农学 >>> 畜牧学 >>> 家畜育种学 家畜繁殖学 动物营养学 饲料学 家畜饲养管理学 特种经济动物饲养学 家畜行为学 家畜卫生学 草原学 畜产品贮藏与加工 畜牧机械化 养禽学 养蜂学 养蚕学 畜牧经济学 畜牧学其他学科
搜索结果: 1-11 共查到畜牧学 boars相关记录11条 . 查询时间(0.087 秒)
The East Balkan pig (EBP) is a traditional domestic pig breed in Bulgaria managed in semi-wild conditions and well-adapted to the continental climate and rearing on pastures. From the genetical and hi...
Data on 75 567 ejaculates from 1 417 boars of the breeds Czech Large White and Czech Landrace collected in 23 AI centres between 2000 and 2007 were analyzed. Fixed effects were estimated from a four-t...
The objective of this experiment was to test a hypothesis that L-carnitine supplemented diet would improve semen characteristics in 6 adult crossbred AI boars (Hampshire ?Pietrain). The control and th...
The objective of this study was to provide some data on concentrations of seminal plasma free amino acids (FAAs) in order to compare these values with different total contents of morphologically abnor...
Trichinellosis is a parasitic zoonosis that is of importance to public health; human trichinellosis usually occurs when improperly cooked pork or wild animal meat is consumed. The purpose of this st...
Selenium plays an important role in boar nutrition via participating in selenoprotein synthesis. It seems likely that selenoproteins are central for antioxidant system regulation in the body. Se-depen...
An attempt to evaluate the effect of spermatozoa concentration in one ejaculate on their measurements, shape, frequency of occurrence of morphological abnormalities in spermatozoa and physical traits ...
The quality characteristics of semen are important indicators of the fertility of a boar. Development of genetic markers for the semen quality in boars will be beneficial to the improvement of porcine...
The existence of high diversity between animal populations and species, negative human infl uence through overexploitation, as well as changes of natural habitats, both ensured the fact that animal en...
The objective of the study was to compare the influence of the organic Se (Se-Yeast) + vitamin E and inorganic Se (Na2SeO3) + vitamin E on reproductive performance of young boars. The studies were car...
This study was carried out to investigate the effects of season influencing semen characteristics, frozen-thawed sperm viability and testosterone concentration in Duroc boars. There were no significan...

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...