理学 >>> 生物学 >>> 动物学 >>> 动物生长发育学 >>>
搜索结果: 151-165 共查到知识库 动物生长发育学相关记录444条 . 查询时间(2.312 秒)
We report nutritional physiology and non-specific immune responses of vitamin E in parrot fish for the first time. This study aimed to investigate the essentiality and requirements in diets based on g...
Four experiments with 2,020 nursery pigs (Triumph-4??PIC Camborough 22) were conducted at a commercial research site to evaluate the effects of including 30% distillers dried grain with solubles (DDGS...
This study was conducted to assess the effects of organic and inorganic copper on performance in growing pigs. A total of 100 pigs, average age 63 d and initial body weight 21.46??.13 kg, were assigne...
Two feeding experiments were conducted to investigate the effects of dietary paprika (DP) and lipid (DL) levels on growth performance and skin pigmentation of pale chub, Zacco platypus. Six diets (des...
This study was conducted to determine the effects of different copper (inorganic and organic) and energy (tallow and glycerol) sources on growth performance, nutrient digestibility, gas emission, diar...
The objective of the present study was to compare feed and water intakes, growth performance and carcass characteristics of indigenous lamb fed diets containing various levels of halophyte Sporobolus ...
The objective of this study was to determine optimal lysine requirement of lactating Mong Cai sows and their piglets. An experiment was conducted using 30 Mong Cai sows in a factorial randomized desig...
The aim of this study was to investigate the effect of supplemental recombinant bovine somatotropin (rbST) and cooling with misters and fans on renal function in relation to regulation of body fluids ...
The Liujiang cranium is the most complete and well-preserved late Pleistocene human fossils ever unearthed in south China. Because the endocranial cavity is filled with hard stone matrix, earlier st...
哺乳动物是一类最进化并在地球上占主导地位的动物类群,重建其系统发育关系一直是分子系统学的研究热点。随着越来越多物种全基因组测序的完成,在基因组水平上探讨该类动物的系统发育关系与进化成为研究的热点。本文从全基因组序列,稀有基因组变异及染色体涂染等几个方面简要介绍了当前系统发育基因组学在现生哺乳动物分子系统学中的应用,综合已有的研究归纳整理了胎盘亚纲的总目及目间的系统发育关系,给出了胎盘动物19 个目...
在实验室条件下,以含0% 、3% 和6% 植物酚类化合物的食物饲喂东方田鼠,测定了植物酚类化合物对其生长发育和内脏器官发育的效应。结果表明,食物蛋白质为10% 时,含3% 和6% 酚类化合物的食物饲喂的实验个体,其体重在30 d 时较对照组个体分别降低16. 4% 和32.1% (P < 0.05),在60 d时较对照组个体分别降低16.3% 和35.4% (P < 0.05)。摄食含6% 酚类化...
用“升索牌”牙鲆专用饵料作为残饵、以静水法培养法研究了氨氮在水-残饵界面的迁移速度.结果表明,在5,10,20和30 ℃时的迁移速度分别是0.289 8±0.057 2,R=-0.01 6±0.000 4t+0.285 5±0.030 2,0.269 1±0.149 0和0.241 5±0.080 5μmol·g-1·h-1.该残饵的鱼当量为0.04~0.54尾牙鲆.即对于牙鲆而言,如果投喂的饵料...
根据高山姬鼠幼仔56 d 的生长资料初步分析了其生长发育规律;用电子天平测量了体重的增长过程; 用开放式呼吸仪测定了静止代谢率(Resting metabolic rate,RMR)、非颤抖性产热(Nonshivering thermogenesis, NST)以及肺皮蒸发失水(Evaporative water loss,EWL)。依据逻辑斯蒂曲线的拐点,高山姬鼠的体重生长可划分为加速生长相和减...
The relationship between the lordosis severity and swimming performance in sea bass juveniles was investigated. In total, 149 experimental animals 110-130 days old that ranged from 1.44 to 3.44 g (mea...
红树林海区鱼类资源增殖放流效果调查     单(雄)性尼罗罗非鱼  增殖放流  渔业资源  效果       font style='font-size:12px;'> 2012/11/22
为探讨渔业资源增殖放流的可行性和效果,5万尾单(雄)性尼罗罗非鱼放流后经海上定点采样调查,发现:放流区域的当年渔获量和多样度指标都有所增加,而没有放流的区域和年份却继续递减;放流后经济鱼类数量有所增加;放流的单雄性尼罗罗非鱼不繁殖后代,只在一定的区域内活动.放流调查取样结果表明渔获物中尼罗罗非鱼占总数的32%和总重量的36.2%,放流存活率达72%,累积生长率为23.25 g/月,运用回归方程计算...

中国研究生教育排行榜-

正在加载...

中国学术期刊排行榜-

正在加载...

世界大学科研机构排行榜-

正在加载...

中国大学排行榜-

正在加载...

人 物-

正在加载...

课 件-

正在加载...

视听资料-

正在加载...

研招资料 -

正在加载...

知识要闻-

正在加载...

国际动态-

正在加载...

会议中心-

正在加载...

学术指南-

正在加载...

学术站点-

正在加载...