农学 >>> 畜牧学 >>> 畜牧学其他学科 >>>
搜索结果: 151-165 共查到知识库 畜牧学其他学科相关记录227条 . 查询时间(6.955 秒)
The experiment was carried out on 110 3-breed crossbreds fatteners [♂ Pietrain x (♀ Polish Large White x Polish Landrace)]. Pigs were reared in standard conditions and slaughtered at an average body w...
The infl uence of protein-xanthophyll (PX) concentrate of alfalfa supplement to crude protein-reduced diets was examined in relation to nitrogen excretion, performance parameters and pig meat quality....
The mean body weight of pheasant cocks (1226 g) and hens (946.9 g) receiving feed mixtures was lower than that of birds fed diets with wheat (♂ 1421.4 g, ♀ 953.2 g). The dressing percentage of both se...
One of the basic conditions of the economical success in milk production is the high and periodic reproduction of the cows. That means the parturition of a healthy calf from every cow per a year. The ...
The study concluded that an increase in Arab population, per capita in came, produced and imported quantity by it heading to increase in consumption by 1.76%, 2.61%, 0.662% and 0.385% respectively whe...
牛体培植优质牛黄高产稳产技术       牛黄培植  饲养       < 2008/10/17
中国天然牛黄数量远远不能满足医药工业的需求,90%靠人工牛黄代替。采用该技术所产牛黄质量优良,其颜色、气味、挂甲与天然牛黄基本相同。头产牛黄量从原来的2.5lg提高到8.625g(干),平均头产牛黄量在国内同类技术中属领先水平。筛选出5株最佳菌种;研制成促进高产稳产的皱褶核心;同时还发明了利用B超检查牛体牛黄技术,能发现牛胆道结石,及肝胆疾病,且不伤牛体。该技术已形成一套推广网络。据不完全统计,陕...
The aim of the paper was analysis of changes in range of performance test results of 19782 gilts of Polish Large White conducted in years 1995-2004, produced in Poland in the area activity of Bydgoszc...
An experiment was carried out to determine emissions of greenhouse gases from broiler chicken house during one fattening period (i.e. 40 days). The greatest concentrations of water vapour (H2O), carbo...
 项目针对祁连山农牧交错带优势动物种质资源和特殊的环境生态条件,结合现代畜牧生物技术的研究和应用,示范和推广了牦牛及肉羊舍饲肥育生产技术,开展了品种选育提高及杂交利用工作,初次探索了甘肃马鹿同期发情、人工授精技术和白牦牛胚胎移植技术,实现仔鹿的早期断奶,并对马鹿繁殖特性和仔鹿生长发育进行系统的观测研究。推广了肉羊异地肥育技术,开展牦牛犊牛的肥育和成年淘汰牛肥育,逐步扩大马鹿养殖规模,调整畜群结构,...
畜禽保健品系列产品开发与推广     畜禽  保健品       < 2008/9/16
 本项目研制开发了2%恩诺沙星水溶性粉剂,2,5%恩诺沙星溶液,复方增效联磺制剂,球菌净,牛得乐,犬驱弓形虫驱内外寄生虫片剂等化学制剂。通过细胞培养技术,研制了防制严重影响我市养猪业的传染病,猪繁殖呼吸综合征(PRRS)油乳剂灭活疫苗,经系列实验室研究和田间应用研究试验,证实能有效防制猪繁殖呼吸综合征在我市进一步流行发生,并通过市兽医药政管理办公室同意在我市进行扩大区域试验。通过科学推广应用研制的...
中国牦牛文献题录     牦牛题录  文献库  中国       < 2008/8/25
《中国牦牛文献题录》收集了1984-1993年国内有关专业杂志发表的牦牛文献746条,采用中英文排版编辑。1994年8月在“第一届国际牦牛研究学术研讨会”上交流,得到了国内外与会专家的高度评价。该题录为研究人员提供了专业性检索工具。
主要技术:不同型式畜禽舍设计改进研究;节能式畜禽舍内小环境控制技术研究;相应的配套技术研究(包括品种、饲料、疫病防治及饲养管理技术等)。基础上实施三年建三型五种节能畜禽舍计173816平方米,出栏商品瘦肉型19.6猪万头,肉鸡702万只。
20世纪60年代以来,免疫学无论在理论上和实践上都有了飞跃的发展,目前,在我国兽医界尤其重视免疫的预防。本文对免疫的概念进行概述,提出了免疫工作中存在的问题及造成免疫失败的几种原因,并一一相应地提出了切实可行的避免畜禽免疫失败的对策建议。
The axis deer (Axis axis) was imported from Germany and introduced into Brijuni in 1911. Brijuni are a group of islands in the Adriatic Sea along the western coast of the southern peak of the Istrian ...
Training cattle to avoid electric fences before turnout to grazing reduces the risk of the animals breaking out from their paddock. We investigated the time needed for dairy bull calves to learn to av...

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...