The theory and practice of infant feeding, with notes on development . Fig. 18.—Bacteria from Cream. (Conn.) c and d producegood butter. 88 INFANT FEEDING. udder in the ordinary way and collected in sterile testtubes was always found to contain bacteria of the groupstreptococci. The number in the first milk drawn wasusually greater than [in] the latter portion. Strepto-cocci are usually looked upon by physicians as dangerousbacteria, but it has been found that good butter flavor isproduced by some species of streptococci (Fig. 18).. Fig. iq.—Tuberculous Udder. (Russell.) If the first few jets


The theory and practice of infant feeding, with notes on development . Fig. 18.—Bacteria from Cream. (Conn.) c and d producegood butter. 88 INFANT FEEDING. udder in the ordinary way and collected in sterile testtubes was always found to contain bacteria of the groupstreptococci. The number in the first milk drawn wasusually greater than [in] the latter portion. Strepto-cocci are usually looked upon by physicians as dangerousbacteria, but it has been found that good butter flavor isproduced by some species of streptococci (Fig. 18).. Fig. iq.—Tuberculous Udder. (Russell.) If the first few jets from each teat are thrown away, theremaining portion of the milking will be quite free frombacteria, provided the cow has no disease of the milk from a diseased udder should be used as udders always secrete milk containing tu-bercle bacilli, and although there is some doubt aboutbovine tuberculosis infecting human beings through milk,no risk should be taken. When a cows udder is tuber- BACTERIOLOGY OF MILK. 89 culous, it is time to stop the use of her milk, whatevermay be said of the safety of the milk from cows thatsimply react to the tuberculin test.* 56. From the Cows Body.—If the cows body is notkept clean, more or less dirt is bound to be loosened andto fall into the milk pail, along with some hairs, during theprocess of milking. On a single cows hair several hun-dred bacteria have been counted, and, as previously stated,soil and cows manure, which is the dirt usually found onthe cows body,


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Keywords: ., bookcentury1900, bookdecade1900, booksubjectinfants, bookyear1902