查询词典 cattle breeding

Therefore, in this situation, improving the breeding of musk deer is an efficient measure of solving the demand of Chinese medicine for musk. So the economic benefits analysis of musk deer's breeding is a basic problem to solve.

因此，在目前野外麝类资源濒于灭绝的形势下，促进麝类资源的人工繁育是解决中医药业对麝香需求的一个有效措施，而麝类资源繁育的经济效益评价是需要解决的一个基本问题。

During the breeding process of Penacus vannamei,the PCR and RT-PCR techniques are applied to detect three types of virus,that is,WSSV,IHHNV,TSV,to protect the parental shrimp,egg,nauplius,parental shrimp feed,artemia and water from being infected.The purpose of this work is to breed the healthy Penacus vannamei,and to offer a feasible measure to keep a sustainable development for Penacus vannamei breeding.

应用PCR和RT-PCR技术对WSSV、IHHNV和TSV这3种对虾病毒在凡纳滨对虾育苗过程中各个环节进行了检测，防止亲虾、卵、无节幼体、仔虾、亲虾饵料、丰年虫、水体等诸环节受到以上3种病毒携带或感染，保证培育出的凡纳滨对虾仔虾是高健康的虾苗，为凡纳滨对虾健康养殖的可持续发展提供一条可行的途径。

However sugarcane is a nonsexual propagation crop with highly ployploidy and complex genetic background,breeding pathogens-resistance cultivals by using traditoonal breeding techniques will be a formidable task.

但由于甘蔗是高度杂合、遗传背景复杂的无性繁殖作物，常规的抗病育种所需时间较长，盲目性大，效果也有限制。

The most important diseases are caused by fungi,eg Ustilago Scitaminea Syd.However sugarcane is a nonsexual propagation crop with highly ployploidy and complex genetic background,breeding pathogens-resistance cultivals by using traditoonal breeding techniques will be a formidable task.

甘蔗是我国最为重要工业原料作物，近年来由于高产、高糖甘蔗品种的大面积使用，又缺乏相应的抗病品种，甘蔗病害日益严重，尤其是甘蔗的黑穗病、梢腐病等真菌病害常在蔗区大面积流行，严重影响甘蔗的产量和质量。

Genetic polymorphism and aggregation of seven sheep populations, including three breeding sheep populations (breeding F1, F2 and Bamei mutton sheep), three introduced mutton sheep breeds (Texel, Dorset and German Merino sheep) and one local female parent population, were assessed using 10 microsatellite markers.

方法］利用10个微卫星标记对3个选育绵羊群体（选育级进1代、级进2代、巴美肉羊），3个引进肉羊品种（德克塞尔、无角道塞特、德国美利奴）和1个当地母本群体进行微卫星标记鉴定，分析这7个绵羊群体的多态性和遗传聚集性。

Parthenocarpy is one of important economic traits and also is an important breeding objective in modern cucumber breeding program.

黄瓜单性结实特性是其重要的经济性状，选育单性结实品种是现代黄瓜育种中重要的目标性状之一。

Young peacock and 45 breeding peafowl were chosen and divided randomly into 3 groups respectively in triplicate for each group. The trial was designed in a single factor of 3 levels according to ME content in diets. The ME contents in diets were 11.09MJ/kg、11.53 MJ/kg and 12.24 MJ/kg for young birds and 11.33 MJ/kg、12.21 MJ/kg and 12.85 MJ/kg for breeding birds respectively.

试验选取2月龄蓝孔雀肉鸟90只，种鸟45只，各分为3个组，每组设3个重复，以能量水平为试验因子，肉鸟日粮代谢能水平为：11.09MJ/kg、11.53 MJ/kg和12.24 MJ/kg，种鸟日粮代谢能水平为11.33MJ/kg、12.21 MJ/kg和12.85 MJ/kg，饲养期为5个月。

Now, polyploid breeding is a commonly used method in crop breeding.

而多倍体育种是近代作物育种常采用的一种方法。

Polyploid breeding is very important for flower breeding.

多倍体育种在花卉育种具有重要意义。

Polyploid breeding has became a most important method and it has been also extensively applied in new flora species breeding.

我国有着丰富的报春花属植物资源，但是许多野生种尚未被引种栽培，使其在山野中自生自灭。

Methods Clinical data of 3 cases of bile duct injury during laparoscopic cholecystectomy were analyzed retrospectively.

回顾总结3例LC术中胆管损伤的临床资料，分析3例胆管损伤的原因及对策。

These techniques are applied to the gobang.

本文将这些技术用于五子棋中。