查询词典 cattle breeding

Breeding in Captivity · Keeping two or more dominant pairs in sight of one another may inhibit breeding.

繁殖圈养保持两个或两个以上的优势，在对视线的一个另一个可能抑制滋生。

He not only is our country hybrid rice research founder, also is the our country hybrid rice research chief designer and the most main leaders in a scholarly field. In 1986 he proposed the hybrid rice breeding from three is the law to two is the law to one is the law and uses three development phases from the variety to the subspecies to 远缘杂种 the superiority the strategic tentative plan, this tentative plan has become the domestic and foreign recognitions hybrid rice breeding the guiding ideology.

他不仅是我国杂交水稻研究的开创者，也是我国杂交水稻研究的总设计师和最主要的学术带头人。1986年他提出杂交水稻育种由三系法到两系法到一系法和从品种间到亚种间到远缘杂种优势利用三个发展阶段的战略设想，这一设想已成为国内外公认杂交水稻育种的指导思想。1987年两系法杂交水稻技术被列为国家&863&计划的重点课题。

The application of MAS in rice bacterial blight resistance and rice blast resistance breeding programs showed it is efficient in selecting individuals containing resistance genes from a crossing population, reducing the scale of subsequent experiment, and breeding variety with pyramided genes.

以抗白叶枯病基因及抗稻热病基因为例，利用分子标志辅助选拔进行杂交后裔族群的筛选，能有效地自杂交后裔族群中筛选出具有抗病基因的个体，并可缩小病原菌接种的试验规模，快速地育成堆叠抗病基因的品系。

Beneficial bacteria, it is with the characteristic of ammonification, nitrification, denitrification, desulfidation and dephosphorylation, etc., its growth is very quickly, it has the good efficiency for degrading water quality factor, it can well reduce ammonia and nitrogen, degrade nitrite, increase the dissolved oxygen in water, activate water quality, rich water, purify water, adjust water color, increase the transparency of water, restrain the reproduction of pathogen, prevent diseases of fish, by using this product for long term, can restore the water-ecological balance destroyed by slathering disinfector, antibiotics, form the advantage community, improve the water quality quickly, keep the good water ecological balance, decrease the disk of breeding, increase the benefit of breeding.

具有氨化、硝化、反硝化、脱硫除磷等生理特性，生长快，对水质因子降解效能高，可有效降低氨氮、降解亚硝酸盐、增加水中溶氧、活化水质、肥水、净水、调整水色、增加水体透明度、抑制病原菌繁殖、预防细菌性鱼病发生、长期使用本品可有效修复因大量使用消毒剂、抗生素等破坏的水生态平衡，形成优势种群，快捷改善水质质量，维持水体良性生态平衡。达到健康养殖、生态防病的目的，降低养殖风险，提高养殖效益。

The problem could halve the chick survival rate at the three Adelie penguin colonies on Ross Island ——estimated at 130,000 breeding pairs. In all Antarctica, there is an estimated three million Adelie penguin breeding pairs.

这个问题可能会导致罗斯岛上的三大阿德利企鹅族群的幼仔生存率减半——三大族群处于繁育期的大概有130，000对。

Company founder Mr. Ye Abin are famous far and near snail experts, in the early eighties him the brown clouds from Africa agate snail breeding carefully cultivate new varieties of snails experienced constant wearing twenty scientific exploration, breeding a genetically stable, succulent white as jade, individual large, fast-growing, disease less wide adaptability and high reproductive rate of the outstanding snail species, was the national counterparts as "Chinese white jade snail."

公司创建人叶阿彬先生是遐迩闻名的蜗牛专家，于八十年代初期，他从非洲褐云玛瑙蜗牛中精心选育，培养出蜗牛新品种，经历廿余戴不断地科研探索，繁育出基因稳定，肉质嫩白如玉、个体大、生长快、病害少、适应性广、繁殖率高等特点的优秀蜗牛品种，被全国同行誉为&中华白玉蜗牛&。

If the dog has severe hip dysplasia, the SV will permanently disqualify this dog from breeding and will publish the dogs name, parents, line breeding, owner, and breeder in the SV magazine.

如果发现犬有严重的臀部异常，SV组织立即否决用此犬繁殖的可能，并将在SV杂志上刊登犬的名字，父母，种系，犬主和繁育者。

First, the ecological environment,"Fung city yuan and Egg Factory" location for local products Xiao Feng Tangxiang city, regional area of 39.7 square kilometers, of which 5,400 acres of water can be breeding in the region a mild climate, sunny, fertile land , Abundant rainfall, with the duck's natural climate and material resources, is the abundance of water birds city centre and the birthplace of farming, breeding birds Gaixiang is a pillar industry. Quanxiang the end of 2002 the number reached 420,000 duck feathers, rich in water resources and full of aquatic plants, Lo shrimp resources, to provide natural green duck feed, the duck has a long history of the formation of "a row of fruit, a pool Fish, a duck shed "three-dimensional ecological farming model," Feng city yuan and egg plant "to provide fresh, high-quality source of the eggs.

&丰城市元和蛋品分厂&土产所在地为丰城市筱塘乡，区域面积39.7平方公里，其中有可养殖水面5400亩，该地区气候温和，阳光充足，土地肥沃，雨量充沛，具备了养鸭的自然气候和物质资源，是丰城市水禽养殖的发源地和中心，水禽养殖是该乡的支柱产业。2002年底全乡养鸭数已达42万羽，丰富的水面资源中，富有水草、螺虾资源，为养鸭提供天然的绿色饲料，悠久的养鸭史形成了&一排果、一池鱼、一棚鸭&生态立体养殖模式，为&丰城市元和蛋品厂&提供新鲜、优质的蛋源。

For example, relation of sand soil water content and plant leaf water potential of shrub breeding or arbor breeding in the morning can be simulated using the followed exponential function:〓 or 〓, in which, coefficient value of a and b are different on different breedings or different field.

通过在毛乌素沙地、乌兰布和沙地、库布齐沙漠、巴丹吉林沙漠等近6年的测试资料的研究分析表明：①营造固沙林后，沙土中的含水率降低，降低的程度主要受到林分密度和造林后林木生长年限的影响。

This article summarized the application of biotechnology breeding in fruit trees from embryo culture, anther and pollen culture, protoplast culture and cell fusion, gene engineering breeding.

本文从胚培育种、花药和花粉培养育种、原生质体培养与细胞融合、基因工程育种四个方面综述了生物技术在果树育种上的运用，并对其未来的发展作了展望。

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。