Assertion: stallion's sperm | /r/HasProperty | needed
Facets:
Source sentences:
text: This technique is very useful for subfertile stallions, as fewer sperm are needed, so a stallion with a low sperm count can still successfully breed.
text: This technique is very useful for subfertile stallions, as fewer sperm are needed, so a stallion with a low sperm count can still successfully breed.