Breeding Systems

Question 1

Mating two animals of the same breed who are often registered and more valuable than grade animals

Answer 1

Purebreeding

Question 2

Practice of breeding animals from different
families within the same breed

Answer 2

Outcrossing

Question 3

Practice of breeding a grade animal to a
purebred animal

Answer 3

Grading up breeding

Question 4

Shape and body type of an animal that varies by species/ breed and should not be considered for breeding

Answer 4

Conformation

Question 5

____________ ____________ is just as important as the main goal (produce offspring)

Answer 5

Reproductive physiology

Question 6

Four cycles of estrus cycle

Answer 6

1. Proestrus
2. Estrus
3. Metestrus
4. Diestrus
   +/- Anestrus

Question 7

Estrous cycle phase with…
Decreased progesterone and
Increased estrogen

Answer 7

Proestrus

Question 8

Estrous cycle phase with…
Corpus luteum lysis (from prostaglandins)
GnRH + FSH stimulating follicle development

Answer 8

Proestrus

Question 9

Estrous cycle phase with…
Peak estrogen lvl
Egg released + fertilized if bred
Triggers ovulation by releasing LH

Answer 9

Estrous

Question 10

Estrous cycle phase with…
Estrogen decreases
Corpus Luteum development (increased progesterone)

Answer 10

Metestrus