31 Pa. Stat. § 526
If any person or persons shall, with intent to defraud, sell, supply or bring to be manufactured, to any butter or cheese manufactory in this state, any milk, diluted with water, or in any way adulterated, uncleanly or impure, or milk from which cream has been taken, or milk commonly known as skimmed milk, or if any person or persons so furnishing milk as aforesaid who shall keep back any part of the milk known as "strippings," or shall knowingly bring or supply milk to any butter or cheese manufactory that is tainted or partially sour, or shall knowingly bring or supply to any butter or cheese manufactory milk drawn from cows within fifteen days before parturition, or within five days after parturition, shall for each offense forfeit and pay a sum not less than ten dollars nor more than one hundred dollars, with costs of suit, to be sued for in any court of competent jurisdiction for the benefit of the person or persons, firm or association or corporation upon whom such fraud or neglect shall be committed.
31 P.S. § 526