1月22日，在兰州一家惠民肉食直销店，市民在选购储备牛肉。自当日起至1月28日，为抑制市场牛肉价格过快增长，甘肃省商务部门在兰州市22个惠民肉食直销店投放总量300吨的国家储备牛肉，每斤价格为23元，低于市场价5元左右。据悉，由于今年肉牛出栏量减少、饲料价格持续走高等原因，致使肉牛养殖成本增加，牛肉零售价格飙升。据兰州市商务局检测数据显示，相比去年同期，兰州市牛肉零售价格涨幅已达40%。新华社记者 陈斌 摄  On January 22,,We ZhiXiaoDian in lanzhou a meat,Citizens in the choose and buy beef reserves.Since the date to 1 month and day,To control the market beef prices too fast growth,Gansu province lanzhou city business departments in 22 we put meat ZhiXiaoDian total 300 tons of national reserve beef,The price for each jin and yuan,Below the market price 5 yuan.It is reported,Due to the reduction of the beef cattle market this year/Feed prices continue to go higher reason,The beef cattle breeding cost increase,Beef retail prices.According to the lanzhou city business bureau inspection data display,Compared with the same period last year,Lanzhou beef retail prices are up 40%.The xinhua news agency ChenBin perturbation