Mézes L, Bíró T, Tamás J, Petis M. The examination of poultry feather digestility for biogas production. Acta agrar. Debr. [Internet]. 2007 Jul. 16 [cited 2024 Jul. 1];(26):113-8. Available from: https://ojs.lib.unideb.hu/actaagrar/article/view/3064