A. development of secondary sexual characteristics
B. start of oestrus cycle
C. parturition
D. attainment of puberty
Correct Answer:
Option B – start of oestrus cycle
A. development of secondary sexual characteristics
B. start of oestrus cycle
C. parturition
D. attainment of puberty
Correct Answer:
Option B – start of oestrus cycle
Copyright warnings! Do not copy.