Fig. 1From: Characteristics and risk factors for severe repeat-breeder female pigs and their lifetime performance in commercial breeding herdsRelative frequencies (%) of re-service intervals for re-service records. a Re-service intervals for 5968 re-service records of severe repeat-breeder (SRB) females and 41,401 re-service records of non-SRB females. b Re-service intervals for 2469 first, 2008 s and 1491 third re-service records of SRB femalesBack to article page