ANS2L- 4.01- Reproductive Physiology

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Reproductive Physiology

Anatomy & Physiology

Open Ended

Explain below what you think is the most important pieces of both gender’s role in reproduction?

Poll

How long do you think a cow's estrus cycle last?

• 21 Days

• 28 Days

• 35 Days

Multiple Choice

The average length of the estrus cycle for both cattle and swine is:

• 1 day

• 21 days

• 28 days

• 114 days

Multiple Choice

Accurate heat detection in cows is important because the average length of heat or estrus is about:

• 1 hour

• 16-18 hours

• 6 days

• 10 days

Open Ended

Name 3 signs of a female showing signs of being in estrus:

Multiple Choice

The best indication that a cow is in standing heat and is ready to be bred is

• allowing other cows to mount

• an increase of feed intake

• an increase of milk production

• a tendency to separate from other cows

Multiple Choice

Ovulation is necessary for the animal to:

• become pregnant.

• digest roughages.

• eat food.

• resist disease.

Multiple Choice

What structure located on an ovary is the site where ova develop?

• Corpus luteum

• Infundibulum

• Follicle

• Uterus

Multiple Choice

Which hormone is primarily responsible for a cow displaying signs of heat?

• Estrogen

• Progesterone

• Follicle-stimulating horomone

• Luteinizing horomone

Multiple Choice

Which hormone is primarily responsible for maintaining pregnancy in an animal?

• Estrogen

• Follicle-stimulating horomone

• Progesterone

• Luteinizing horomone

Open Ended

Define both gestation & parturition:

Multiple Choice

If no sperm are present during ovulation, prostaglandin stops the production of which hormone?

• Estrogen

• Progesterone

• Follicle-stimulating horomone

• Luteinizing horomone

Multiple Choice

What stage of parturition involves the actual birth of the fetus?

• Cleaning

• Explusion

• Preparatory

• Retention

Multiple Choice

If left in the mother's body after the baby animal is born, the placenta and other membranes will make the mother sick. This tissue, generally expelled during the birthing process, is also referred to as the:

• uterus

• umbilical cord

• breach birth

• afterbirth