What are the ectozoa in dogs A: louse B: flea C: tick D: roundworm
What are the ectozoa in dogs A: louse B: flea C: tick D: roundworm
以吸血为主要营养来源的寄生虫是: A: malaria parasite B: liver fluke C: hookworm D: roundworm E: tapeworm
以吸血为主要营养来源的寄生虫是: A: malaria parasite B: liver fluke C: hookworm D: roundworm E: tapeworm
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