02 - management

Question 1

(mgmt)

(dairy)

1. calves are weaned from dam when?
2. and from milk when?

Answer 1

1. at birth
2. 8 weeks

Question 2

(mgmt)

(dairy)

1. goal is for first calving at what age?

Answer 2

1. 23-24 months

Question 3

(mgmt)

(dairy)

1. predominant breed is what?

Answer 3

1. holstein

Question 4

(mgmt)

(dairy)

1. what is given to increase milk production?
2. how much of a daily increase?
3. is it safe?

Answer 4

1. recombinant bovine somatotropin (rBST)
2. 10 lb
3. yes

Question 5

(mgmt)

(dairy)

Question 6

(mgmt)

(dairy)

(parasite control)

1. internal parasites cause disease in young cattle
2. housed cattle and less risk than grazing
3. what affect from weaning to 8 months?
4. from weaning to first calving?
5. control by deworming, rotational grazing, and monitoring of fecal egg counts

Answer 6

3. eimeria spp
4. helminths (ostertagia ostertagi, trichostrongylus, cooperia, nematodirus)

Question 7

(mgmt)

(dairy)

(parasite control)

1. lice cause pruritis and alopecia in winter months and can contribute to transmission of what?

Answer 7

1. ringworm

Question 8

(mgmt)

(beef)

(industry segments)

1. specialize in breeding cattle with good genetics for sale?
2. focuses on reproducing cattle for food supply
3. takes weaned calves destined for food supply and adds lean weight to them using low cost feeds (pasture)
4. fattens cattle destined for food supply using mostly high concentrate diets

Answer 8

1. seed stock
2. commerical cow-calf
3. stocker-backgrounder
4. feedlot

Question 9

(mgmt)

(beef)

(life cycle)

1. breeding: cows bred during a limited period, often 60 to 90 days
2. calving: timed so that high quailty feed available when born for lactation
3. weaning: typically done when?

Answer 9

3. 4 to 6 months

Question 10

(mgmt)

(beef)

(performance parameters)

1. expected progeny differences = ?
2. pregnancy rate =?
3. calving percentage = ?
4. weaning percentage = ?
5. feed conversion efficiency = ?

Answer 10

1. genetic value of animal as parent
2. number of cows pregnant over number of cows bred
3. number of calves born over number of cows bred
4. number of calves weaned over number of cows bred
5. pounds of feed per pound of gain

Question 11

(mgmt)

(beef)

(cow calf industry)

(breeding mgmt)

1. breeding season typically lasts 60 to 90 days

Question 12

(mgmt)

(beef)

(cow calf industry)

(breeding mgmt - bulls)

1. what are the three methods of breeding?

Answer 12

1. natural, AI, embryo transfer

Question 13

(mgmt)

(beef)

(cow calf industry)

(breeding mgmt - bulls)

1. what are the three parts of the breeding soundness exam?
2. scrotal circumference correlates to what three things?

Answer 13

1. physical exam to make sure can physically breed (lameness, blindness)
2. repro tract exam
3. semen evaluation
4. volume of semen, age of maturity or offspring, and pelvic size of daughters

Question 14

(mgmt)

(beef)

(cow calf industry)

(breeding mgmt - calving)

1. calves born in barns, in calving pens and dry lots, or on pastures
2. passive immunity is derived from what?

Answer 14

2. colostrum

Question 15

(mgmt)

(beef)

(cow calf industry)

(breeding mgmt - calving)

1. cows raise calves until when?
2. calf growth dependent on nutrients derived primarily from what?
3. when are calves weaned?

Answer 15

1. weaning
2. milk

(may be offered supplmentary grain = creep feed)

3. 4-6 months after birth, raised seperate from cows

Question 16

(mgmt)

(beef)

Question 17

(mgmt)

(beef)

(stocker-backgrounder)

1. take recently weaned calves and prepare them for what?
2. goal is to do what?

Answer 17

1. the feedlot
2. put on weight with low cost feeds

Question 18

(mgmt)

(beef)

(feedlot)

1. feedlot is segment of beef industry used for finishing cattle before slaughter
2. cattle are fed high-concentrate diets to encourage what?

Answer 18

2. deposition of intramuscular fat

Question 19