New York Consolidated Laws, Town Law - TWN § 312. Impounding strays

Within six days after such beasts shall have come upon such lands, such owner or occupant may cause them to be put in the nearest pound in the same town, if there be one, there to remain until they be redeemed, sold or reclaimed according to law.  If there be no such pound, or he elect to keep such beasts, he shall cause them to be properly fed and cared for until they are redeemed, sold or reclaimed according to law.