The objective of the study was to assess the effects of non-genetic factors such as farm, order of ejaculate, period, season of collection and age of the bull on semen quality traits of crossbred Holstein Friesian (CBHF) bulls. Data on a total of 22442 ejaculates from 72 CBHF bulls collected during the period from 1996 to 2014 were obtained from three organized farms in Tamil Nadu, India. | Effect of non-genetic factors on semen quality traits of crossbred holstein friesian bulls Bos taurus X Bos indicus in organized farming conditions at Tamil Nadu India