Sessional Papers of the Legislative Assembly of the Province of Ontario Volume 37, No. 6 (Paperback)

This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1905 edition. Excerpt: ...per quart. B-ackahus has also shown that 50 per cent. of fresh manure dissolves in milk and does not appear as sediment; and therefore the weight of undried filth in all these samples would have been more than doubled. This investigator has also determined by actual tests that the daily milk supply of Berlin, Germany, contains about three hundred pounds of dirt and filth. Further, many of the bacteria d-erived from such sources are very harmful, for not only are such fecal bacteria concerned in the intestinal troubles of infants, but they also give rise to abnormal fermentations in butter and ghedese, producing taints, off-flavors, and decomposition products in these oo s. For the guidance of the dairyman who buys milk for sale, and for the housewife, Renk suggests the following rule: If a sample of milk shows any evidence of impurity settling on a transparent bottom within two hours, it is to be regarded as containing too much solid impurities. When we examine the results relative to the number of bacteria in European market milk, we are at once struck by the enormous numbers that are frequently present.. Thus Clauss found that the number of germs per c.c. of Wurzburg milk ranged from 222,000 to 2,300,000. The average was between one and two millions per c. c. Knopf found from 200,000 to 6,000,000 per c. c. in the milk of Munich. Bujwid examined the milk of Warsaw, where there was an average of 4,000,000 per c.c. In the milk immediately after it was drawn from the cow he found 10,000 to 20,000 per c.c. In Amsterdam, Geuns found 2,500,000 per c.c. in fresh milk. Renk examined the market milk of Halle and found from 6,000,000 to 30,700,000 per c.c. Uhl in 30 tests of Giessen milk found from 83,000 to 169,600,000 per c.c. In the month of...