Horse: Technology of race horse breeding. Traits, and genetic improvement of race horses

Question 1

Performance testing

Answer 1

Measuring

• Selection
• Pedigree
• Conformation
• Performance

All of which have low h² values and are 1° traits

Question 2

List the other 1° traits in horse breeding

Answer 2

• Speed of gallop
• Accumulated prize
• Strong empirical + environmental factors

Question 3

Working span of flat racers

Answer 3

Short (retire early)

Question 4

Jump racers working span

Answer 4

12 years

Question 5

When is the thouroghbred season?

Answer 5

Feb-June

Question 6

For harness racing, what is the key additional 1° trait?

Answer 6

Trotting ability at speed

Question 7

What can be performed for the speed gene?

Answer 7

Marker-assisted selection (MAS)

A single nucleotide polymorphism in the myostatin gene

Question 8

Myostatin genotype for short distances

Answer 8

C/C

Question 9

Myostatin genotype for medium distances

Answer 9

C/T

Question 10

Myostatin genotype for long distances

Answer 10

T/T