Yurnalis et al. 2017. Polymorphisms of Growth Hormone Gene Exon 1 and their Associations with Body Weight in Pitalah and Kumbang Janti Ducks. International Journal of Poultry Science. 16, 5 (Apr. 2017), 203–208. DOI:https://doi.org/10.3923/ijps.2017.203.208.