自由采食可以减少饲料的浪费。
玉米是乳用牛饲料的主要来源，价格上涨将迫使农民减少饲养牲口数，进而导致供给减少。
Corn is a prime source of feed for dairy cattle and the rising costs could force farmers to reduce their herds, leading in turn to reduced supplies.
随着遗弃家畜的死亡，家畜继续大量减少，而且预计严冬来临或缺少饲料和棚屋，一些家畜被出售或屠宰。
Depletion of livestock continues as abandoned animals die, and others are sold or slaughtered in anticipation of the harsh winter, or due to lack of fodder and shelter.
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