Pregunta 1
Pregunta
In general, vaccines prevent disease.
Pregunta 2
Pregunta
Clostridial immunity is excellent because
Respuesta
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it is modified live
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it is killed
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of protein subunits
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of toxoids
Pregunta 3
Pregunta
Brucellosis in cattle has been eradicated but vaccination is still persistent.
Pregunta 4
Pregunta
Which of the following is FALSE regarding vaccination against brucellosis in cattle?
Respuesta
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Cattle should be vaccinated during calfhood
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Cattle shipped frequently should be vaccinated
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Buyers and sellers cannot require that calves be vaccinated
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certification/accreditation is available for Brucellosis
Pregunta 5
Pregunta
The vaccine for which bacterium should be given to the cow as prevention in the neonate?
Respuesta
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E. coli
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Footrot
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Leptospirosis
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Pasteurellosis
Pregunta 6
Pregunta
Footrot is caused by which bacterium?
Pregunta 7
Pregunta
Hosts don't make good antibodies against which bacterium?
Respuesta
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Escherichia
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Fusobacterium
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Leptospira
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Pasteurella
Pregunta 8
Pregunta
Which bacteria use leukotoxins against neutrophils in the lung?
Pregunta 9
Pregunta
Which strain was most recently added to the 6-way Leptospira vaccine?
Respuesta
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Leptospira interrogans
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L. serovar canicola
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L. serovar grippotyphosa
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L. Hardjo-bovis
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L. serovar hardjo
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L. serovar pomona
Pregunta 10
Pregunta
The mannheimia hemolytica leukotoxoid vaccine decreases severity and incidence.
Pregunta 11
Pregunta
Which has the most effective bacterial vaccine?
Respuesta
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Moraxella bovis
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Salmonella typhimurium
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Staphylococcus aureus
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Haemophilus somnus
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Manheimmia hemolyticum
Pregunta 12
Pregunta
Optional use vaccines depend upon the region and farm specific factors including the expected disease challenge.
Pregunta 13
Pregunta
Which of the following is NOT a critical use vaccine?
Pregunta 14
Pregunta
Which of the following is NOT a choice for the Infectious Bovine Respiratory Virus (IBR)/ Parainfluenza virus (PI3)?
Respuesta
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MLV paranteral
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MLV intranasal
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MLV oral
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chemically altered
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killed
Pregunta 15
Pregunta
Modified Live Vaccines are safe for use in pregnant cows.
Pregunta 16
Pregunta
Modified Live Vaccines are more effective and economical because they typically do not require a booster.
Pregunta 17
Pregunta
Bovine Viral Diarrhea Modified Live Virus vaccine has the potential to exacerbate preexisting problems.
Pregunta 18
Pregunta
All leptospirosis vaccines are killed products or bacterins.
Pregunta 19
Pregunta
What is the most common manifestation of Leptospirosis in cows?
Respuesta
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Abortion
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Anemia
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Fever
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Mastitis
Pregunta 20
Pregunta
Because they are strong initiators of immunity, Leptospirosis vaccines do not require booster doses.
Pregunta 21
Pregunta
Which category is a fresh sale barn calve?
Respuesta
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Category I
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Category II
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Category III
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Category IV
Pregunta 22
Pregunta
Category I calves require
Respuesta
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vaccinations
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Anthelmintics
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Coccidiacontrol
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No requirements