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The Destruction Of The Vitality Of Cysticercus Bovis By Freezing, Brayton H. Ransom
The Destruction Of The Vitality Of Cysticercus Bovis By Freezing, Brayton H. Ransom
Harold W. Manter Laboratory: Library Materials
First two paragraphs:
The question as to the length of time Cysticercus bovis may survive after the death of its host has been quite definitely settled by the researches of Perroncito, Zschocke, Ostertag and others. Perroncito (1877) found that the cysticerci in an artificially infested calf were all dead fourteen days after the slaughter of the animal. However, Zschocke (1896) succeeded in infesting the human subject with a tapeworm by feeding five cysticerci from beef kept from fourteen to sixteen days after slaughter. No infestation followed the swallowing of five cysticerci from beef kept twenty-one days after slaughter. Ostertag (1897) …