Intro beef cattle population medicine - 2 (Rae) Flashcards
1
Q
Health Management Tools
A
- Identification (weakness in beef cattle)
- Nutrition
- Immunization
- Parasite Control
2
Q
Ideal body condition score of beef cattle
A
5
3
Q
Immunizing vehicles
Virus
A
- Killed virus (KV)
- Modified live vaccine (MLV)
- reduced virulince, attenuated
- Nasal virus vaccine (IN)
- temp specific agent
- Non-replicating MLV (NRML)
- temp specific
4
Q
Immunizing vehicles
Bacteria
A
- Killed bacteria (bacterin)
- inactivated, killed bacteria
- Live bacteria
- live bacteria with altered virulence
- Toxoids
- chemically inactivated toxic products
5
Q
When does the challenge occur
A
- Intranasal around weaning
- MLV alone after weaning…?
6
Q
Parasites
A
- younger animals more likely to be parasitized
- degree dependant on
- age
- weather
- environment
- stocking rate
- pasture mgt
- parasite type
7
Q
Parasite losses
A
- vary by age and type of manangement
- 25-200/yr
- Primarily subclinical
- weight loss
- poor feed utilization
- low concenption rates
8
Q
Parasite Biology
A
- larval emergence
- environmental dependent
- warm, moist conditions
9
Q
Strategy for control
A
- minimize pasture contamination
- de-worm at start of grazing season
- de-worm before egg shedding occurs
- time therapy to seasonal grazing pattersn
- balance stocking rates
- rotate pastures
10
Q
Delivery of Services
A
- Scheduled visits
- Unscheduled visits (emergencies)
- production and health
- morbidity and mortality
- Herd surveillance emergency preparation
- client education
11
Q
Give bulk of immunizations to pregnant cow
A
just before calving, (I think)
12
Q
Bulls
A
- bought 60 days prior to breeding season
- bulls 13 mo to 24 mo ideal
- Virgin bull
- Don’t do any procedures right before breeding season
13
Q
Bull care post breeding season
A
- immunizations
- parasite control
- maybe inc nutrition
14
Q
Intranasal product is good for
A
an imminent challenge
15
Q
Internal parasites common in young calves
A
- Ostertagia
- Haemonchus
