Fig. 4
From: In vitro performance and in vivo fertility of antibiotic-free preserved boar semen stored at 5 °C
Presence of bacteria in raw semen and in semen samples preserved in BTS extender with antibiotics (0.25 g/L gentamicin sulphate; BTS w/AB) at 17 °C or in AndroStar® Premium extender without antibiotics (APrem w/o AB) at 5 °C (n = 9 boars, experiment 1). a Box-whisker plots showing bacterial counts (CFU/mL). b Numbers of subcultures detected during storage. *Values differ between storage temperature groups at a given time point