Question

question 17
sheep and goats can undergo multiple ovulations during the fall and winter months. this type of estrous cycle is classified as
anestrus.
seasonally polyestrous.
polyestrous.
monoestrous.

question 18
rapid forward progressive movement of sperm in a semen evaluation indicates excellent motility. a finding of ________ or more of progressively motile sperm is desirable.
10%
30%
50%
70%

Explanation:

For Question 17, sheep and goats having multiple ovulations in specific seasons fits the definition of seasonally polyestrous. Anestrus is a period of sexual inactivity, polyestrous is without the seasonal - aspect, and monoestrous means having one estrous cycle per year.
For Question 18, in semen evaluation, a finding of 50% or more of progressively motile sperm is considered desirable for excellent motility.

Answer:

Question 17: B. seasonally polyestrous
Question 18: C. 50%