在哺乳动物，例如合作医疗的外来青年已被用于非繁殖和养殖女性描述。
In mammals such cooperative care of alien young has been described for both non-breeding and breeding females.
这些改进需要恰当的遗传和繁殖生物技术的广泛应用，这无疑会提高水产养殖的产量，从而加大对全球粮食生产的贡献。
Improvements that allow the wider application of appropriate genetic and reproduction biotechnologies will undoubtedly increase aquaculture production, thus contributing to global food production.
很多渔民确信不少油污正悬浮在下潜水流中，这会影响到牡蛎养殖场，螃蟹的繁殖和产卵的鱼群。
Many fishermen are convinced that much of the oil is suspended in the water column or has drifted to the bottom, where it's impacting oyster beds, crab herds, and spawning fish schools.
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