一、调查工作的目的、步骤及方法役畜(马、牛、驴、骡)是我国当前农业生产及交通运输上的主要动力。近年来,在广大农村中,由于农业合作化运动的迅速开展;农民生产热情的不断提高;新式农具的广泛使用及耕作技术的日益改进,使役畜在数量和质量上都不能满足客 First, the purpose of the investigation, steps and methods Livestock (horses, cattle, donkeys, mules) is China’s current agricultural production and transportation of the main driving force. In recent years, due to the rapid development of the agricultural cooperative movement in the vast rural areas, the ever-increasing enthusiasm of farmers, the widespread use of new farm tools and the increasing improvement of farming techniques, the quantity and quality of draft animals can not be satisfied