title: Effect of freezing and drilling on Pygidiopsis genata metacercariae in Tilapia.
mesh_terms: D000818:Animals; D004199:Disease Vectors; D005399:Fishes / Q000469:parasitology*; D005516:Food Microbiology; D005615:Freezing; D006358:Hot Temperature; D051379:Mice; D014200:Trematoda / Q000302:isolation & purification; D014201:Trematode Infections / Q000635:transmission*