Small sandpiper-like shorebird having lobate toes and being good swimmers; breed in the arctic and winter in the tropics.

Progress in tho Research of tho Two ─ line Breeding of Indica ─ Japonica Hybrid Rice in China

中国两系法籼粳杂交水稻育种的研究进展

Project Progress Report on New Beef Line Breeding by Introducing the Charolais Blood into Nanyang Cattle

南阳牛导入夏洛来培育肉用新品系项目进展

Studies on Line Breeding of Yimeng Coarse-wool Angora Rabbits

沂蒙巨型长毛兔品系选育研究

Theory and Practice of Egg-duck Line Breeding for Combination

蛋鸭配套品系选育的理论与实践

On the Application of Embryo Transfer in Line Breeding of Yellow Cattle

浅谈胚胎移植在黄牛品系繁育中的应用

Estimates of population size in pure-line breeding of soybean

大豆纯系育种中群体规模的估计

The origin 、 development and Prospect of line breeding in China

系统育种在我国的产生、发展与展望

This paper discusses closed water breeding techniques of eel from the design of the pool, treatment of seed eels and management.

本文主要从鳝池的设计、苗种处理、日常管理等方面探讨了鳝鱼的静水无土养殖技术。

Closed nucleus breeding in a small population inevitably result in inbreeding and decreasing of genetic variance.

小群体的闭锁选育不可避免产生近交及遗传方差下降，导致近期与远期选择效果的矛盾。

Soilless breeding eel can be further divided into running water breeding and closed water breeding.

鳝鱼无土养殖可分为流水无土养殖和静水无土养殖两种类型。

Comparison of Closed Herd Breeding and Opened Selection

全闭锁群体继代选育和开放式选育效果比较

The number of tail bone is different: Henan 26, Hebei 28. Conclusion Because of long closed breeding, KM mice of Henan Medical University are difference at tail length and the number of tail bone from other KM mice. The tail is more longer.

本中心小鼠尾骨节数分别为26，而河北医科大学KM小鼠尾骨为28节。结论：由于长期的封闭饲养，本中心KM小鼠与其它KM小鼠存在差异：尾较长，30周龄长2cm。

Application of Preparation Chromosome with ConA in Closed Breeding Microtus fortis

封闭群东方田鼠染色体制备中ConA的应用技术研究

Observation of Digestive Ability of Adult Microtus Fortis in Closed Breeding

封闭繁殖的成年东方田鼠消化能力的观察

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

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

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

Directive Breeding on Short Tail of KM Mice

定向培育短尾KM小鼠初报

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

无絮杨树品种的定向选育研究

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