这个修正案禁止把怀孕的母猪关在条板箱里，因为这种箱子非常狭小，动物连转身都有困难。
This Amendment bans the caging of pregnant pigs in gestation crates, which are so small that the animals cannot turn around in them.
母猪是否怀孕可用超声波检测，如果发现未怀孕，就会返回原来饲养的地方，通过检测可以增加猪场的生产能力。
Pregnancy tests are conducted by ultrasound and, if found negative, sows return to the breeding area. The ability to pregnancy-test greatly increases farm productivity.
母猪将待在猪舍里几周，或者在整个怀孕期。
Sows in stalls may stay in them for a number of weeks, or the whole pregnancy.
母猪将待在猪舍里几周，或者在整个怀孕期。
Sows in stalls may stay in them for a number of weeks, or the whole pregnancy.
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