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- Random mating within a breeding population. 自由交配在一个育种群中自由交配
- local breeding population 地方繁殖种群
- Tibetan sheep is a local breed in our country. 藏羊是我国数量较多的优良地方羊种.
- The breeding population; retained a few bulls for breeding purposes. 繁殖种群；留下几头公牛育种。
- Gansu modern meat sheep new breed population was produced by grading local sheep ewes, which were mainly Mongolia sheep, using introduced parental Berderdale and Poll Dorset sheep. 甘肃现代肉羊新品种群是用永昌肉用种羊场引进的肉羊品种波德代羊、无角陶赛特羊与当地绵羊(主要是蒙古羊)经过复杂杂交形成的。
- Cele black sheep is a prolific lambskin local breed which is a favoral breed in the region. 策勒黑羊是以生产羔皮为主的多胎优良地方品种,深受当地群众的喜爱。
- The breeding population must cycle through a selection phase before each successive regeneration stage. 每个后续世代更换之前，育种种群必须经过一个选择循环。
- STUDY ON THE ACTIVITIES AND BIOMASS PRODUCTION OF BREEDING POPULATION OF CHINESE POND HERON ARDEOLA BACCHUS. 池鹭繁殖种群数量、活动规律和生物生产量的研究
- The 4th, a mountainous area raised local breed pig asks to undertake closedown seed selection rises, do not answer to fall into disuse blindly. 第4，山区饲养的地方品种猪要求进行闭锁选育提高，不应盲目淘汰。
- Koza's system created 500 to 10,000 different individual logic trees as the breeding population. 柯扎的系统像繁殖人口一样创建了500到10,000个不同的独立逻辑树。
- Usually a relative measure: the average contribution to a breeding population by a phenotype or a class of phenotypes. 通常是一个相对的标准：指某一表型或一类表型对某一个繁育群体的平均贡献值。
- Despite the thousands of Bigfoot that must exist for a breeding population, not a single body has been found. 没有一个“大脚”被猎人杀死或是被超速的汽车撞死，连自然死亡的都没有。
- For example, in northern Vietnam, local breeds comprised 72 percent of the sow population in 1994, and within eight years, this had dropped to just 26 percent. 例如,在越南北部,1994年地方猪种占母猪总数的72%25,该数字在八年内下降到26%25。
- Gene pool The total number and variety of genes existing within a breeding population or species at a given point in time. 基因库:是繁殖种群或种类在某一给定的时间所有基因的数量或种类。
- Now the size of breeding population in Luxi cattle should be enlarged to maintain the genetic diversity level of population. 目前应扩大保种群的数量，以维持群体内的遗传多样性。
- We found coefficient of inbreeding will increase in close breeding populations. 发现麋鹿占群优势雄性数目越少，其有效种群越小。
- As efforts to prevent the bluefin tuna suffering a similar fate are increased, some conservationists wonder whether there will still be a breeding population left to save. 在防止金枪鱼惨遭同样的命运方面的努力不断加强的同时，一些资源保护学家在质疑---是否还有一个可繁殖的数量可以被保护。
- The Puritan exclusive localism breeded Isolationism. 清教排他的地方主义是孤立主义滋生的温床 ;
- Based on the food habit of the breeding population of Bufo raddei, the food diversity and trophic niche were studied in Changchun, Jilin province in 1995 from April to May. 作者于1995年4-5月份在长春市调查了花背蟾蜍繁殖种群不同繁殖时期的食性，并通过食物多样性和营养生态位对食性变化进行了分析。
- Training programs on livestock breeding should include specific components dealing with the benefits of and strategies for preserving and utilizing local breeds. 关于家畜育种的培训计划应该包括特定的关于保存和利用当地品种的益处和战略的部分。
