No person, firm or corporation or servant, agent or employee thereof
shall sell, offer or keep for sale or exchange or deliver, or have
in his custody or possession, with intent to sell, exchange or deliver,
any natural milk, skimmed milk or cream in the City of Beverly, unless
said natural milk, skimmed milk or cream has been drawn exclusively
from tuberculin-tested and accredited herds, and such milk, skimmed
milk or creams, as aforesaid, shall conform to the regulations prescribed
by a Medical Milk Commission in the manner required by MGL c. 180,
§§ 20 to 25, inclusive, and amendments thereto, and
such milk, skimmed milk or cream, as aforesaid, shall be certified
by a Medical Milk Commission in a manner required by General Laws
Chapter 180, and amendments thereto, and shall, when sold, offered,
kept or exposed for sale, exchanged or delivered, contain not more
than 5,000 bacteria per cubic centimeter.