N.Y. LIE Law § 160

§ 160. Lien on mare and foal, or on cow and calf. On complying with\nthe provisions of this article, the owner of a stallion or bull shall\nhave a lien on each mare or cow served together with the foal or calf of\nsuch mare or cow from such service, for the amount agreed on at the time\nof service, or if no agreement was made, for the amount specified in the\nstatement hereinafter required to be filed, if within twenty months\nafter such service he files a notice of such lien with the proper\nofficers and in the same manner as is required to perfect a security\ninterest under paragraph two of subsection (a) of section 9--501 of the\nuniform commercial code. Such notice of lien shall be in writing,\nspecifying the person against whom the claim is made, the amount of the\nsame and a description of the property upon which the lien is claimed,\nand such lien shall terminate at the end of eighteen months from the\ndate of such filing, unless within that time an action is commenced for\nthe enforcement thereof, as provided in sections two hundred six to two\nhundred ten, both inclusive, of this chapter, for the foreclosure of a\nlien on chattels.\n