>>> 医学
搜索结果: 1-7 共查到pheasants相关记录7条 . 查询时间(0.062 秒)
A comparative analysis of reproduction parameters and hatchability results of pheasants raised under two different housing systems (cages and aviaries) was performed. In the first system the pheasants...
Compared to common pheasants, Mongolian × Versicolor hybrids were characterized by similar body weight and body measurements except for length of trunk with neck in females. The carcasses of Mongo...
Although avian mycobacteriosis is not prevalent among domestic fowl used for intensive husbandry, it has been described in both free living birds and birds in captivity, e.g., zoological gardens and s...
At the turn of 2005 and 2006, cecal samples from 302 pheasants, from two flocks from a farm with intensive production, and from 200 wild birds were collected. The prevalence of Campylobacter spp. in t...
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...
The effects of three doses of vitamin C (100, 200 and 300 mg/kg) added to the feed of reproductive pheasants on egg production, egg fertility and parameters of hatchability were investigated. In exper...
The authors present results of serological examination in 275 pheasants (Phaisanus colchicus) and 273 pigeons (Columba livia f. domestica) for the presence of Chlamydophila (Ch) psittaci IgG antibodie...

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...