﻿406 
  Seventh 
  Annual 
  IIeport 
  of 
  the 
  

  

  milk 
  of 
  tuberculous 
  cows 
  has 
  been 
  proved 
  by 
  the 
  experiments 
  

   of 
  Bollinger, 
  Ilirschberger, 
  Ernst 
  and 
  others. 
  In 
  Hirschberger'a 
  

   investigations, 
  milk 
  from 
  tuberculous 
  cows 
  induced 
  tuberculosis 
  in 
  

   guinea 
  pigs 
  when 
  injected 
  subcutaneously 
  or 
  int-o 
  peritoneal 
  cavity." 
  

  

  The 
  conclusion 
  is 
  reached 
  that 
  the 
  milk 
  mav 
  contain 
  tubercle 
  

   bacilli 
  even 
  when 
  the 
  udder 
  of 
  the 
  cow 
  is 
  not 
  involved. 
  In 
  view 
  

   of 
  the 
  facts 
  stated, 
  the 
  great 
  mortality 
  from 
  tubercular 
  diseases 
  

   among 
  children, 
  many 
  of 
  whom 
  are 
  removed 
  from 
  other 
  probable 
  

   sources 
  of 
  infection, 
  is 
  not 
  difficult 
  tO' 
  undei-stand; 
  and 
  the 
  practi- 
  

   cal 
  and 
  simple 
  method 
  of 
  preventing 
  infection 
  in 
  this 
  way, 
  afforded 
  

   by 
  the 
  sterilization 
  of 
  milk 
  used 
  as 
  food 
  for 
  infants, 
  must 
  commend 
  

   itself 
  to 
  all. 
  

  

  As 
  to 
  whether 
  or 
  ruot 
  the 
  bacilli 
  is 
  found 
  in 
  the 
  milk 
  of 
  tubercu- 
  

   lous 
  cows, 
  Dr. 
  Sydia 
  Kabinowitch 
  and 
  Dr. 
  Walter 
  Kempner, 
  in 
  

   their 
  paper 
  published 
  in 
  the 
  Zeitzchrift 
  fur 
  Hygiene 
  and 
  Infectionsr 
  

   krankheiten, 
  have 
  thrown 
  considerable 
  light 
  on 
  the 
  subject. 
  

   In 
  this 
  paper, 
  they 
  state 
  that 
  Oberaiuller 
  lias 
  shown 
  that 
  61 
  per 
  

   cent, 
  of 
  the 
  milk 
  examined 
  by 
  him 
  in 
  the 
  Berlin 
  market 
  contained 
  

   tubercle 
  bacilli. 
  By 
  Petrie, 
  only 
  14 
  per 
  cent, 
  of 
  the 
  samples 
  tested 
  

   by 
  inoculation 
  on 
  animals. 
  The 
  researches 
  by 
  Eabinowitch 
  showed 
  

   that 
  of 
  twenty-eight 
  samples 
  of 
  varying 
  origin, 
  28 
  per 
  cent, 
  con- 
  

   tained 
  tubercle 
  bacilli. 
  In 
  1880, 
  Bollinger 
  produced 
  inoculation 
  

   tuberculosis 
  in 
  experimental 
  animals 
  with 
  the 
  milk 
  from 
  a 
  cow 
  that 
  

   had 
  tuberculosis 
  of 
  the 
  udder, 
  and 
  also 
  Avith 
  milk 
  from 
  a 
  tuberculous 
  

   cow, 
  in 
  which 
  there 
  Avas 
  no 
  perceptible 
  disease 
  of 
  the 
  udder. 
  

  

  May 
  inoculated 
  with 
  the 
  milk 
  from 
  six 
  tuberculous 
  cows, 
  and 
  

   obtained 
  a 
  positive 
  result 
  in 
  but 
  one 
  case. 
  The 
  milk 
  came 
  

   from 
  a 
  cow 
  in 
  which 
  the 
  disease 
  was 
  lightly 
  developed 
  and 
  in- 
  

   volved 
  the 
  udder. 
  Stein 
  made 
  a 
  series 
  of 
  experunental 
  examina- 
  

   tions, 
  consisting 
  of 
  fourteen 
  intraperitoneal 
  injections 
  with 
  milk 
  

   from 
  cows 
  suffering 
  Avith 
  tuberculosis 
  in 
  different 
  stages 
  and 
  

   obtained 
  four 
  positive 
  results. 
  In 
  these 
  four 
  cases, 
  the 
  cows 
  fur- 
  

   nishing 
  milk 
  were 
  highly 
  tuberculous, 
  but 
  none 
  had 
  diseased 
  

   udders. 
  Out 
  of 
  sixty-three 
  highly 
  tuberculous 
  cows 
  which 
  were 
  

  

  