Characteristics of dog digest

Dogs in animal taxonomy belong to meat heads up. The ancestors of dogs to prey mainly of small animals occasionally eat plants with tubers. Dog training by humans dependent, the diet has changed, and turn out to be meat-based omnivorous animals, but vegetarians can also be life-sustaining. Even so, can they still keep to the main meat of such a digestion characteristics, such as canine teeth, up and down each awarded a pair of sharp canine, carnivore reflects Bite at the characteristics of prey, dogs molars relatively sharp, strong can cut off the food, bite the bone, the stress between the upper and lower teeth up to 165 kilograms, but the poor mastication. Therefore, when the dogs eat really "devoured" rarely chew. Esophageal wall in dogs has a wealth of striated muscle, vomiting developed hub. When the poison eat after vomiting can cause a strong reflection, the ingestion of the poison from the stomach, is a relatively unique defense skills. Dogs developed salivary glands, can secrete a large number of saliva, moist mouth and feed, chewing and swallowing easier. Saliva also contains lysozyme, with bactericidal action. In the hot season, saliva depend on the evaporation heat of water to regulate body temperature. Therefore, in the summer we often can see the dog with open mouth, protruding tongue is long in order to replace the thermal sweating. Pear-shaped stomach dogs were not correct, the content of gastric juice hydrochloric acid is 0.4 ~ 0.6%, ranks first in livestock. Expansion hydrochloride denaturation of proteins can facilitate digestion and decomposition. Therefore, the dogs ability to digest protein very strong, which is the basis of its carnivorous habits. After the dog food at 5 ~ 7 hours can be full of food the stomach emptying than other herbivorous or omnivorous animals much faster. Dog intestine shorter body length generally only 3 ~ 4 times, while the same are monogastric intestine of the horse and rabbit for the body length of 12 times.