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1 February 2007 Evidence of Experimental Postcyclic Transmission of Bothriocephalus acheilognathi in Bonytail Chub (Gila elegans)
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Abstract

We examined the role that predation of infected conspecific fish and postcyclic transmission might play in the life cycle of the Asian fish tapeworm, Bothriocephalus acheilognathi (Cestoda: Pseudophyllidea) Yamaguti, 1934. Young-of-the-year (YOY) bonytail chub (Gila elegans) were exposed to copepods infected with B. acheilognathi and subsequently fed to subadult bonytail chub. Within 1 wk after consumption of the YOY chub, subadults were necropsied and found infected with gravid and nongravid tapeworms. This study provides evidence that postcyclic transfer of B. acheilognathi can occur. Postcyclic transmission may be an important life history trait of B. acheilognathi that merits consideration when studying the impact and distribution of this invasive and potentially pathogenic tapeworm.

Scott P. Hansen, Anindo Choudhury, and Rebecca A. Cole "Evidence of Experimental Postcyclic Transmission of Bothriocephalus acheilognathi in Bonytail Chub (Gila elegans)," Journal of Parasitology 93(1), (1 February 2007). https://doi.org/10.1645/GE-686R.1
Published: 1 February 2007
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