Determination of Alternative Diluents for Preservation of Duroc Boar Semen Through Modification of Various Semen Diluents Wilmientje M. Nalley*, Henderiana L.L Belli, Aloysius Marawali, Kirenius Uly, Petrus Kune, and Thomas Mata Hine Abstract The quality of porcine semen deteriorates very rapidly during the semen preservation process. The aim of this