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.
Causes of Watery Stool. If your dog has a watery stool, this can be attributed to food intolerance or his diet, or a more serious condition such as a tumor in the gastrointestinal tract. A sudden change in the dog's diet may also lead to diarrhea and vomiting.There may be other reasons why your dog has watery stool including:1  Various internal parasites that lodge the intestinal tract. 2  An infection of the gastrointestinal tract, which may be due to something the dog ingested from the garbage or even meat that is not properly cooked. 3  A thyroid problem.here may be other reasons why your dog has watery stool including: 1  Various internal parasites that lodge the intestinal tract. 2  An infection of the gastrointestinal tract, which may be due to something the dog ingested from the garbage or even meat that is not properly cooked.