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Cysticercus bovis s. inermis, the larvae phase of Taenia saginata is still widely spread. Many reasons are at the origin thereof, e.g. incomplete destruction of the eggs of Taenia saginata during the waste water purification process and differing meat inspection practises. In an area with the same environmental and animal breeding and fattening conditions a yearly average of 6.49% infestation is found in one slaughterhouse, whilst the yearly average in a neighbouring slaughterhouse is 0.93%. The masseter muscles are the main site of infestation. The meat inspection legislation contributes to the infestation with tape-worms in man because of the weakening of the official inspection procedures.  相似文献   

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The course of development of the initial subject "Veterinary Hygiene" to the reduction and specialization limited to "Animal Hygiene" and the recent extension into the broad field of environmental hygiene is described. This is done with reference to books and other publications which point the way ahead for research of veterinary medicine in environmental hygiene and thus prove the increasing importance of that subject. A survey is given over current German research in that field, future demands as well as the necessary extension of environmental hygiene in graduate and post-graduate teaching of veterinary students as well as further professional training of veterinarians.  相似文献   

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