selected publications abstract Influence of sperm fertility-associated antigen status on nulliparous Nelore heifer fertility at first-service timed AI 2011 Does fertility-associated antigen on sperm collected from Nellore (Bos indicus) bulls affect fertility at first-service timed AI? 2009 academic article Fertility-associated antigen on Nelore bull sperm and reproductive outcomes following first-service fixed-time AT of Nelore cows and heifers. Theriogenology. 77:389-394. 2012