Do Cats Eat Grass When They Are Sick. This encourages your cat to eat the grass in your home, rather than outdoors where it could contain pesticides or chemicals used for treating gardens. That young cats learn to eat grass by watching older cats.
Hart and his team found that cats do not appear ill before eating grass and that they do not regularly vomit afterward. In other words, it may simply be an instinctive behavior. Krause has a cat with gi issues, and she grows cat grass for her cat to eat.
Because they lack the proper enzymes to digest it, cats who eat grass will then vomit that grass, along with the hair and/or other indigestible items.
And when something can’t be digested and is promptly rejected by the stomach, it goes back up and, if you’re unlucky, goes all over your newly washed bedsheets. It is in rare cases whereby a cat feeds on grass and vomits, only few will experience such kind of circumstances. Why do cats eat grass when they are sick? Does this mean your cat likes to throw up?