Challenge: chick sexing
Word Count: 100
“Because you clearly never paid attention in class.” Severus glared at the Weasley until the dunderhead mercifully fell silent. “Chicken dung is an essential binder in certain fertilizers. The younger the chicken, the purer and better the dung.
“Moreover, my research indicates that purifying the material - “
“It's chicken shit,” muttered the Weasley's significant other.
“ - results in a solution that enhances human fertility potions. The results are most promising, especially amongst pureblood families - “
“ - because they're all inbred - “
“ - that are not blessed with ginger hair,” Severus finished.