Cats, houseplants and grass – why does my cat get the munchies?
Cats always seem to want what they are not supposed to have – and houseplants are no exception. Cats are carnivores- why would they want to nibble on your spider plant or the lovely flowers your significant other just gave you?
In the wild, cats eat many small meals consisting of rodents, birds, bugs, and other small creatures. Most of these prey animals have intestines full or seeds, grains, and other vegetation. Cats enjoy eating the intestinal tract (yum!!!) and consequently about 10% of their calories come from non- meat sources. So, cats can digest some plant material. Cats also need some non-digestible fiber in their diet to help with normal stool production.
Cats, like infants and toddlers, often investigate things by chewing on them. New plants or flower arrangements are loaded with intriguing new smells. Your cat will chew on them in part to get more information, and also to test them out as a food source. Cats have an interesting organ called the vomeronasal organ on the roof of the mouth behind the front teeth. It is in essence a “super nose”. Cats may wrinkle their upper lips, start nibbling an item, and get interesting smells to that organ. Some cats love the texture of certain plants and will chew on them for fun. Cats that are either highly intelligent and need to check everything out, or cats that are bored and have nothing to do are more likely to chew on plants. Younger cats are also more likely to chew on both plants and other stringy items such as cell phone charger cords and ribbons.
Some people think that cats chew on grass to make themselves vomit. As far as we know, cats are not bulimic! However, cats do often vomit after chewing on grass and other fibrous plants. This may have evolved as a means of reducing parasite numbers in the intestinal tract. Cats that are feeling nauseated may be more likely to chew on fibrous plant material. Some cats do develop pica, which is eating non -food type materials. This can occur from anemia. Anemic cats are low in iron, and they may eat soil or cat litter due to their bodies attempt to get more iron to correct the anemia. Some cats need more oral stimulation and chewing on plant material fulfills that need.
Try offering safe plant materials. Commercial pots of cat grass are available such as “Kitty greens”, or home made versions can be grown using grass seed and potting soil. Spider plants are also safe for cats to nibble on.
The biggest worry we have with cats eating plants or flowers are lilies. Nibbling even a small amount of the leaves or petals can cause severe kidney failure and death in cats. Keep lilies out of your house if you have cats! If your cat does eat or have any contact with lilies, call your veterinarian immediately. Rapid medical intervention may save your cat’s life.
Many cats find potting soil a lovely form of cat litter, and may enjoy digging in and even eliminating in your houseplant pots. You can make the soil less attractive by placing screen door mesh over the soil (cut to allow room for the plant). Your cat cannot dig in the soil, but water will easily pass through. You can also use gravel on top of the potting soil to make the texture less attractive to your cat.
Don’t forget about catnip! One-half to two- thirds of cats enjoy catnip “recreationally”. Nepetalactone is the chemical that causes the rolling around, licking, drooling, and mild sedation in cats. Some cats will get hyperactive or aggressive especially if they ingest larger amounts, and some cats are not affected by the nepetalactone. Many people grow catnip for their cats as a safe option for their plant snacking cats. Bon appetit!
Your Cat’s Holiday Wish List
Satisfying the inner Grumpy Cat:
- Holiday parties – Grumpy Cat says “Bah, humbug”!
Many cats find visitors to the house, especially children or large parties, very stressful. Make sure that you put an extra litter box, food and water in a quiet area that your cat can reach without having to go past the visitors. Leave the current litter boxes and food and water where they typically are located. - Christmas trees – Grumpy Cat says “Christmas trees are for climbing, and if possible, destruction”.
Cats tend to think both real and artificial trees make great climbing and hiding places. Secure trees to ceilings or stair rails to save Grandma’s priceless ornaments from destruction when the tree is scaled, hidden in, or otherwise investigated. Keep breakable ornaments on upper branches and use unbreakable ornaments on lower branches. Cover the water reservoir for real trees, as your cat’s inner Grumpy Cat requires he drink it and have diarrhea on the carpet just before guests arrive. - Tinsel and Christmas ribbon – Grumpy Cat says: “Thanks for the appetizers, I will have the turkey for my entrée”.
Many cats love the texture of tinsel and Christmas ribbon. They starts chewing on it and because of the little spines on their tongues, they cannot spit it out. They swallow the tinsel or ribbon and it gets stuck in the intestinal tract. This can be fatal and usually requires surgery. Use stick on bows and avoid tinsel on the tree. - Holiday travel – Grumpy Cat says, “Fish and relatives stink in 3 days- or much less!”
Cats thrive on routine. Visiting other people’s home is stressful, especially if there are other resident pets. When taking your cat to a different home, keep it confined in one room with food, water and litter boxes. Your cat will not make friends with the other pets during a short visit. Even without other pets, getting used to multiple rooms takes a fair amount of time. - Festive greenery – Grumpy cat says, “The only good plant is a dead plant”.
Many plants are toxic to cats. The poinsettia is irritating to the cat’s intestinal tract and causes vomiting and diarrhea, but lilies and mistletoe are extremely poisonous and usually fatal when eaten. - Favorite present – Grumpy Cat says “You!!!”
Holidays are hectic times and pets often miss out on their usual attention. 10 minutes of TLC 1-2 times a day may be all your cat needs to feel like King of the Household. Of course, laser pointers, feeding ball toys, heated beds (especially for older cats), anything with catnip, cat trees placed by the window, and a very clean litter box are also much appreciated. Daily canned food is also on most cats’ wish lists. May your cat’s inner Grumpy Cat be stunned by how you anticipated and filled his Christmas list!
