Wirasak Fungfuang, Voravit Siripholvat, Suchart Sa-nguanphan and Anuchai Pinyopummin 2009. Effects of Extender, Cryoprotectant and Freezing Protocols on Post-thaw Sperm Motility, Morphology and Viability of Three-yellow Cocks (Gallus domesticus) Spermatozoa. Agriculture and Natural Resources. 43, 2 (Jun. 2009), 269–279.