Spaying is generally recommended:
A)at birth
B)before the female's first estrus cycle
C)during the female's first estrus cycle
D)after the female's first estrus cycle
Question 2
Which of these is NOT one of the primary causes of the overpopulation of dogs and cats?
A)parents who want their children to experience the miracle of birth
B)unplanned matings
C)mating for research purposes
D)mating for commercial purposes
