Set 5

Question 1

Components of health management

Answer 1

udder health management
minimizing disease
hoof health
biosecurity
maximizing reproductive health
nutrition
welfare
economically efficient
ease of integration

Question 2

Structure of health management

Answer 2

-regular vet visits on farm ~4-6 weeks
-monitor
data and animals
-prevent
-treat (clinical cases)

Question 3

Beef industry compared to dairy is?

Answer 3

much more diverse and less intensive

Question 4

4 goals of health management

Answer 4

promote optimal health
promote animal welfare
promote human and food safety
consider environmental impact

Question 5

Main goals of cow-calf production include?

Answer 5

get cows pregnant
keep cows pregnant
keep calves alive
get uniform growth
minimize inputs

Question 6

Goal of getting cows pregnant

Answer 6

to have >95% pregnant by the end of the breeding season

Question 7

challenges to pregnancy

Answer 7

bull infertility

cow infertility

Question 8

Examination of bulls includes?

Answer 8

-general physical exam
-breeding soundness exam
scrotal circumference
appearance of scrotum and penis
examine semen: motility, morphology, number

Question 9

Cow infertility can be caused by?

Answer 9

lactational anestrus
nutritional anestrus
genetics(free martin)
systemic illness (metritis)

Question 10

Goal in keeping cows pregnant

Question 11

Viral, bacterial and protozoal risks of abortion

Answer 11

viral: BVD and IBR
Bacterial
-cambylobacter fetus vibrosis
-leptospirosis
protozoal
-neospora caninum
tritichomonas foetus

Question 12

Vibriosis

Answer 12

agent- campylobacter fetus
resevoir= femal repro tract and male prepuce
clinical signs
-infertility, repeat breeders, early embryonic death
-prologned breeding/calving season
-more open cows at end of breeding season
-endometritis

Question 13

Trichomoniasis

Answer 13

Agent= tichomona fetus(protozoa)
Reservoir= bulls(asymptomatic) and cows repro tract
Clinical signs in female
-high number of services per conception
-endometritis, vaginitis
-pyometra after breeding
-early embryonic death, abortion at 16 weeks, some later abortions

Question 14

Prevention of venereal disase

Answer 14

• Use AI
• screen new bulls for disease
• test and cull older, open cows
• vaccinate yearly
• consider maintiaining 2 groups

Question 15

Restricted breeding/calving season

Answer 15

• seasonal breeding and calving
• concentrate calyingsto focus labour
• provide selection pressure for breeding
• breed heifers first

Question 16

Diarrhea prevention

Answer 16

-maximize maternal immunity
-ensure calf is standing and suckling
-minimize other stressors
provide clean environemtn
provide shelter/protection from weather
dystocia management

Question 17

Preparing calves for sale

Answer 17

different options depending on market and buyer

• pre-weaning
• pre-vaccinating
• pre conditioning

Question 18

Castration

Answer 18

band and birth- must vaccinate for clostridials
burdizzo- pinch cord
cut testicles(done at least 3 weeks before weaning)

Question 19

Pre-weaning

Answer 19

• calves weaned >28days before sale
• increased immunity/decreases stress around time of sale
• increases weight for calf sale

Question 20

Pre-conditioned means?

Answer 20

dehorned
castrated
weaned
pre-vaccinated(buyer expects less disease)
usually bunk adjusted