GPRIN3 and susceptibility to pneumonia measurement: The BOVINEHD0600010238 SNP which was suggestively associated with pneumonia in the dairy calf population was closest to a gene, GPRIN3, which showed lower gene expression in the serum of dairy calves, Charolais-Limousin and Limousin-Friesian beef-suckler calves, at 48 h post-birth compared with at birth, and which showed higher expression in the dairy and the Limousin-Friesian beef-suckler calves serum at 168 h post-birth compared with 72 h post-birth22.