行政院農業委員會-水產試驗所全球資訊網 請提供有關大閘蟹 ... 一、放養優質蟹種選用無公害的大閘蟹蟹苗。這種蟹體色青灰,有光澤,活力強,生長快。放養時選擇規格整齊、體質健壯、無病無傷的個體,規格100-150隻/kg,每 ...
蟹苗來源- 台灣大閘蟹養殖協會 大閘蟹~學稱”中華絨螯蟹”,是甲殼動物,蟹身有21節相互癒合而成,因需迴游繁殖,成長的一生中分幾個階段. 蚤狀幼體~需經過5~6次的退皮脫殼>>大眼蟹>>幼蟹~ ...
大閘蟹養殖技術 - 農業知識入口網-小知識串成的大力量-/ 一、放養優質蟹種選用無公害的大閘蟹蟹苗。這種蟹體色青灰,有光澤,活力強,生長快。放養時選擇規格整齊、體質健壯、無病無傷的個體,規格100-150隻/kg,每 ...
Crab or crabs? (Grammar Question) - Straight Dope Message Board "Crab", because "crabs" in English refers to crab lice. As well, "crab" is generally understood to refer to the species as a whole, and most people don't specify the ...
Crab - Wikipedia, the free encyclopedia Crabs are decapod crustaceans of the infraorder Brachyura, which typically have a very short projecting "tail" (abdomen) usually entirely hidden under the thorax.