1　选购1.1　分清雌雄 　雌鳖尾短 ,不能伸出裙边外 ;雄鳖则相反。雌鳖背甲为较圆的椭圆形 ,中部较平 ,雄鳖背甲为长椭圆形 ,中部隆起。雌鳖体形厚 ,腹部为十字形 ,后肢间距宽 ;雄鳖体形薄 ,腹部为曲字形 ,后肢间距狭窄。1.2　选购优质鳖 　优者为板平而肥厚 ,体壮性猛 ,体上无 1 to buy 1.1 clear male and female short tail turtle, not out of the skirt outside; male turtle is the opposite. Female turtle carapace is more round oval, the central flat, male turtle carapace is long oval, central uplift. Female turtle body shape thick, abdomen is cruciform, hind legs spacing is wide; male turtle thin shape, abdomen is curved shape, narrow hind legs spacing. 1.2 Buy high-quality turtle You plate for the flat and hypertrophy, physical strength fierce, no body