A bacteriological study of methods for the disinfection of hides infected with anthrax spores / by F.W. Tilley.

  • Tilley, Frank W.
Date:
1915
Catalogue details

Licence: In copyright

Credit: A bacteriological study of methods for the disinfection of hides infected with anthrax spores / by F.W. Tilley. Source: Wellcome Collection.

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    Table VI.—Inoculation of guinea pigs with clots from pieces of hide experiment 10 Guinea pig No. Disinfectant (25 c. c.) and dilution. Time of exposure. Number of clots in¬ oculated. Result of inoculation. 23237 Mercuric chlorid (1:2,000)+formic acid (1 per cent). Hours. 24 1 Rived. 23238 Do. 24 X Do. 23239 Mercuric chlorid (1:3,000)+formic acid (1 percent) . 24 1 Do. 23240 Do. 24 1 Do. 23241 Mercuric chlorid (i:4,ooo)+formic acid (1 per cent). 24 1 Do. 23242 Do. 24 1 Do. 23243 Mercuric chlorid (1:5, ooo)+formic acid (1 percent). 24 1 Died in 5 days. An- 23244 Do. 24 1 thrax. Do. 2324s No disinfectant. (a) 1 Died in less than 48 23246 Do. (a) 1 hours. Anthrax. Do. EXPERIMENT xi 23251 Mercuric chlorid (x:4,ooo)+formic acid (1 per cent). 24 1 Rived. 23252 Do. 24 x Do. 23277 Do. 24 1 Do. 23278 Do. 24 1 Do. 23279 Do. 24 1 Do. 23280 Do.... 24 X Do. 23281 Do. 24 1 • Do. 23282 Do. 24 1 Do. 23250 Do. 24 2 Died in 5 days. An¬ thrax. 23248 No disinfectant. («) X Died in 48 hours. An¬ thrax. 23249 Do. («) I Do. EXPERIMENT 12 24354 Mercuric chlorid (1:4,000)+formic acid (1 per cent). 24 1 Rived. 24355 Do. 24 1 Do. 23456 Do. 24 I Do- 23457 Do. 24 X Do. 23458 Do. 24 1 Do. 23459 Do. 24 1 Do. 23452 Do. 24 2 Do- 23453 Do. 24 2 Do. 23451 Mercuric chlorid (1:2,500) +formic acid (1 per cent). 24 5 Do. 23449 No disinfectant. (a) 1 Died in 48 hours. An¬ thrax. 23450 Do. (a) 1 Do. EXPERIMENT 13 24999 Mercuric chlorid (i:4,ooo)+formic acid (1 per cent). 24 1 Rived. 25300 Do. 24 1 Do. 25301 Do. 24 2 Do. 25302 Do. 24 2 Do. 25303 Do. 24 4 Died in 3 days. Not anthrax. 25304 Do. 24 4 Rived. 253:15 Sodium chlorid, but no disinfectant. (0) 1 Died in 4 davs. An- thrax. 25316 Do. (a) I Died in 5 days. An- thrax. a Not exposed. Since in experiment 10 mercuric chlorid, 1 to 4,000, plus 1 per cent of formic acid, was shown to be efficient, while mercuric chlorid, 1 to 5,000, plus 1 per cent of formic acid, was not, further tests were made with the lower dilution.