Reproduction

Question 1

puberty

Answer 1

age of sexual maturity

Question 2

testes

Answer 2

housed in scrotum

Question 3

scrotum

Answer 3

houses testes and regulates body temp.

Question 4

testicles

Answer 4

where sperm cells are produced

Question 5

male growth hormone

Answer 5

testosterone

Question 6

4 functions of the epididymis

Answer 6

storage, transportation, concentration, maturation

Question 7

how long does it take for a fully mature sperm cell to develop?

Answer 7

6 weeks

Question 8

liquid for sperm cells to live in, buffering effect

Answer 8

seminal fluid

Question 9

semen consists of

Answer 9

sperm and seminal fluid

Question 10

4 factors to look at during a breed soundness evaluation

Answer 10

scrotal circumfrance (32 cm), hair rings, morphology, motility

Question 11

semen straws

Answer 11

1/2 cc

Question 12

ovary

Answer 12

produces eggs

Question 13

FSH (follicle stimulating hormone)

Answer 13

matures follicle

Question 14

most mature follicule

Answer 14

graafian follicle

Question 15

LH

Answer 15

causes follicle to rupture and release eggs

Question 16

CL

Answer 16

produces progesterone

Question 17

progesterone

Answer 17

keeps animal pregnant, prevents FSH

Question 18

PgF2a

Answer 18

regresses CL

Question 19

where does conception occur?

Answer 19

in the upper 1/3 of the fallopian tube

Question 20

where do you deposit semen during artificial insemination?

Answer 20

in the body of the urterus

Question 21

how long does an egg live?

Answer 21

6-12 hrs

Question 22

how long does sperm live?

Answer 22

30 hrs

Question 23

duration of standing heat

Answer 23

16-18 hrs

Question 24

when does ovulation occurs?

Answer 24

12 hrs after standing heat

Question 25

when is the best time to breed a cow?

Answer 25

towards the end of standing heat

Question 26

cow, goat, pigs, horse estrus cycle

Answer 26

21 days

Question 27

cow gestation period

Answer 27

283 days

Question 28

factors that affect gestation period

Answer 28

age, breed, and sex of calf

Question 29

best time to breed pigs

Answer 29

12 and 24 hrs after onset heat

Question 30

gestation period of pigs

Answer 30

114 days

Question 31

best time to rebreed a sow

Answer 31

3-5 days after weaning

Question 32

what triggers goats and sheep to come into heat?

Answer 32

cooler weather

Question 33

sheep estrus cycle

Answer 33

14 days

Question 34

gestation period (goats and sheep)

Answer 34

148 days

Question 35

best time to breed a mare

Answer 35

every day or every other dat starting on the 3rd day of heat

Question 36

horse gestation period

Answer 36

336 days

Question 37

foal heat

Answer 37

mare comes into heat 6-9 days after birth AKA 9 day heat