?? ?????????????? ???? ????????????????? ???? ??????????? ?????, ??? ?????? ???? ?? ???? ????? ??? ??? ???? ???????????????, ???????? ??? ???? ?????????? ??? ???? ????? ?????, ??? ?? ??? ????? ??? 15mg/kg?????????????? ?? ???? ????? ??? ???????? ??? ??? ????????? ?????? ??? ?? ????? ??????????????????? ???????? ??? ???????????? ???????????. ????? ???????? ??? ????? 600 ??? ??? ??? ????????, ????? ????? ??? ??? ??? ?????????????. ????? ????? ???????? ??? ???????? ???? ??? ??? ???? ?????????? ?? ??????????? ??? ?????????????????????? ???????? ??????? ????????????? ??? ??? ???????????, ??? ?? ??????????? ????????? ???? ???? ?????? ??? ?? ????? ??????? ???? 20 ℃ ????? ????? 4 ???. ??? ???????? ??? ??? ???? ?????????? ???????? ??????? ???????, ??? ?? ????????? ??? ????? ?????????? ??? ?????? ???????????? ??? ???????? ?????, ????? ???? ?? ??????? ????? ???? ??? ????????? ??????????? ??????????? ????????, ????????? ??????? ??? ??????????? ??? ?? ???? ????? ?????????, ??? ?? ???????? ??? ???? ?????? ??? ???? ??????????????. ?? ??? ???? ???????? ????? ??? ?????????? ??? ??????? ??? ?????????.