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。
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.
许多科学家和专家警告说，在动物饲料中滥用抗生素，如青霉素、四环素，会滋生流行病，而这种流行病是没有医药可以防御的。
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.
其研究内容与粮食和食品的储藏、食品卫生、人类健康、家畜养殖、饲料工业、成药和药材的储藏，有着密切的关系。
Milk quality is affected by several factors such as feed and feeding, milk lactation stage and milk performance, environment, diseases and breed.
牛奶品质的优劣受诸多因素的影响，如饲料组成与营养、奶牛泌乳阶段与水平、环境、疾病、品种等。
The milk quality was affected by several factors such as feed and feeding, milk lactation stage sad milk performance, environment, diseases and breed.
牛奶品质的优势，受诸多因素的影响，如饲料组成与营养、牛奶泌乳阶段与水平、环境、疾病、品种等。
The results show that using the formulated feed can replace the fresh feedstuff to breed the sea fish.
结果表明：用配合饲料可以替代鲜活饲料养殖海水鱼类。
I also recommend that you do not feed this breed any food containing rice, soy, or avocado.
我还建议您不要助长这种品种的食物有大米，大豆，或鳄梨。
The results indicated the feasibility of goat house feeding, a greater economic return of house- fed goats over grazing goats, and the important role of breed improvement in improving feed efficiency.
试验结果证明，舍饲山羊的经济效益大大超过放牧山羊，品种改良可以大大提高饲料利用率。
It is simple, transparent, easy to feed and easy to breed.
它，简单，易于了解，易于喂养和繁殖。
Hygiene, water management, number of feed changes, but also factors such as breed, bedding material, systematic use of amoxicillin influence the resistance built up of bacteria.
卫生、水系统管理、饲料更换次数、禽种品种、垫料、系统地使用阿莫西林等因素都会对细菌的耐药性产生影响。
The theory and technique of using livestock manure to breed fly larvae is summarized, and the use of fly larvae as a feed for livestock and residual manure as organic fertilizer are discussed.
文章归纳并综述了利用禽畜粪便养殖蝇蛆的理论和技术，对蝇蛆饲料和蛆粪有机肥的应用和效果做了简要的阐述。
And to breed the most productive hens which convert their feed most efficiently into eggs and are most resistant to disease, you need large flocks.
为了繁殖出这种特别吃得少，特别能下蛋，特别能抗病的“最有战斗力”的品种鸡，你需要更大的鸡群。
Therefore, I suggest that Old English Sheepdog owners try to feed their present companion pets with foods that contain what this breed requires.
因此，我建议英国古代牧羊犬的主人去了解宠物的食物中有什么是它们需要的。
Therefore, I suggest that Old English Sheepdog owners try to feed their present companion pets with foods that contain what this breed requires.
因此，我建议英国古代牧羊犬的主人去了解宠物的食物中有什么是它们需要的。
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