The owner of any herd shall house, feed and care for such herd under such sanitary conditions as shall promote the health of such herd. No calf shall be fed milk or any other dairy product except such milk or other product as has been produced by a herd that has been tuberculin tested, or such milk or other dairy product as has been pasteurized by being maintained at a heat of one hundred forty-two degrees Fahrenheit for a period of thirty minutes.