The use of chitosan in the composition of feed “BeeHit” for honey beesMarina Frolova, Alexey Albulov, Elana Kovaleva, Anatoly Eliseev, Andrey Gryn, Valery Varlamov, Irina Matveeva, Vladimir Eremets and Yuri FrolovE3S Web of Conf., 462 (2023) 01015DOI: https://doi.org/10.1051/e3sconf/202346201015