godan verb (-su), transitive verb
give birth to; drop (a calf, foal, etc.); lay (an egg)
Used for animals giving birth or laying eggs; can also be used for humans in a somewhat literary or dramatic tone. The 落とす part emphasizes the downward motion of birth.
牛が子牛を産み落とした。
The cow gave birth to a calf.
鶏が
I saw the hen lay an egg.