繁殖群

繁殖群中婴幼川金丝猴社会关系发展的个案研究

Development of social relationship of infant golden monkeys in breeding group : a case study

将粗毛型兔淘汰，自绒毛型兔中选出理想型公母兔作为基础繁殖群进行横交固定，形成新的獭兔品系VC-I系。

The ideal fuzz rabbits were selected as a foundation stock for intersect-breeding , and finally a new rex rabbit strain-Veterinary College-I ( VC-I ) was bred .

裸小鼠繁殖群自发性肿瘤发病情况的研究

Incidence of spontaneous neoplasm in nude mice of breeding colony

中国最大的黄嘴白鹭繁殖群调查报告

The Biggest Chinese Egret Breeding Flock of China

从进入繁殖群到配种，最必需的是用后备母猪专用料并采用自由采食方式来饲喂后备母猪。

All that will be required will be to feed a gilt developer diet ad libitum from arrival in the breeding herd until mating .

在昆明小鼠繁殖群中，随机抽取180只21日龄小鼠，雌雄各半。

One hundred and eighty 21-day-old mice ( 1 : 1 ) were randomly selected and were divided into 6 groups in-taking , propagating and non-breeding .

每个麋鹿繁育基地应建立两个以上的繁殖群，组成繁殖群时，应隔离亲缘关系近的繁殖公鹿和雌鹿；

At least two breeding herds should be maintained at each P è re David 's deer breeding base , we should isolate these deer with close relationship when establish breeding herds ;

它那张残缺不全的巨网还在，但它所繁殖的那群后代已被食死徒赶去为他们战斗了。

The remnants of his vast web were there still , but the swarm of descendants he had spawned had been driven out by the Death Eaters , to fight for their cause .

各毒株间毒力差异大，宿主范围广泛，可在机体内长期繁殖，与Ⅰ群和Ⅱ群禽腺病毒之间无交叉反应，具有独特的抗原性和生物学特性。

The virulence between strains was large differences , the host ranges widely and the virus can be reproduced in the body long . There was no cross reaction between fowl adenovirus ⅰ and fowl adenovirus ⅱ and have Unique antigenicity and biological properties .

模拟分析了繁殖群体大小、繁殖偏倚和占群优势雄性数目对麋鹿的有效种群大小的影响。

We simulated the impacts of breeding herd size , reproductive skew and numbers of breeding stags on the inbreeding coefficient of P è re David 's deer .

结果表明，在繁殖期的不同阶段东北虎的行为发生较大的变化。普氏野马繁殖群在组建和放归初期的争斗行为与社群等级建立

During different phases , there were clear variations in behaviors of Amur tiger . The Agonistic Behavior and Hierarchical Formation of the Equus przewalskii Herd in the Individual Coalition and Initial Releasing Period