VBMS 303 Exam #3 questions with
complete solutions
Which of the following infections (diseases) occurs in a carrier state and can be avoided from being
introduced into a clean (negative) herd by testing animals before introducing them into the herd? -
correct answer ✔✔- mycobacterium paratuberculosis (Johne's Disease)
- bovine viral diarrhea virus
- salmonellosis
Bloat in ruminants is? - correct answer ✔✔due to decreased elimination of gases from the rumen
Salmonellosis (Salmonella spp. infection) is transmitted by? - correct answer ✔✔- feces and milk
- birds
- rodents
- carrier animals
Control measures for Clostridium perfringens infections in livestock include? - correct answer ✔✔- pre-
calving immunization of heifers
- management of rations
- sanitation
- immunization of calves and piglets
The occurrence of liver abscesses in cattle? - correct answer ✔✔- is associated with the occurrence of
lactic acidosis
- results in condemnation of a significant % of livers @ slaughter
- may be limited by feeding rations containing adequate roughage
- may be limited by proper management of rations of cattle on feed
, Losses associated with bovine viral diarrhea virus infection may be reduced by? - correct answer ✔✔-
identifying carrier animals within a herd and removing them from the herd
- biosecurity
- vaccination
- purchasing herd replacement animals from BVDV negative herds
Salmonellosis (salmonella spp. infection)... - correct answer ✔✔- is transmitted by carrier animals
- may result from fecal contamination of livestock feed
- may be transmitted by rodents
- may cause food poisoning
What is a common finding in pigs or calves with diarrhea regardless of cause? - correct answer
✔✔dehydration
Choke (blockage of the esophagus)... - correct answer ✔✔- may occur in ruminants that attempt to
swallow bones or fruit
- may occur repeatedly in the same horse
- may occur in ponies fed grain diets containing molasses
- may result in bloat in ruminants
Johne's Diesease... - correct answer ✔✔- generally initiated by infections of young calves
- occurs in cattle over two years old due to long incubation period
- may occur in cattle in NE
- may be transmitted by fecal contamination of feed
The occurrence of lactic acidosis and liver abscesses in cattle is associated with? - correct answer
✔✔ingestion of highly fermentable carbohydrates
Conditions associated with bovine viral diarrhea virus infection of the bovine fetus during the first
trimester of gestation are? - correct answer ✔✔- immunotolerance
complete solutions
Which of the following infections (diseases) occurs in a carrier state and can be avoided from being
introduced into a clean (negative) herd by testing animals before introducing them into the herd? -
correct answer ✔✔- mycobacterium paratuberculosis (Johne's Disease)
- bovine viral diarrhea virus
- salmonellosis
Bloat in ruminants is? - correct answer ✔✔due to decreased elimination of gases from the rumen
Salmonellosis (Salmonella spp. infection) is transmitted by? - correct answer ✔✔- feces and milk
- birds
- rodents
- carrier animals
Control measures for Clostridium perfringens infections in livestock include? - correct answer ✔✔- pre-
calving immunization of heifers
- management of rations
- sanitation
- immunization of calves and piglets
The occurrence of liver abscesses in cattle? - correct answer ✔✔- is associated with the occurrence of
lactic acidosis
- results in condemnation of a significant % of livers @ slaughter
- may be limited by feeding rations containing adequate roughage
- may be limited by proper management of rations of cattle on feed
, Losses associated with bovine viral diarrhea virus infection may be reduced by? - correct answer ✔✔-
identifying carrier animals within a herd and removing them from the herd
- biosecurity
- vaccination
- purchasing herd replacement animals from BVDV negative herds
Salmonellosis (salmonella spp. infection)... - correct answer ✔✔- is transmitted by carrier animals
- may result from fecal contamination of livestock feed
- may be transmitted by rodents
- may cause food poisoning
What is a common finding in pigs or calves with diarrhea regardless of cause? - correct answer
✔✔dehydration
Choke (blockage of the esophagus)... - correct answer ✔✔- may occur in ruminants that attempt to
swallow bones or fruit
- may occur repeatedly in the same horse
- may occur in ponies fed grain diets containing molasses
- may result in bloat in ruminants
Johne's Diesease... - correct answer ✔✔- generally initiated by infections of young calves
- occurs in cattle over two years old due to long incubation period
- may occur in cattle in NE
- may be transmitted by fecal contamination of feed
The occurrence of lactic acidosis and liver abscesses in cattle is associated with? - correct answer
✔✔ingestion of highly fermentable carbohydrates
Conditions associated with bovine viral diarrhea virus infection of the bovine fetus during the first
trimester of gestation are? - correct answer ✔✔- immunotolerance
