随着养殖技术的成熟，饲养量在逐渐扩大。

As technologies mature breeding, feeding amount is gradually expanding.

四川是全世界生猪饲养量最大的地区。希望集团在四川迅速扩张后，又开始在全国建立饲料加工厂。

After rapidly expanding in Sichuan, home to the world's biggest pig population, they built feed mills all over the country.

今年，火鸡的饲养量约为2亿5千万只，较去年减少了8%，但这个数量仍能基本满足3亿8百万美国人人手一只。

This year an estimated 250m turkeys will be raised, 8% fewer than a year ago, but still almost enough for one bird each for America's 308m people.