Among domestic animals are dogs and cats, big and small cattle, horses, pigs and poultry, in the southern regions of the USSR - buffaloes, donkeys, camels, Northern deer. Close to the pet bee and silkworm silkworms, decorative and singing birds, fishbred in ponds and aquariums. How would transitional stage from wild to domestic animals are bred in semi-free conditions spotted deer, stags, deer, pheasants, swans and others, in captivity - the polar Fox, Fox, mink and other fur-bearing animals, and laboratory animals (see).
The value of domestic animals to humans is very high. They serve as important sources of food, in particular protein, they are particularly rich in milk and dairy products. Dairy products are dietary properties and are recommended for treatment of some diseases. So, tuberculosis, diseases of the stomach, depleted patients give kumys. Fat, fat, lanolin used as medicines or basis for their manufacture. Natural gastric juice receive from healthy dogs. From the tissues and organs of animals are preparing medicines: Central nervous system stimulants (pantocrine, adrenaline and other), the funds that affect coagulation (heparin), cholagogue (allohol) and many others. The number of domestic animals is "living a factory" in the formulation of sera and vaccines. Laboratory animals used in a variety of experimental research.
Pets have a large epidemiological importance, as may be the source of infection of people of different infections and invasions. With large and small horned cattle linked the spread of brucellosis, anthrax, foot and mouth disease, Salmonella, tick-borne encephalitis and other diseases; horses, donkeys can infect low glanders; pigs - anthrax, brucellosis, and parasitic infection - the teniidoz and trichinellosis; dog - rabiesand some worms (Echinococcus). In the transfer of human plague can play the role of camels. Poultry are important in the disease of salmonellosis; waterfowl (in particular, ducks)and pigeons mainly passed psittacosis.
Many diseases associated with Pets is predominantly of a professional nature. Infection of humans occurs through contact with infected animals or contaminated by them objects of the external environment, by eating meat or milk of infected animals in a raw, half-baked, and through parasitic animals arthropods.
The risk of infection of people from Pets increases during the epidemic at non-observance necessary sanitary protective measures. Of great importance in the prevention of zoonoses have quarantine measures at import in the country of Pets from abroad, as well as measures of specific prophylaxis (immunization of animals).