VETERINARY MEDICINE. 481 



VETERINARY MEDICINE. 



Third interim report of the royal commission appointed to inquire into the 

 relations of human and animal tuberculosis, F. Gkiffith et al. (Roy. Com. 

 Tuhcrrulo.sis, Tliird Jntcriiii Rpt., JDUi), i>iK J.S). — Experiments were conducted 

 with the view of obtaining information regtirdins tbe excretion or discharge 

 of tubercle bacilli in the milk and feces of tuberculous cattle. The investiga- 

 tions here reported have been summarized as follows: 



" T^e feces of 5 naturally tuberculous cows, out of the total number of 6 so 

 far investigated, have been found to contain living and virulent tubercle bacilli. 

 Three of these animals, cows B, C, and F, were severely diseased and were 

 eliminating large numbers of tubercle bacilli; this is shown by the occurrence 

 of tuberculosis after the inoculation of very small doses of fecal matter in all 

 but one of tbe guinea pigs which survived a sufficient length of time, and by 

 the fact that all the swine fed became tuberculous. Two of the cows, A and D, 

 were in apparently excellent condition of health. One, cow A, showed after 

 death a caseous and cystic posterior pharyngeal gland, a few small nodules in 

 the intestine, and slight disseminated tuberculosis. The feces of this animal 

 caused tuberculosis in 1 out of 4 swine fed ; the other 3 swine and all the 

 guinea pigs inoculated remained bealtby. Tlie other cow, D, had tuberculosis 

 of the lungs, broncbial and mediastinal glands, without any disease elsewhere. 

 The feces of this animal caused tuberculosis in 3 guinea pigs and 2 rabbits; 

 2 swine fed remained healthy. The feces of the sixth cow. E, which had slight 

 tuberculosis of the lungs and a mediastinal gland, did not give rise to tuber- 

 culosis in any of the animals inoculated. 



" Four cows. A, B, C, and F, out of the 5 cows which gave positive results 

 showed some tuberculosis of the alimentary tract, but in at least one case, cow 

 C, it was not sufficient to account for the large numbers of tubercle bacilli in 

 the feces. These bacilli must have been coughed up from the lungs and 

 swallowed. 



" Tuberculosis was present in the uterus of each of the severely infected 

 cows and the uterine discharge contained numerous tubercle bacilli. Such 

 a condition constitutes another source of infection. The milk of two of the 

 cows, B and C, caused, though not invariably, tuberculosis in guinea pigs 

 inoculated with relatively small doses. The milk was witbdrawn from the 

 udder by catbeterization, and post-mortem examination of the udders revealed 

 no macroscopic evidence of tuberculosis. Small pieces were examined histo- 

 logically by Dr. Eastwood and were found to be normal, but it is of course 

 impossible positively to exclude microscopical lesions. The milk of a third 

 cow, F, caused severe tuberculosis in every guinea pig which lived a sufficient 

 period of time after inoculation. The udder, except for four small nodules in 

 the left hind quarter, was normal to the naked eye; the animal was very ill 

 at the time the milk was collected. The milk of the remaining 2 cows, D and 

 E, tested did not give rise to tuberculo.sis in any of the animals inoculated." 



Eleventh annual meeting' of the Interstate Association of Live Stock Sani- 

 tary Boards { I'roc. Iiitcrxtdtc Assoc. Lire Stock Saiiit. lids., 11 ( l!)07), pp. 95).— 

 In the president's aunual address (i)p. 7-11 ), D. F. Ijuckey briefly considered tbe 

 contagious diseases of live stock, meat inspection, etc. A discussion on tbe State 

 control of hog cholera, led by C. E. Cotton, was entered into by P. O. Koto, 

 C. G. Lamb, T. Butler, and others (pp. 11-26). A paper on tick eradication, by 

 T. Btitler (pp. 27^0), considers the importance of eradication and the methods 

 by which it may be accomplished. 



A. D. Melvin briefly discussed the Federal meat inspection (pp. 41-43), and 

 J. M. Wright, State meat inspection (pp. 4.3^0). A paper was presented by 



