Hegedüs et al., 1990. Acta Vet. Hung., 32: 143-152 Document reference Hegedüs, M. ; Bokori, J. ; Andrasofszky, E. ; Kovari, L., 1990. Optimizing protein quality of mixtures of blood meal, feather meal and bone meal. Acta Vet. Hung., 32: 143-152Citation key Hegedüs et al., 1990