结果表明:放养条件下祖代固始鸡4~10周龄以胫长、体斜长和胸骨长发育为主,10~18周龄以胸宽、胸深和骨盆发育为主;放养期体重增长缓慢;
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The researchers said there are close ties between duck grazing patterns and rice cropping intensity.
研究员指出,放养鸭子和水稻栽种密度也有密切关联.
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轮流放养甚至可以通过保持草场的良好状况而避免野火的发生.
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Many animals may be farmed or ranched to create a valuable legal trade.
许多动物都可以驯化或放养,从而形成合法产业.
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Feral populations have sprung up in Sydney, Perth and Hobart from the release of unwanted birds.
因为在悉尼 、 佩思和霍巴特的多余鸟类放养而使得种群快速生长.
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This would stall the current trend to better animal welfare resulting from free-range agriculture.
应该制止目前的趋势,采用自由放养使牲畜得到更好的照料.
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Determination of the nutritional composition in silky fowl scattered in medlar garden
枸杞园放养乌骨鸡鸡肉营养成分的分析
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