Horse: Technology of race horse breeding. Traits, and genetic improvement of race horses Flashcards
1
Q
Performance testing
A
Measuring
- Selection
- Pedigree
- Conformation
- Performance
All of which have low h2 values and are 1° traits
2
Q
List the other 1° traits in horse breeding
A
- Speed of gallop
- Accumulated prize
- Strong empirical + environmental factors
3
Q
Working span of flat racers
A
Short (retire early)
4
Q
Jump racers working span
A
12 years
5
Q
When is the thouroghbred season?
A
Feb-June
6
Q
For harness racing, what is the key additional 1° trait?
A
Trotting ability at speed
7
Q
What can be performed for the speed gene?
A
Marker-assisted selection (MAS)
A single nucleotide polymorphism in the myostatin gene
8
Q
Myostatin genotype for short distances
A
C/C
9
Q
Myostatin genotype for medium distances
A
C/T
10
Q
Myostatin genotype for long distances
A
T/T