Every week, the TDN posts a roundup of the relevant Horseracing Integrity and Safety Act (HISA)-related rulings from around the country. Among this week's rulings, trainer Monte Gelrod has been suspended for 18 months and fined $12,500 after his trainee, Ratified, tested positive for cobalt salts after winning at Parx Racing on Feb. 19. Gelrod's suspension started Apr. 17. HISA classifies cobalt salts as a banned substance. Cobalt has been proven to stimulate the production of red blood cells (erythropoiesis) which explains why some have turned to it as a...