Asawakarn, S.; Teeranuwat, I.; Watcharaprapapong, N.; Siriwatchaiporn, N.; Somsai, P.; Kuldee, M.; Suriyaphol, G.; Dhitavat, S. Comparison of dried blood spot, buccal swab, cloacal swab and feces as DNA sources to identify avian sexes by PCR. TJVM 2018, 48, 325-330.