本文结合香精油的理化性质及其作用机理，对其在动物生产中的抗菌作用和对营养物质代谢的影响进行介绍。
In this article, the physicochemical property and mechanism of essential oil and its antibacterial action in animal production as well as the influence to nutrient metabolism were reviewed.
研究小组认为这里面大有文章。也许身体是饥是饱、对食物中营养物质的吸收代谢情况，远比我们认为的重要。
The team thinks there's more to it. Perhaps hunger, fullness and how the body absorbs and metabolizes nutrients in food matters more than we think.
本文研究了硼砂对绵羊营养物质消化率及氮代谢的影响。
Effects of borax on digestibility of nutrients and nitrogen metabolism in sheep were investigated.
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