1. Storage of boar semen;Johnson;Anim Reprod Sci,2000
2. Liquid boar semen production: current extender technology and where we go from here;Levis,2000
3. Rate of penetration in vitro if oocytes swines using spermatozoa conditioned with extender PIGPEL-5 at 5°C;Corrêa;Revista Brasileira de Reprodução Animal,2004
4. Deep freezing of boar semen;Johnson,1985
5. Individual boar fertility after AI with frozen–thawed semen in relation to in vitro sperm motility and viability;Eriksson,2001