Why Do Cats Eat Grass? 

By Kathy Blumenstock, Animal Planet

How often have you seen your cat happily chewing on blades of fresh green
grass, and wondered why? You dish up the choicest cat food and offer gourmet
treats, yet given the chance, Kitty chows down on the lawn as if she's a
snacking racehorse. But there's little need to fret over the appeal of the
feline salad bar, even when she throws it all up.

Grazing in the Grass

The juices in grass contain folic acid, a vitamin essential to a cat's
well-being. Folic acid, also present in the mother cat's milk, aids the
production of oxygen in the cat's bloodstream. A folic acid deficiency may
lead to anemia, and a young cat's growth can be stunted if she doesn't get
enough of it. Do cats instinctively know they're deficient in folic acid and
nibble grass to right the situation? Even experts can only guess. For a cat
who never goes outdoors, folic acid supplements are available, to be added
to your cat's food. Your vet can advise whether your cat can benefit from

That Laxative Appeal

Since cats themselves can't say, experts theorize that cats eat grass as a
natural laxative. It may add fiber and bulk to their diet, helping them pass
worms or fur through their intestinal tract. If broader-leafed varieties
offer a laxative effect, thinner-leafed grass induces cats to vomit. But
veterinarians stop short of declaring grass necessary. It may assist in
clearing things out, but healthy cats are able to process and pass matter
out without this help. Some experts believe cats eat grass to settle their
stomachs, much as humans pop an antacid tablet. Others say cats simply like
the texture and taste of grass, no matter what its properties do for their


After munching away on grass, a short time later, cats inevitably upchuck
those greens. Not because they're gagging on the veggie flavor. It's because
cats' systems do not have the correct enzymes to digest plant matter. By
regurgitating grass, the cat also expels other indigestible items she may
have eaten - which could include fur balls from grooming, or feathers and
bones from any prey she has consumed. Clearing her digestive tract this way
is healthy for the cat. It alleviates any feeling of discomfort, even if the
process, and its end-products, may repulse her owner. So don't punish your
cat for upchucking!

Healthy Habit or Dangerous Delicacy?

While eating grass may seem unappealing to you, many cats love it and it's
not generally harmful to them. They rarely eat more than occasional small
amounts, but if yours eats it daily or in large amounts, that could indicate
intestinal distress that should be addressed by your vet. If your cat is an
indoor-outdoor pet, supervise her grazing when you take her outside. Keep
her away from grass or plants that have been chemically treated and always
use pet-friendly lawn treatment or fertilizers. If your cat is outside most
of the time, she could ingest toxic, pesticide-tainted grass - another good
reason to keep your cat indoors
<http://www.care2.com/greenliving/bringing-an-outdoor-cat-inside.html> .

Growing your Own

If your cat seems to enjoy the taste and texture of grass, give her a small
grazing area of her own in your home. So-called feline herbs or
greens-usually wheat
or oat grass - come pre-packaged at pet supply stores, as seeds or in
pre-spouted form. Cats generally prefer this to regular grass and you can be
sure it hasn't been treated. Fresh catnip is also easy to grow, and
obviously gets cats' approval and attention. Set Kitty's private planter in
a favorite spot that's easily accessible. You'll know she's enjoying fresh,
safe greens. You'll also know when she's consumed them, thanks to the sound
of feline retching that follows.


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