ABP (NUCLEUS BREEDING PROGRAM)

Question 1

NUCLEUS BREEDING PROGRAM

Answer 1

1. determine breeding animals to be selected and used in a nucleus herd

Question 2

COMPOSITION OF NUCLEUS BREEDING PROGRAM

Answer 2

1. elite (high performing)
2. base herds (lower tier)

Question 3

CLASSIFICATION OF NUCLEUS BREEDING PROGRAM

Answer 3

1. closed
2. open

Question 4

OPEN NUCLEUS BREEDING PROGRAM

Answer 4

1. flexible
2. allow lower tiers to contribute progeny to upper tiers
3. introduce high performing breeds from other herds

Question 5

NUCLEUS

Answer 5

1. top of pyramid
2. purebred herd

Question 6

MULTIPLIER HERD

Answer 6

1. middle tier
2. breed different purebred lines from nucleus
3. cross different purebred lines to produce F1 cross (two-way cross)
4. progeny disseminated to commercial producers

Question 7

BASE HERD

Answer 7

1. commercial production sector
2. make final cross between terminal sire line and dam line