Feline Sense and Scents-ability: Taste and Smell (Part 2 of 4)
If you missed it: Feline Sense and Scents-ability: Hearing (Part 1 of 4)
Cats rarely chew on plants, compared to dogs, because the main draw that plants provide is their sweet sugar content. Cats not only fail to taste sweet things, they also deal with sugars poorly in other ways – among other things, they lack a sugar digestion enzyme that both dogs and people have called “glucokinase” which helps break down sugars inside the cells.
Because cats can’t taste sweets, they don’t really “enjoy” sugary snacks the way we would. The inclusion of carbohydrates in cat food has become a very “hot topic” in feline nutrition – while corn and other carbohydrate sources, blueberries, kelp and cranberries may contain many beneficial nutrients, cats likely do not appreciate the flavor, and in some cases it is not certain how well they digest these ingredients.
Most cats prefer canned diets in which the first several ingredients are meat-based. Canned food is better for cats than dry diets because it contains a high water content (about 80%), which helps maintain a lower urine specific gravity (less “stuff” in the urine), which helps protect the kidneys and can help prevent urinary crystals and stones. Most of the cats that we see at Exclusively Cats Veterinary Hospital who are urinating outside the box and have bladder stones or uncomfortable crystals in their urine are eating a dry-food-only diet.
Something else to note – cats do not like bitter taste any more than people do. If you use baking soda in your litter box as a deodorizer and your cat starts eliminating elsewhere, you might stop adding the baking soda to the box. It is quite bitter in taste, and while cats don’t eat litter, they do groom their paws after using the box, so can associate the bad taste of the baking soda with using the litter!
In 2005, a study was done that discovered the entire cat family is lacking the gene for tasting the flavor “sweet”. They have taste buds in that region of the tongue, but they do not function. Cats do taste salty, sour and bitter. Their favorite tastes are salty and sour. Some cats are drawn to “sweet” foods, but it is likely the fat content vs. the flavor that they like.
Their sense of taste is much duller than ours as well – where a human tongue has over 9,000 taste buds, a cat has only 473! The cat may make up for this lack of taste buds with the small Jacobson’s organ at the front of its mouth – a “vomeronasal” organ which is slightly different than either smell or taste. You can see the ducts leading to this organ in the roof of your cat’s mouth behind the upper incisors. The organ sits right at the front of the mouth and connects to the nasal passages. Snakes, elephants and horses also have this organ, among other animals. Humans, it seems, do not have a working vomeronasal organ. To use it most effectively, the cat passes air over the front of the tongue and then touches the tongue to this sensory organ to deposit pheromone molecules there. You can see your cat using this organ when it wrinkles its lips, opens its mouth and slightly sticks its tongue out when “smelling” an area where it finds an interesting smell.
With 200 million odor-sensitive cells in its nose, compared to a human’s paltry five million, a cat’s sense of smell is much more sensitive than ours. However, they don’t hold a candle to a dog’s smelling ability. Dogs have between 149 million and 300 million receptors. Still, smell is one of a cat’s more important senses. Because smell is so important to cats, a stuffed up nose can be extremely detrimental! If a cat can’t smell his food, he is highly likely to turn his nose up at it. Conversely, a scented litter that we find to be pleasantly fresh-smelling is like drowning in perfume to a cat’s sensitive schnozz.
Poisonous Plants
When I think about poisonous plants and cats, I immediately think about Rocky, and how he survived lily poisoning. His owner, Susan had come home from work and found him happily lounging on the rug next to a lily he had taken from a bouquet. He had never bothered flowers before, so Susan had thought the lilies would be safe. Lucky for Rocky, Susan knew that this exposure could be toxic and that early intervention was critical. Rocky was hospitalized and after several days of aggressive intravenous fluids and supportive care, Rocky went home to a safe, lily-free home, with mild, but manageable kidney damage. What a lucky guy!
Lilies are perhaps the most common and the most poisonous plant your cat may encounter. All parts of the lily are poisonous, including the yellow-brown pollen that so easily gets on your clothing (or your cat if he brushes up against the flowers). Treatment is successful only if started early.
While cats tend to be more cautious than dogs in regards to what they eat, they often surprise us by eating unusual things. It is important to be aware of what dangers may lay in and around your house and how you can best keep your cat safe. Remember that since most cats are good groomers, they swallow particles from most things they touch. In other words, whatever they touch, they swallow. In addition, if your cat chews or eats part of a plant, they will also be swallowing any fertilizer and/or pesticides that were applied to the plant. Know that even if your cat looks fine, exposure to certain plants or other toxins requires early intervention for successful treatment. While many plants (such as Aloe) will usually cause obvious symptoms (vomiting, diarrhea, tremors and lethargy) fairly quickly, for some toxins, by the time a cat shows symptoms of being sick, treatment may come too late.
Other common plants that are poisonous to cats when eaten include: Marijuana, Sago Palm (including the seeds and nuts), Tulip Bulbs, Azalea, Oleander, Castor Bean, Cyclamen (especially the root) and Yew.
When looking to cat-proof your house (and yard), consult an expert source for information on poisonous plants. The ASPCA’s website has a very complete list at http://www.aspca.org/pet-care/poison-control. You can also reach the ASPCA Animal Poison Control Center 24 hours a day at 888-426-4435 (there is a fee for the consultation). Please call your vet immediately if you think that your cat may have been exposed to a poisonous plant.
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