Questions 90-107 Flashcards
USDA-APHIS-VS sets guidelines for interstate movements
true
cattle brucellosis can cause:
all of the above: cows to abort, delivery of very weak calves, production of less milk
the most frequent way bacteria infect cattle is through:
the mouth of cattle
Cattle tuberculosis is considered a reportable disease and positive results should be reported to the USDA
True
what is the main cause of animals infected with anthrax?
swallowing germ spores
in what weather conditions do anthrax spores come to the surface?
extremely wet or dry weather
how is pseudorabies typically transmitted among swine?
by spores in the soil
how are pullorum disease and fowl typhoid primarily transmitted to day-old chicks?
by direct contact with infected birds
what does NPIP stand for in the context of poultry health?
National Poultry Improvement Plan
what is the purpose of the withdrawal time for animals treated with drugs and vaccines?
to allow for the administered substances to be eliminated from the animal for safe human consumption
what is NOT a role of a state board of veterinary medical examiners under the veterinary practice act?
to overlook the feeding of livestock animals
what are the two main categories of infectious agents?
germs and parasites
how do viruses infect animal cells
by replicating cellular material
what are the symptoms of bacterial gastroenteritis?
excessive salivation, vomiting, diarrhea, straining, and abdominal pain
what is a common method for diagnosing the presence of roundworms in animals
fecal flotation