他们在白菖蒲县放养牛羊已经有一百年的历史，白菖蒲县盛产凳子，大木料，曾经是美国的木材交易中心。
His family has been raising cows and sheep for 100 years in Sweet Grass County, whose seat, Big Timber, was once a center of the American wool trade.
根据《畜牧业的巨大阴影》的例子来说，在美国牧场的一头肉牛，每年排泄50公斤的粪便，在一个养牛里只要排泄26公斤。
A beef cow in a us pasture, for example, emits 50 kilograms of methane per year, compared with just 26 kilograms in a feedlot, according to Livestock's Long Shadow.
随着美国养猪场，养牛场和家禽养殖场规模的扩大和效率的提高，养殖场对周围环境的影响令人忧心忡忡。
As America's pig, cattle and poultry farms have become bigger and more efficient, so have fears of the effect on their surroundings.
比如，在美国很多的玉米都是用来作动物饲料来喂养牛和鸡。
For example, much of the corn now grown in the United States is used to feed farm animals such as cows and chickens.
韩国养牛的农民尤其关注双方达成的协议，因为这项协议将使得韩国对美国牛肉进口40%的关税逐步取消。
South Korean cattle farmers are especially concerned since the deal would phase out 40 percent restrictive tariffs on U. S. beef imports into South Korea.
美国顶级西冷牛扒选用美国独特方式的饲养牛为原料，其肉质柔嫩，营养价值高，富有香醇的牛肉风味。
U. S. A. top the west cold beef steak select for use U. S. A. unique way raise ox raw materials, its meat is tender, nutrition is costly, rich and aromatic beef flavor.
目前该病毒在世界范围内广泛分布，特别是美国、新西兰等养牛业发达的国家。
BVDV infection has resulted in a significant loss in the livestock industry all over the world, especially in USA and New Zealand.
目前该病毒在世界范围内广泛分布，特别是美国、新西兰等养牛业发达的国家。
BVDV infection has resulted in a significant loss in the livestock industry all over the world, especially in USA and New Zealand.
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