1. Type of Food - When a dog eats and eats without ever feeling satisfied and full, this is often due to the type of food that he is ingesting. Foods that lack proper nutrients will be ingested, they will pass right through the body - since they offer the body very little in terms of what it needs to maintain itself - and then the dog will be hungry again only an hour or so later, since his body did not receive what it needed when he last ate.
2 components are to blame:
are at fault for much of this sort of problem. Fillers are ingredients that are added to a manufactured dog food with the sole purpose of plumping up the food to make it appear that there is more than there actually is.
They offer very little to no nutritional value, passing right through the body. For this reason, bowel movements will be large, since just about all fillers are useless to the dog; they come right out. In addition, many are fibrous ingredients, which causes rapid turnaround in the digestive system, which means more bowel movements.
Some of the foods that can cause a Shih Tzu to be hungry all of the time, since the dog is only receiving a percentage of real food in his meals are: corn, feathers, peanut hulls, straw, weeds, soy, cottonseed hulls and citrus pulp.
B: Other ingredients such as by-products
offer very little nutritional value and can therefore cause a Shih Tzu to appear to be eating too much, when in fact the dog is only hungry because he didn't receive a lot of actual food in his dish.
When you read the list of ingredients on dog food, it can be misleading because you'll usually see a 'good' word such as chicken, beef or lamb. However, when the word by-product follows that word, it means that it can be: paws, livers, heads, brains, stomachs, lungs, spleens and/or intestines of other animals.
The above may also be referred to as meat meal, meat by-product, or meat and bone meal.
By law and fully legally, this so-called meat can come from: road kill, pets that have been euthanized at animal shelters, deceased animals from the zoo and chickens that have died during delivery.
Some people have a hard time coming to terms that this is allowed. It is so disturbing that many owners just don't want to believe it.
Therefore, a Shih Tzu may seem to eat everything or eat too much, but be malnourished at the same time if he is being fed a low quality food. Aside from the ravenous appetite, symptoms of malnourishment are:
• Changes to the coat including hair loss bald patches
• Flatulence - strong or frequent passing of gas or burping
• Runny bowel movements or hard feces
• Vomiting bile (stomach acid) - this will be a yellowish foam
• Lack of energy
• Possible depressive behavior
• Eventual tooth loss, weaken bones and vision problems
If your Shih Tzu is hungry all of the time and you are feeding him commercial dog food, look carefully at the list of ingredients for any of the above mentioned fillers and/or by-products.
Choose a high-quality food, or if his appetite has led to a weight gain, take safe steps to help your Shih Tzu lose weight
by combining low-calorie kibble, snacks, and gradual increase of exercise.