ANIMAL SCIENCE PAPERS AND REPORTS (Anim. Sci. Pap. Rep.) is an English language quarterly published by the Institute of Genetics and Animal Breeding of the Polish Academy of Sciences, Jastrzbiec. Papers are welcome reporting studies in all aspects of animal breeding and genetics, reproduction, animal biotechnology, physiology, ethology and welfare. Critical review papers and short reports will also be considered and in justified cases also other original articles dealing with animal science and production.