Infertile boars with knobbed and immotile short-tail sperm defects in the Finnish Yorkshire breed - Kopp, C.; Sironen, Anu; Ijäs, R.; Taponen, J.; Vilkki, Johanna; Sukura, A.; Andersson, M. (Blackwell, 2008)
Keywords: Ko; karjut; sika; sikarodut; yorkshire; sperma; hedelmällisyys; jalostus; boars; swine; breeds; semen; fertility; breeding; sperm