LA2: Bovine Diseases (GI)
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Actinobacillosis is a normal inhabitant of what?
How is actinobacillosis transmitted?
enters wounds by weeds/plants
What is the agent in actinobacillosis?AL
Symptoms of actinobacillosis:NTS
- nodular swelling
- tongue protrusion
tx for actinobacillosis:TS
- sodium iodine
Agent for actinomycosis:AB
Transmission of actinomycosis
enters wounds by weeds and plants
Symptoms of actinomycosis:OLHM
- osteomyelitis of mandible
- less commonly maxilla
- hard immovable bony mass
- may involve tooth root
tx for actinomycosis
- not as responsive to abx because deep infx
- may need sx
In Johne's dz bacteria develope in _ _ (in the intestines) and are phagocytized by _
- peyer's patches
Agent in johne's dz:MP
Transmission of johne's dz
fecal oral rt
Johne's dz is contracted by calves < _, but is not apparent until they are _
With Johne's dz young cows have a good appetite but
loose weight and have d+
tx for Johne's dz
test and cull
Is there a vx for Johne's dz?
yes it is state controlled
BVD stands for
bovine viral diarrhea
Transmission of BVD:ODS
- oral/nasal rt
- direct contact
BVD usually infects calves at
Calves born to a cow with the virus will
have the virus
If the fetus is _ it may die or have defect
After _ the fetus will develop antibodies
What the primary source of infx with BVD?
Other than the cow who can be a carrier for BVD?SGD
Although the symptoms for BVD are mainly GI what may occur?
secondary infx such of resp (pneumonia) or repro
Is there a vx for BVD?
yes a MLV(used with caution) and a killed
Calf scours aka
What are the causes for calf scours?BVPN
Symptoms of calf scours:DDDL
- loss of suckle reflex
tx of calf scours:IEB
- broad spectrum abx
What are 3 ways to prevent calf scours?CHC
- calf hatches
When is the vx for calf scours given?
What would you like to do?
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