This paper briefly introduces the biological characteristics and value of alpaca breeding,reviews the development of alpaca breeding,describes the global distribution of alpaca and the current situation of alpaca bree...This paper briefly introduces the biological characteristics and value of alpaca breeding,reviews the development of alpaca breeding,describes the global distribution of alpaca and the current situation of alpaca breeding in the introduction of well-bred,indicates the technology of feeding,managing and deep processing.And finally some countermeasures for future development of alpaca breeding in China are put forward.展开更多
利用蚕豆根尖细胞微核技术对平顶山市河滨公园湖区水质进行监测,测定各采样点水样的蚕豆根尖细胞微核千分率(M C N‰)及污染指数(PI),并进行F检验。结果显示:所有样点水样的微核率均在21‰~25‰,与对照组相比差异极显著,所有采样点水样...利用蚕豆根尖细胞微核技术对平顶山市河滨公园湖区水质进行监测,测定各采样点水样的蚕豆根尖细胞微核千分率(M C N‰)及污染指数(PI),并进行F检验。结果显示:所有样点水样的微核率均在21‰~25‰,与对照组相比差异极显著,所有采样点水样的PI在3.5以上。表明亭湖水体受到重度污染,应加强污染综合治理,降低污染物对水体生物的毒害作用,保护亭湖水体景观生态。展开更多
文摘This paper briefly introduces the biological characteristics and value of alpaca breeding,reviews the development of alpaca breeding,describes the global distribution of alpaca and the current situation of alpaca breeding in the introduction of well-bred,indicates the technology of feeding,managing and deep processing.And finally some countermeasures for future development of alpaca breeding in China are put forward.
文摘利用蚕豆根尖细胞微核技术对平顶山市河滨公园湖区水质进行监测,测定各采样点水样的蚕豆根尖细胞微核千分率(M C N‰)及污染指数(PI),并进行F检验。结果显示:所有样点水样的微核率均在21‰~25‰,与对照组相比差异极显著,所有采样点水样的PI在3.5以上。表明亭湖水体受到重度污染,应加强污染综合治理,降低污染物对水体生物的毒害作用,保护亭湖水体景观生态。