| the use of tetracycline in anthelmintic baits to assess baiting rate and drug efficacy against echinococcus multilocularis in foxes. | anthelmintic (praziquantel) baiting of wild red foxes against echinococcus multilocularis infection was studied in a highly epizootic suburban area of otaru, hokkaido (the northern island of japan) during the summer and autumn in the years 1999-2004. acceptance of baits containing the biomarker tetracycline (tc) was evaluated. the prevalence of e. multilocularis infection in foxes before baiting (1999-2000) was 58% (88/153), whereas in the fourth year of bait distribution year (2004), it decreas ... | 2007 | 17931786 |