lo July, 1909.] Government Certification of Stallions. 



453 



Aggregate Results to Date — (1907 and 1908). 



So far, a total of 1,913 stallions has been examined, 1,445 having 

 been certilicated (75.58 per cent.), and 468 rejected (24.46 per cent.). Of 

 these, 309 (16.13 P*^r <'t*nt.) were rejected on the ground of hereditary un- 

 soundness, and 159 (8.31) were disapproved as being below a reasonable 

 standard for the Government certification. As regards breed, type and 

 conformation, the detailed particulars concerning the grounds for rejection 

 are given on the following table : — 



AGGREGATE TOTALS OF DEFECTS OF HORSES REFUSED CERTIFICATES, 



SEASONS 1907-8. 



(a) 2 also " Shiverers " ; ii also affected with Ringbone; 14 also with Bog 

 Spavin ; i also with Bog Spavin, Ringbone, and Thoroughpin ; and i also with 

 Curb. (b) I also with Curb; and 7 also with Sidebones. (c) i also Bog 

 Spavins. (d) i also "Shiverer''; i also Sidebones; and 2 also Bog Spavins. 

 (e) I also Bone Spavin. (f) i also Curb. (g) i also Curb. (h) i also 

 .Sidebones; i also Bog Spavin. (i) 4 also Curbs. (j) 



also Curb. 



Evidence of Hereditary Transmission of Unsoundness. 



In my last report, particulars were furnished concerning two families 

 of horses in which was shown to exist distinct hereditarv tendencv to the 

 transmission of sidebones to progenv through generations. Of twelve 

 descendants examined, in one case eleven were unsound, and in the other 

 ca.se eight out of ten de.scendants were unsound. Throughout the 



