Journal of Animal and Feed Sciences (JAFS, J. Anim. Feed Sci.) has been published by the Kielanowski Institute of Animal Physiology and Nutrition, Polish Academy of Sciences in Jabłonna (Poland) since 1991. It is a continuation of the Polish-language journal Roczniki Nauk Rolniczych. Seria B, Zootechniczna published by the Polish Academy of Sciences since 1969. JAFS is an international scientific journal published quarterly, about 40 papers per year including original papers, short communications and occasionally reviews. All papers are peer-reviewed and related to basic and applied researches in the field of animal breeding and genetics, physiology of nutrition, animal feeding, feed technology and food preservation. The journal distinguishes the multidisciplinary nature of physiological and nutritional sciences and so includes papers specialized in all fields connected with animal well-being, including molecular and cell biology and the emerging area of genetics.