Eastern Bloc countries such as the Soviet Union had high rates of population growth. In 1917, the population of Russia in its present borders was 91 million. Despite the destruction in the Civil War, the population grew to 92.7 million in 1926. In 1939, the population increased by 17 percent to 108.
Causes of Chronic Vomiting in Dogs Chronic vomiting can be caused by diseases of the gastrointestinal tract or can occur secondary to other systemic diseases. It is important to try to establish the cause of chronic vomiting.
My Dog Keeps Throwing Up. Your vet might prescribe a medication like Metoclopramide to ease your dog's vomiting, but this only addresses the symptoms. Vomiting is a symptom of a problem, rather than a diagnosis in its own right, so letâs take a look at some of the reasons why a dog might throw up.his causes the dog throwing up yellow foam, usually first thing in thing in the morning just after heâs woken up. This condition is not an illness as such, but the result of the dog having an empty stomach overnight and bile irritating the stomach lining, which makes him throw up. [*].