Text this: Pengaruh Perbedaan Konsentrasi Gliserol dalam Susu Skim Kuning Telur untuk Proses Penyimpanan Sperma Beku terhadap Motilitas dan Viabilitas Spermatozoa Ikan Patin (Pangasius pangasius) <br><i>[Effect Of Different Glycerol Concentration In Skim Milk And Egg Yolk Diluter For Storage Process Of Frozen Semen On Sperm Motility And Viability Of Catfish (Pangasius pangasius)]<i>