【終於.......】評論
(A)具一條鞭毛的魚類住血原蟲。常見的有2種,Try. carassii (Try. danliewski)感染淡水魚,包括金魚、鯉魚、丁鱖tench、鰻魚、大眼鱖 (Saccobranchus fossilis)。Trp. Murmanense感染海水魚,包括鱈魚、比目魚、鰻魚等13種。水平感染,主要感染血液。感染淡水魚及海水魚,野生魚類較常見,需要中間媒介---魚蛭傳播,以完成生活史。 (D)Trypanoplasma (Cryptobia) borreli is a haematozoic endoparasite transmitted by leeches (Piscicola sp.)The pathogen can also survive on the body surface of fish because it has a contractile vacuole to osmoregulate when the fish is in fresh water. This allows for direct transmission betw...
【【站僕】摩檸Morning】評論
請問該如何修改?