In vitro performance and in vivo fertility of antibiotic-free preserved boar semen stored at 5 °C

Table 1 Means ± SEM in the two insemination groups for parameters used for randomisation (experiment 2)

Semen storage	Sows, n	Parity order	Total born piglets, n^a	Body condition score	Total weaned piglets, n^a	Lactation length, d^a
17 °C w/ AB	97	2.74 ± 0.16	15.55 ± 0.27	2.79 ± 0.03	12.81 ± 0.13	19.92 ± 0.13
5 °C w/o AB	97	2.76 ± 0.15	15.52 ± 0.28	2.80 ± 0.04	12.85 ± 0.15	19.93 ± 0.13

^afrom the last litter preceding the insemination trial
17 °C: semen stored in AndroStar® Premium with antibiotics (w/AB; 0.25 g/L gentamicin sulphate)
5 °C: semen stored in AndroStar® Premium without antibiotics (w/o AB)

ISSN: 2049-1891