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Animal Repro > Reproduction > Flashcards

Reproduction Flashcards

1
Q

puberty

A

age of sexual maturity

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2
Q

testes

A

housed in scrotum

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3
Q

scrotum

A

houses testes and regulates body temp.

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4
Q

testicles

A

where sperm cells are produced

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5
Q

male growth hormone

A

testosterone

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6
Q

4 functions of the epididymis

A

storage, transportation, concentration, maturation

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7
Q

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

A

6 weeks

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8
Q

liquid for sperm cells to live in, buffering effect

A

seminal fluid

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9
Q

semen consists of

A

sperm and seminal fluid

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10
Q

4 factors to look at during a breed soundness evaluation

A

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

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11
Q

semen straws

A

1/2 cc

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12
Q

ovary

A

produces eggs

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13
Q

FSH (follicle stimulating hormone)

A

matures follicle

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14
Q

most mature follicule

A

graafian follicle

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15
Q

LH

A

causes follicle to rupture and release eggs

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16
Q

CL

A

produces progesterone

17
Q

progesterone

A

keeps animal pregnant, prevents FSH

18
Q

PgF2a

A

regresses CL

19
Q

where does conception occur?

A

in the upper 1/3 of the fallopian tube

20
Q

where do you deposit semen during artificial insemination?

A

in the body of the urterus

21
Q

how long does an egg live?

A

6-12 hrs

22
Q

how long does sperm live?

A

30 hrs

23
Q

duration of standing heat

A

16-18 hrs

24
Q

when does ovulation occurs?

A

12 hrs after standing heat

25
Q

when is the best time to breed a cow?

A

towards the end of standing heat

26
Q

cow, goat, pigs, horse estrus cycle

A

21 days

27
Q

cow gestation period

A

283 days

28
Q

factors that affect gestation period

A

age, breed, and sex of calf

29
Q

best time to breed pigs

A

12 and 24 hrs after onset heat

30
Q

gestation period of pigs

A

114 days

31
Q

best time to rebreed a sow

A

3-5 days after weaning

32
Q

what triggers goats and sheep to come into heat?

A

cooler weather

33
Q

sheep estrus cycle

A

14 days

34
Q

gestation period (goats and sheep)

A

148 days

35
Q

best time to breed a mare

A

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

36
Q

horse gestation period

A

336 days

37
Q

foal heat

A

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

Animal Repro (1 decks)

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