688 
M. R. TRUMBOWER. 
indefinitely, even to old age, or by atonism (interrupted hered¬ 
ity), it may skip over one or more generations to reappear 
in subsequent ones, and in some cases, through the introduc¬ 
tion of new, strong blood, the predisposition may die out. 
Tuberculosis; rheumatism; some of the neuroses—epilepsy, 
the dummy, chorea, heaves, asthma, roaring and locomotor 
ataxia; cancer; ossific diathesis, as seen in bone spavin, ring¬ 
bone and sidebone; laminitis; naviculathritis; haemophilia 
(the haemorrhagic diathesis); the bursal enlargements—thor¬ 
ough pin, bog spavin and windgalls, curb, obscure bone dis¬ 
eases—rachitis and interstitial absorption ; anatomical mal¬ 
formations, as tailless dogs and cats, imperforate anus and 
ear, defective hearing and sight. 
The practical lesson to be learned from this subject is to 
discourage the use of unsound animals in the stud, especially 
stallions, for they undoubtedly transmit diseases oftener than 
mares; but we should not belittle the value of the pedigree 
on the maternal side. We should discourage the permission 
of unsound animals to compete for prizes at stock shows. 
REPORT OF THE COMMITTEE ON DISEASE, 
By M. R. Trumbower, Chairman. 
Read before the United States Veterinary Medical Association. 
('Continued from page 622). 
MICHIGAN. 
H. TI. Hinds, President of the Live Stock Sanitary Com¬ 
mission of Stanton, writes: 
“We can make no estimate as to percentage of tuberculous 
cattle in this State. We have tested a good many cattle with 
tuberculin since January 1st last, which have resulted in about 
twenty reactions, and a post mortem in each case disclosed 
the lesions of tuberculosis.” 
From the 5th Biennial Report of Michigan, I quote the 
following: 
“ Glanders .—That glanders and farcy will continue to ex¬ 
ist among the horses of the State for an indefinite period in 
