Honey bee colony loss rates in 37 countries using the COLOSS survey for winter 2019–2020: the combined effects of operation size, migration and queen replacement / Alison Gray ... [et al.]. -- ilustr., tab. -- Bibliografické odkazy. In: Journal of apicultural research. -- ISSN 0021-8839. -- Vol. 62, iss. 2 (2023), s. 204-210 [7]. https://doi.org/10.1080/00218839.2022.2113329 včely * kráľovna včelia * úhyn zvierat * rizikové faktory * monitorovanie * migrácia živočíchov