论文部分内容阅读
要话狗,如今街头巷口随处可见宠物狗的足迹。遛狗、玩狗几成时尚。有一阵子,城镇禁狗,主要是怕发生狂犬病。豢养宠物,人和动物和谐相处,本无可非议,只是不要忘了加强卫生和安全管理,遵守市民文明守则。我国豢养家犬有着悠久的历史。浙江河姆渡古遗址曾出土过家狗的化石,说明我们祖先对狗的驯化至少远在7000年之前。然而家狗的远祖从何而来?仍是动物界之谜。因为至今尚未发现古代狗的化石,据现有考古资料分析,狗的野生祖先很可能是4000万年前欧洲狼、北非豺和北美郊狼等动物的混合体。不同民族在驯化过程中将这些动物杂交,才逐渐演变成今天世界上形形色色的狗。但它们和动物学中的野狗不是同属,
Talk to the dog, now the street canyon pet dog footprint. Walking the dog, playing dogs into fashion. For a while, town ban dogs, mainly for fear of rabies. Keep pets, people and animals live in harmony, this is beyond reproach, just do not forget to strengthen health and safety management, abide by the civilized code of conduct. China’s domestic dog has a long history. Zhejiang Hemudu ancient ruins unearthed fossils of domestic dogs, indicating that our ancestors domestication of dogs at least as long as 7000 years ago. However, where do the ancestors of domestic dogs come from? It is still the mystery of the animal kingdom. As ancient fossils of dogs have not yet been discovered, according to the available archaeological data, the dog’s wild ancestors are likely to be a mixture of 40,000 years ago European wolves, North African wild and North American coyotes. Different ethnic groups in the domestication of these animals will be gradually evolved into today’s world all kinds of dogs. But they are not the same as wild dogs in zoology,