The Encyclopedia Americana, Količine 1–30Bernard S. Cayne Grolier, 1981 |
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Stran 63
... diseases are tubercu- losis , brucellosis , and rabies . Bovine Tuberculosis . - Of all the diseases of animals , none has been more important than bovine tuberculosis . The disease has appeared among cattle of all parts of the world ...
... diseases are tubercu- losis , brucellosis , and rabies . Bovine Tuberculosis . - Of all the diseases of animals , none has been more important than bovine tuberculosis . The disease has appeared among cattle of all parts of the world ...
Stran 64
... disease constitutes a large and important portion of any veterinarian's efforts . Advice on nutrition , sani- tation , breeding , and other husbandry practices is valuable , as is the vaccination of animals against many infectious diseases ...
... disease constitutes a large and important portion of any veterinarian's efforts . Advice on nutrition , sani- tation , breeding , and other husbandry practices is valuable , as is the vaccination of animals against many infectious diseases ...
Stran 66
... disease classification is by the type of agent responsible for causing the disease . There are bacterial , viral , mycotic , protozoan , and metazoan agents . Another complicating factor in the diagnosis of animal disease is the ...
... disease classification is by the type of agent responsible for causing the disease . There are bacterial , viral , mycotic , protozoan , and metazoan agents . Another complicating factor in the diagnosis of animal disease is the ...
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