Module 4

Question 1

Two important ways herd boards influence the swine breding program

Answer 1

Provide source of genetic improvement
Effect in farrowing rate and litter size

Question 2

Can be a potential source for the introduction of disease into herd.

Answer 2

Replacement boars

Question 3

Number of service per week of a boar age 7 or less months

Answer 3

None

Question 4

Number of service per week of a boar age 8-10 or less months

Answer 4

1 or every 5-10 days

Question 5

Number of service per week of a boar age 11 months

Answer 5

1 or every 4 days

Question 6

Number of service per week of a boar age 12 months

Answer 6

2 or every 3 days

Question 7

Number of service per week of a boar age 18 and over months

Answer 7

3-7 or every other day

Question 8

Too little breeding work is dangerous of the buildup of what?

Answer 8

Stale semen

Question 9

Board in this age has low in quantity and quality of semen

Answer 9

8 months old

Question 10

Very crucial point in a young boar life

Answer 10

1st service

Question 11

Should not be a failure so as not to frustrate and depress the boar

Answer 11

1st service

Question 12

For every 15 sows or less how many board

Answer 12

1 boar if boar is 12 months or older

Question 13

For every 15-25 sows how many boar?

Answer 13

Two board if board is less than 12 months

Question 14

For every 20 sows or less how many boar?

Answer 14

One board if young boar and female are all gilts

Question 15

For every 30 sows or less how many boar?

Answer 15

one boar if it is 12 months or older

Question 16

For every 30 sows or less how many boar?

Answer 16

one boar if it is 12 months or older

Question 17

If the replacement stocks are to be obtained from the farm replace boars every what year?

Answer 17

1.5-2 years

Question 18

Check fertility of the boar by examining

Answer 18

Color
Concentration
Motility volume of the semen