Reproduction and Development I: CL Lifespan and Placental Progestogen

Question 1

Cow (CL lifespan, placental progestogen appearance, luteal or non-luteal dependent)

Answer 1

CL duration = 280 days

Placental progestogen = 180 days

Non-luteal dependent

Question 2

Bitch (CL lifespan, placental progestogen appearance, luteal or non-luteal dependent)

Answer 2

CL duration = 63 days

Placental progestogen = N/A

Luteal-dependent

Question 3

Queen (CL lifespan, placental progestogen appearance, luteal or non-luteal dependent)

Answer 3

CL duration = 45-63 days

Placental progestogen = 45 days

Non-luteal dependent

Question 4

Ewe/sheep (CL lifespan, placental progestogen appearance, luteal or non-luteal dependent)

Answer 4

CL duration = 60 days

Placental progestogen = 50 days

Non-luteal dependent

Question 5

Doe/goat (CL lifespan, placental progestogen appearance, luteal or non-luteal dependent)

Answer 5

CL duration = 146 days

Placental progestogen = N/A

Luteal-dependent

Question 6

Sow/pig (CL lifespan, placental progestogen appearance, luteal or non-luteal dependent)

Answer 6

CL duration = 114 days

Placental progestogen = N/A

Luteal-dependent

Question 7

Mare (CL lifespan, placental progestogen appearance, luteal or non-luteal dependent)

Answer 7

CL duration = 150 days

Placental progestogen = 60 days

Non-luteal dependent

Question 8

Animals that have placental progestogen

Answer 8

Cow, ewe, mare, queen
ALL NON-LUTEAL DEPENDENTS