<prompt> Selective culture medium to grow leptospira:Thayer Main mediumMac Conkey agarButzler mediumEMJH  <response>: Culture medium Organism Thayer main medium Neisserial sp gononococcus meningococccus Mac conkey agar Enterobacteriacea Butzler medium Campylobacter jejuni EMJH Leptospira EMJH medium It is semisynthetic liquid medium. Leptospiral growth produces a dense ring of organism just at the under surface of medium called dingers ring. 