Pertiwi A, Widodo E, Nur Ikhsan M and Sundu B 2017:
The utilization of feather meal to increase duck production, carcass quality and feathers growth of local Bali ducks.
Livestock Research for Rural Development. Volume 29, Article #224.
Retrieved
, from http://www.lrrd.org/lrrd29/12/sund29224.html