草龟的介绍及养殖（The introduction and breeding of tortoises）.doc

草龟的介绍及养殖（The introduction and breeding of tortoises） The tortoise is commonly known as China turtle Tjeder, the most widely distributed, the number of one of the most. The whole body is precious, and has high edible, medicinal and ornamental value. Li Shizhen said such a sentence: three hundred and sixty Chinese Tjeder clear pictures of SEM, and the tortoise turtle long, ostracods primates also. In the international market, the tortoise is also very popular. People in Japan, Philippines and Europe and the United States regard it as a symbol of good luck and longevity. The body of the tortoise is oblong, with a slightly raised back and 3 longitudinal ridges, with obvious ridges. Dark olive head with smooth skin at the front and fine scales at the back. A flat belly, back end notched. The neck, limbs and bare skin part is black or black olive. Males are smaller, tail long and have a foul odor. Female carapace from light brown to dark brown, brown black plastron, shorter tail body, no peculiar smell. The tortoise strong adaptability to the environment, water demand is relatively low, a greater tolerance of poor water quality, high density cultivation, without killing each other, low prevalence rate. I. the habits and habits of turtles 1, amphibious The turtle is lung breathing, body surface and horny developed a piece, can reduce water evaporation. Sexually mature turtles produce eggs on land and do not need to go through a fully aquatic stage. 2, the wide range of food The turtle is omnivorous animal in nature, animal feed mainly in fish, shrimp, worms, snails, mussels, clams, clams, earthworms and animal carcasses and offal, hot blood, etc.; plant feed mainly for plant stems and leaves, fruit peel and wheat bran. 3, the obvious stage One is feeding stage. In late April began feeding (water temperature of fifteen degrees eighteen degrees above normal feeding, feeding), accounting for about 2 - 3% of the weight of the turtle; 6 - August food intake is exuberant, about