Agricultural mechanization | Propagation of upgraded breeds
References
Bartosiewicz, L. (1997). The Hungarian Grey cattle: a traditional European breed. Animal Genetic Resources Information, 21, 49–60. https://doi.org/10.1017/s1014233900000924
Bodó, I., Gera, I., & Koppány, G. (1996). The Hungarian Grey Cattle Breed: A technical publication. Budapest, Hungary: Association of the Hungarian Grey Cattle Breeders.
Porter, V., Alderson, L., Hall, S. J. G., & Sponenberg, D. P. (2016). Mason’s World Encyclopedia of Livestock Breeds and Breeding: 2 Volume Pack (1st ed.). Wallingford, Oxfordshire, UK: CABI.
