季节性繁殖,seasonal reproduction
1)seasonal reproduction季节性繁殖
1.To study the regulation of photoperiod on seasonal reproduction and the associated endocrine mechanisms in Magang geese,adult breeding geese and ganders were exposed to natural photoperiod(controls),or subjected to an artificial program of long and short photoperiods(experimental birds).研究了光照对马岗鹅季节性繁殖活动和内分泌的调控。
英文短句/例句

1.The Biology of the Seasonal Reproduction of Chinese Skinks (Eumeces Chinensis);中国石龙子(Eumeces chinensis)季节性繁殖生物学研究
2.Study on Reproductive Regulation Mechanism in Pituitary-ovary during Breeding and Nonbreeding Season of Laiwu Black Goat;莱芜黑山羊垂体—卵巢繁殖季节与非繁殖季节繁殖调控机理的研究
3.Histological studies on gonad of Siganus canaliculatus in breeding season长鳍篮子鱼繁殖季节性腺的组织学研究
4.Histological studies on gonad of Tridentiger trigonocephalus(Gill) of the Yangtze Estuary in reproductive season长江口纹缟虾虎鱼繁殖季节的性腺组织学
5.Breeding Behavior and Seasonal Variation of the Testis Structure in the Gansu Zokor (Myospalax Cansus);甘肃鼢鼠繁殖行为及雄性生殖腺季节变化的研究
6.Study on the Change of the Normal Reproductive Hormones of Female Sika Deer in Reproductive Season;繁殖季节雌性梅花鹿主要生殖激素变化规律的研究
7.Study on Peculiarities of Gonadotroph and Changes about FSH and LH Concentration in Blood of Mares during the Breeding Season;繁殖季节母马垂体促性腺细胞特性及血液FSH和LH浓度变化的研究
8.The long plumes of a heron in the breeding season.处在繁殖季节一只鹭的长羽毛
9.The efficiency of reproduction may decline as a result of seasons.繁殖效率可能受季节的影响而下降。
10.In the feeding season and the overwintered period,the sexual ratio betwee the females and males is about 1:1. The change of maturity coefficient of the female is 14.50% in the breedin season and there is a bit of decrease in other seasons.繁殖季节中雌鱼的成熟系数高达14.5%。
11.Study on Sheep Estrus Control in Non-Reproductive Season;绵羊非繁殖季节发情调控技术的研究
12.A seasonal route followed by birds migrating to and from their breeding areas.候鸟飞行的固定路线候鸟从繁殖地往返的季节性路线
13.The Relationship between Melatonin and Gonadotropins in the Breeding Season of Camel (Camelus bactrianus)and Yak (Bos grunniens)双峰驼和牦牛繁殖季节褪黑素与促性腺激素之间的关系
14.Studies on Effects of Season on Reproductive Performance of Meat Breed Sheep Rams;季节因子对肉用型绵羊品种公羊繁殖性能影响的研究
15.Time budgeting of captive koklass pheasant (purcasia macrolopha) in unbreeding season;笼养勺鸡非繁殖季节时间分配和活动节律
16.The objective of our study was to study the macromorphology of the reproductive organs through laparoscopy implemented during the anoestral season and in the stages of the sexual cycle through the breeding season.研究目标是通过在非繁殖季节和繁殖季节的发情周期内利用腹腔镜研究生殖器官的宏观形态。
17.Excellent Features of the Ever-blooming Rose and the Technology of Propagation and Management四季玫瑰优良特性及其繁殖管理技术
18.any of various usually white herons having long plumes during breeding season.繁殖季节时长有长羽毛的通常是白色的多种鹭。
相关短句/例句

reproductive seasonality繁殖季节性
1.Study on photoperiodic regulation of reproductive seasonality of Guandong greylag geese;光照对广东灰鹅繁殖季节性的影响研究
2.The relationship between melatonin receptor 1B gene and reproductive seasonality was also discussed.作者介绍了褪黑激素受体1B的结构和功能,褪黑激素受体1B基因的克隆及基因结构、发育性表达与作用、定位与多态性,并讨论了该基因与繁殖季节性的关系。
3)Seasonal reproduction繁殖季节性
4)Seasonal breeding pattern季节性繁殖型
5)Non seasonal breeding pattern非季节性繁殖型
6)seasonal breeder季节性繁殖家畜
延伸阅读

草地季节性利用草地季节性利用seasonal utilization of grassland eoodi JIJiexingl一yong草地季节性利用(Seaso耐utilization of grassland)根据气候条件、草地植被条件、地形条件、水源条件和管理条件的差异以及牧民对草地的利用习惯,按季节划分放牧草地,随着季节的更替,顺序地年复一年地轮流放牧。草地的季节性利用可在不同季节,满足家畜对各类草地的需求,同时可使草·巍熬… 机械打草备冬(《中国国土画册》)地得到均匀利用。草地季节性利用是中国天然草地放牧利用的特点,各地区随自然经济条件与利用习惯的不同,都具有各地季节性放牧地的特色。有些地区划分为四季放牧地,有些地区划分为三季放牧地,有些地区只有两季放牧地。 四季放枚地东北草原区和内蒙古草原区东部地区,草地面积宽裕,植被盖度,牧草产量也较高,冬季有积雪,水源丰富,常划分为四季放牧地。冬季放牧地通常利用缺水草地;春季放牧地靠近居民点;夏季放牧地集中在河流两岸;秋季放牧地选在沙窝子或盐碱地草质较优的地区。 三季放牧地新疆、内蒙古等草原区均有三季放牧地的组合。新疆北疆的天山北坡、阿尔泰山和准噶尔界山等地为冬季放牧地、春秋放牧地和夏季放牧地三季轮换。季节性放牧地是按草地植被的垂直分布来划分的:冬季利用地势低,向阳避风的盆地、山间谷地、沙窝子等草地,随着季节的变暖,草地的利用由山麓逐渐向山上转移;夏季利用凉爽的山地草地,之后随着季节的转冷,则由高山向山麓逐渐转移;春秋利用夏季放牧地和冬季放牧地之间过渡区的草地。新疆南疆的天山南坡及山前平原区和内蒙古锡林郭勒盟、乌兰察布盟北部地区则为黝 新疆细毛羊在冬草场放牧(潘君乾摄)冬春一季,形成冬春、夏、秋三季放牧地。冬春利用距居民点近,避风向阳的沟谷、丘间低地或固定、半固定沙丘植物枝叶保存良好的草地;夏季利用水源充沛,且地势高燥、凉爽通风植物生长旺盛的台地和岗地或牧草低矮而无蚊蝇的坡地,秋季利用离居民点较远,多汁、枯黄晚、结实丰富牧草质量高的开旷平川和滩地草地。在甘肃和宁夏西北部还采用冬、春、夏秋或冬夏、春、秋两种组合形式。前者的优点在于冬春分开,可防止冬季放牧地过度利用,同时春季倒人夏秋季放牧地,使处于青黄不接状态的家畜得到青草,迅速恢复体力;后者主要是适应沙区草地的特点。 两季放收地新疆南部的昆仑山与塔里木盆地、阿尔泰山,内蒙古中西部地区的草地划分为两季放牧地。最常见的是冬春、夏秋两季放牧地。冬春季放牧地常利用草高避风,靠近居民点的草地,如谷地、湖盆、沙窝子等;而夏秋季节则选择起伏的高山、丘陵、岗地和平原草地。(韩建国)