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DAIRY CATTLE AND MILK PRODUCTION 



of fat, while the last drawn runs from 6 to 10 per cent. In 

 milking the whole hand should be used, closing first that part 

 next to the udder; then the milk is forced past the sphincter 

 muscle by closing the remainder of the hand. The milking 

 should not be done by using the thumb and forefinger alone, 



FIG. 43. Correct position of the hands when milking (Grotenfelt). 



neither should the thumb be inclosed within the palm, as is 

 sometimes done. The cow's teats should always be dry when 

 milking. Wetting the teats not only is a dirty, filthy practice, 

 but it also allows the teats to chap and become sore in cold 

 weather. If there is difficulty in milking dry, a small amount 

 of vaseline may be rubbed on the hands. This serves the 



