一、概述J_1型(改造)家畜车是戚墅堰机车车辆工厂1963年支援农业产品之一,该车是由旧型家畜车及底架类似的敞平车改造而成,供运送家畜及家禽之用。我国专用家畜车数量较少,过去家畜及家禽的运送多用敞车或棚车。后者的缺点是 I. Overview J_1 (Retrofit) The livestock car is one of the agricultural products supported by Qishuyan Locomotive and Rolling Stock Plant in 1963. The car is a converted old car and similar open-top car with a similar chassis for transportation of livestock and poultry. The number of special livestock vehicles in China is relatively small. In the past, the transportation of livestock and poultry mostly used gondola car or box car. The latter disadvantage is