Va. Code § 43-41
When the owner of a mare or jennet breeds the same to any stallion or jackass whereby such mare or jennet shall become in foal and is delivered of a live colt, the owner of any such stallion or jackass shall have a lien upon the colt for a period of twelve months, or until the price agreed upon for the season or service by the owner of the stallion or jackass and the owner of the mare or jennet be paid. Such lien shall not extend for a longer period than twelve months, and after judgment has been taken for the amount of such fee, then, unless the same is paid, the officer in whose hands the fieri facias is placed for collection may proceed to levy on and sell such colt for the aforesaid fieri facias and costs, and he shall be entitled to the same fees for his services as is provided for by the existing law.
Va. Code § 43-41