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- artificial breeding period 育苗期
- Select feed formula in the breeder cock's breeding period. 筛选种用公鸡繁殖期饲料配方。
- Title: Preliminary Study on the Domestication and Artificial Breeding of Introduced Tench Tinca tinca L. 关键词:丁(鱼岁);驯养;人工繁殖;苗种培育
- The artificial breeding animals such as coypu, mink, silver fox, etc. are highly reproductive. 草海面积45平方千米,一般水深为2米,冬季是候鸟的避寒胜地。
- This paper sums up and discusses the progress in study on eel species, distribution, spawning grounds and artificial breeding and so on. 文中总结了鳗鲡的生活史、种类、分布、产卵地、人工育苗技术的研究情况,并分别进行了讨论。
- More 50%lackeys raise class and about 30%dominants can keep them class in strange colony at breeding period. 繁殖期,50%25以上的从属鼠在陌生鼠群中提高了序位,30%25优势鼠可在陌生鼠中保持高序位。
- After artificial breeding, the mother laid about 200,000 spawns, with weight more than 20 kilograms, the mother is a hero. 经过人工繁殖,这只中华鲟妈妈产卵20多公斤,约20万粒左右,是一个英雄妈妈。
- Minghui86, the male parent, with the characters of tillering, long breeding period, lots of leaves and so on. 父本明恢86具有分蘖能力强、生育期长及叶片数多等特性。
- Abstract: Groupers are one of important aquaculture species.Due to lack of natural seedling, the technique of artificial breeding is critical and important. 摘 要: 石斑鱼是我国南方海水养殖的主要种类之一,由于天然种苗不足,人工育苗技术日显关键和重要。
- Somatic hybridization technique can overcome some difficulties in traditional breeding and shorten breeding period in tobacco. 利用体细胞杂交技术;可以克服传统的有性杂交遇到的诸多育种障碍;加速烟草品种选育进程.
- Research on artificial insemination and semen freezing and artificial hatching and starting in Grus vipio will promote the reproduction of the crane under artificial breeding. 对白枕鹤类的人工授精、孵化、育雏以及冷冻精液技术的研究,可促进人工饲养条件下鹤类的增殖和种群的繁衍。
- I studied the spatial associations and distribution of mound-building mice Mus spicilegus Petenyi during the breeding period in northern Bulgaria. 本文研究了保加利亚北部地区的匈牙利小家鼠在繁殖期的空间关系和分布。
- Objective To explore the species of common helminth in Tupaia belangeri chinensis, and to provide scientific basis for laboratory research, domestication and artificial breeding. 目的了解野栖树鼩体内常见的寄生蠕虫种类,为实验研究、驯化和人工饲养提供科学依据。
- Both the index of food percentage similarity and the overlap of trophic niches between breeding period and post breeding period were lower. 繁殖期和繁殖后的食物百分率相似性指数及营养生态位重叠值小,而食物百分率相异性及营养生态位分离值大。
- Objective To explore the species of common helminth in Tupaia belangeri chinensis, and to provide scientific heals for laboratory research, domestication and artificial breeding. 摘要目的了解野栖树鼩体内常见的寄生蠕虫种类,为实验研究、驯化和人工饲养提供科学依据。
- Reference value of these indices of the tufted deer was established basically, and it will provide reference for reinforcing the artificial breeding research in the future. 初步建立了圈养毛冠鹿的血液学生理生化指标参考值,为今后加强毛冠鹿的人工饲养及繁育研究提供了参考依据。
- This article summarized the research advance about harm, biological characteristics, laboratorial ecology, artificial breeding, suppression action etc. of beet armyworm. 文章综述了国内外关于甜菜夜蛾的危害、生物学特性、实验生态学、实验室饲养等方面的研究进展,并探讨了甜菜夜蛾以后的研究方向。
- We utilizes the method of direct heating to extract the alfalfa leaf protein concentrate(LPC) of different breeding period separately,then the nutritional value is appraised. 利用直接加热法提取了不同生育期的苜蓿叶蛋白,并对其进行了营养价值评价。
- This paper introduces and analyses the current progress in research of Rana chensinensis, including artificial breed, growth and development and the efficacy of Oviductus Ranae. 对中国林蛙的人工养殖、生长发育、林蛙油功用等方面的研究现状进行综合介绍与分析。
- Establishing zoological gardens,botanical gardens and various artificial breeding centers is an effective method for off-site preservation of various species of wild animals and plants. 建立动物园、植物园及各种引种繁育中心(基地)是迁地保护野生动植物的有效措施。