Reproduction Review

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Reproduction Review
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Question 1

• The female reproductive part that receives the
  penis and semen at breeding, allows the fetus to
  pass through at birth and serves as a passageway
  for expelling urine is the

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Vagina
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Question 2

• The female repro part that is thick-walled and
  made up of several folds and rings of muscular
  tissue that is the neck of the uterus

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Cervix
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Question 3

• The part of the female repro system that is
  between the infundibulum and the uterus and is
  also called the fallopian tubes is the

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Oviduct
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Question 4

• The period of time an animal is pregnant is

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Gestation
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Question 5

• The time period that a female animal is receptive
  to breeding

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Estrus
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Question 6

• The act of giving birth is known as

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Parturition
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Question 7

• The sac or pouch that holds the two oval-shaped
  meaty structures

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Scrotum
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Question 8

• The period of time that milk is secreted by the
  mammary glands

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Lactation
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Question 9

• The external opening to the reproductive system
  of a cow is the

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Vulva
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Question 10

• The part of the sows reproductive system also
  known as the womb

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Uterus
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Question 11

• The part of the male reproductive system that
  protects the penis from injury

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Sheath
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Question 12

• What male reproductive part is found in poultry
  but NOT in livestock

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Papilla
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Question 13

• The part of the female reproductive system where
  the fetus grows and develops

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Uterus
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Question 14

• The part of the bulls reproductive system that
  is inside the scrotum is the

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Testicles
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Question 15

• The part of the female reproductive system that
  produces eggs

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Ovary
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Question 16

• The female livestock reproductive part that
  carries eggs from the ovary to the uterus

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Oviduct
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Question 17

• The male livestock reproductive part that has the
  dual function of passing urine from the body and
  depositing semen in the female reproductive system

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Penis
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Question 18

• The funnel-shaped end of the oviduct that is
  located below the ovary

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Infundibulum
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Question 19

• The part of the livestock reproductive system
  that connects the vulva to the cervix

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Vagina
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Question 20

• The process of removing the testicles of a male
  animal

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Castration
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Question 21

• The male reproductive parts that produce sperm
  and the male sex hormones are the

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Testicles
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Question 22

• The male reproductive part where sperm are stored
  while they mature

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Epididymus
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Question 23

• Main female sex hormone that is produced by the
  follicles on ovaries.

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Estrogen
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Question 24

• What does FSH do?

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Follicle Stimulating Hormone- Stimulates growth
of hormones
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Question 25

• What does LH do?

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Luteinizing Hormone- causes ovulation of mature
follicles- develops the CL
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Question 26

• Hormone produced by the CL and maintains pregnancy

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Progesterone
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Question 27

• As estrogen increases
• Progesterone ___________

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Decreases
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Question 28

• What hormone causes labor to start and stimulates
  milk let down

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Oxytocin
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Question 29

• What is unique about hen ovaries?

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They only have 1 (that functions)
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Question 30

• What is the cycle length of a cows estrus cycle?

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21 days
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Question 31

• How long is a cow typically in standing heat?

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16 18 hours
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Question 32

• What is the purpose of estrus synchronization?

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• So all the cows can be bred at the same time and
  calve at the same time

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Question 33

• What is ovulation?

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When an egg is released
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Question 34

• What does precocial mean?

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Young are born mature can eat
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Question 35

• A male animal in which one or both testicles
  failed to descend into the scrotum during
  development

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Cryptorchid
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Question 36

• What is AI?

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Artificial Insemination
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Question 37

• Name 2 AI tools

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Dummy, semen straws, artificial vagina,
Insemination gun/pipettes, thawing tank, liquid
nitrogen tank
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Question 38

• What is Straightbreeding?

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Breeding 2 animals of the same breed together
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Question 39

• What is it called when you breed 2 animals of
  different breeds?

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Crossbreeding
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Question 40

• What is one factor to consider when deciding on a
  breeding system?

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• Climatic Conditions
• Market
• Knowledge of genetics
• Size of operation
• Personal preference
• Available resources
• Goals of the breeder

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Question 41

• What is grading-up?

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Mating a purebred sire to a lower grade female
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Question 42

• When the offspring of 2 animals outperform its
  parents or exhibits stronger characteristics of
  either of its parents

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Heterosis/Hybrid Vigor
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Question 43

• Name an example of artificial breeding

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AICloningIVFET