. Essentials of biology presented in problems. Biology. " Tile li;i( iciits li\"i- out of di^ors.'' The C(:a\s arc also iii>]»'ct(M:l to see if tlicy June 1 ulici'i-iilosis, for such cows might spread the dis- ease to human Ix'inpis. Dnririn; tlie summer months many l)al)ies die from cholera infantum. This disease is al- most entirely spread throuRh impure milk. Flies are largely responsihle for the spread of the disease by carrying the germs to milk. Spread of such diseases through milk can only be prevented by careful pasteurization (heating to 160° for 20 minutes). In many larg


. Essentials of biology presented in problems. Biology. " Tile li;i( iciits li\"i- out of di^ors.'' The C(:a\s arc also iii>]»'ct(M:l to see if tlicy June 1 ulici'i-iilosis, for such cows might spread the dis- ease to human Ix'inpis. Dnririn; tlie summer months many l)al)ies die from cholera infantum. This disease is al- most entirely spread throuRh impure milk. Flies are largely responsihle for the spread of the disease by carrying the germs to milk. Spread of such diseases through milk can only be prevented by careful pasteurization (heating to 160° for 20 minutes). In many large cities pasteurized milk is sold at a reasonable price to poor people, and thus much disease is pre- vented. Disease germs of various sorts, typhoid, tuberculosis, Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Hunter, George William, 1873-1948. New York, Cincinnati [etc. ] American Book Company


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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbiology, bookyear1911