Ducks are birds that feed and breed in areas where there is a lot of water, but their habitats have been shrinking in recent decades because of the droughts.
鸭子是在有大量水的地方觅食和繁殖的鸟类,但近几十年来,由于干旱,它们的栖息地一直在缩小。
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Many scientists and experts warn that rampant use of antibiotics in animal feed, like penicillin and tetracycline, will breed an epidemic that medicine has no defense against.
The studies of stored product mites are closely related to grain and food storage, food hygiene, human health, livestock breed, feed industry, medicine and drug storage.