflix doc “Can Dogs Live Vegan?” showed plant-munchers had ZERO extra grass cravings when diet was balanced.

When SHOULD You Worry? (Red Flags from RVC Vets)Sudden frenzy eating + vomiting yellow foam = possible bile reflux – feed a bedtime snack.

Blood in poo/vomit = parasites or GI blockage – vet NOW.

Lethargy + grass obsession = could be pica (iron deficiency).

How to Stop Excessive Grass Gobbling (Tufty-Approved Hacks)

Add 1 tsp psyllium husk to dinner (fibre bomb).

Frozen carrot sticks = crunchy alternative.

5-minute training games before walks – mental stimulation > lawn salad.

Bottom line? Next time your dog face-plants into the grass, relax. They’re not dying – they’re just living their best wolf-cousin life.

Tag your grass-gobbling gremlin below. Let’s make this the most shared dog myth-buster of 2025!

Tufty (professional lawn consultants)

P.S. Share this with one worried dog mum who’s still cleaning yellow foam at 3 am. You’ll be their HERO

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