Observation of Digestive Ability of Adult Microtus Fortis in Closed Breeding

Enzyme Activity Analysis and Directive Breeding of Actinobacillus succinogenes Fermenting Crop Straw Hydrolysate Containing Pentose and Hexose for Production of Succinic Acid

利用秸秆水解液五、六碳糖共发酵产琥珀酸放线杆菌的酶活分析及定向选育

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The Superior Poplar Clones Selection Test for Oriented Cultivation in Hubei Province Study on Techniques of Directive Breeding for Bamboo Shoots Forest

湖北省杨树人工林定向培育无性系选择研究集约经营笋用毛竹林定向培育技术探讨

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Directive Breeding of Artificial and Natural Mixed Forests in Stony Mountains of East Shanxi

晋东石质山人工天然混交林的定向培育技术

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Directive Breeding on Short Tail of KM Mice

定向培育短尾KM小鼠初报

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Study on Selection of Directive Breeding for Non-floccus Populus Variety

无絮杨树品种的定向选育研究

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Through Continuous Directive Breeding and Selection on the Improvement of Silkworm Cocoon Shell Ratio

连续定向培育和连续定向选择对家蚕茧层率的改良效果

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Compound Mutation and Directive Breeding of Adenosine Production Strain

复合诱变定向选育腺苷生产菌

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Investigation and analysis on the initial flowering time of 71 sugarcane parents in common use were conducted for five years running at Hainan Sugarcane Breeding Station.

分析了海南甘蔗育种场71份常用甘蔗亲本连续5年始花期调查资料。

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A seal lies next to a pool at a seal breeding station in Norddeich, northern Germany.

一只海豹在水池边舒服的躺著，它身在德国北部的诺德代希海豹饲养中心。

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From 1994 to 1997, Sheep embryo transplant technigue was conducted in different livestock breeding station.

1994～1997年分别在镇南种羊场宝山分场和白城市牧草良种繁育站等地进行了优质细毛羊胚胎移植技术研究。

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Recent Studies on Flowering Induction and Utilization of New Genetic Resources in Sugarcane at Hainan Sugarcane Breeding Station

近年来海南甘蔗育种场甘蔗开花诱导与新种质杂交利用研究

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Situation and development of artificial breeding of China forest frog

中国林蛙人工养殖现状及发展方向

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With their patience and efforts, they successfully developed a combination of artificial breeding and natural reproduction.

在他们的耐心和努力下,他们成功地开发出一种人工育种和自然繁殖相结合的方法。

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Research on artificial insemination and semen freezing and artificial hatching and starting in Grus vipio will promote the reproduction of the crane under artificial breeding.

对白枕鹤类的人工授精、孵化、育雏以及冷冻精液技术的研究，可促进人工饲养条件下鹤类的增殖和种群的繁衍。

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The results showed that main factors were artificial breeding skill, cost, ration and feeding skill, labor difficulty, live beef market, butcher skill, etc.

调查结果表明，主要的影响因素有：人工授精技术、推广经费问题、饲料与饲养管理技术、肉牛销售与市场、肉牛屠宰加工技术等等。

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So the author went deep into the Ningde Pseudosciaena crocea breeding area, nursery room, and a part of the leading enterprises to observe and research.

对此，笔者先后多次到宁德大黄鱼养殖区、育苗室进行现场观察与调研，并对我市部分龙头企业进行走访。

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In hairy clam breeding area the high nitrate-reducing bacteria in sediment is detected, shows that the sediment has high levels of nitrate.

毛蚶养殖区底泥中检测到了过高的硝酸盐还原菌，说明了说明贝类养殖环境中硝酸盐的浓度较高。

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The reasons are as the following: ( 1) flood creates the breeding area for the Oriental migratory locust outbreak;

其主要原因为：（1）水灾是为东亚飞蝗创造发生地和转移到临近地区危害的关键因子；

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Since the human activities, many living and breeding area were damaged and led to patch or fragile environment and the decreasing of the population size.

人类活动使种群的栖息地斑块化，进而使其成为脆弱生境，导致种群数量减少。

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The Naoli River Watershed is an important breeding area for rare and endangered Oriental White Stork.

挠力河流域是濒危水禽东方白鹳主要繁殖区域。

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