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Details are given of the selection criteria used and the percentages of boars culled, from the weaner stage to adult use in AI. For 150 boars in use in 1972, the number of insemination doses produced/ejaculate averaged 10.0, CR to 1st insemination 76.00%, piglets born/litter 9.81, and the...

Fritzsch, M.; Thier, M.
Tierzucht, 1974, 28, 5, pp 213-217