奶公牛集约育肥开辟肉牛生产新途径

来源 :首届(2014)山东奶业发展大会暨山东省畜牧协会奶业分会第三次会员代表大会 | 被引量 : 0次 | 上传用户:aijieyeyi559
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
牧和养殖有限公司简介肥城市牧和养殖有限公司是以奶牛养殖为主导产业的综合养殖企业,分两个区域,占地面积1000亩.集生态养殖和综合种植于一体,目前存栏奶牛1500多头,肉牛800多头,蛋鸡2.4万只,蛋鸭1.6万只, 蛋鹅1.2万只.
其他文献
  Flaveria bidentis is a worst weed newly invaded in China,study on its stoichiometry help understanding its strategy to invade and adapt in different environ
  [Background] Herbivore injury has a direct effect on the growth and performance of host plants through photosynthetic suppression.However,changes in photosy
  柑桔木虱Diaphorina citri(半翅目Hemiptera:扁木虱科Liviidae)是柑桔 新梢期的主要害虫,同时也是柑桔上最严重的病害—黄龙病主要的媒介昆虫。本 研究基于线粒体细胞色素
  Conyza canadensis(L.)Cronq.is a widespread weed species forming dense populations in most regions of China.In the present study,Petri dish bioassays with aq
  The sweet potato whitefly,Bemisia tabaci(Gennadius)(Hemiptera: Aleyrodiadae),is one of the most serious pests with wide host range.In this study,the potenti
  小蠹虫是我国口岸经常截获昆虫之一,也是国际贸易中重要的钻蛀性害虫.其作为重要的森林害虫,不仅本身会对林木造成危害,许多小蠹也是真菌病原体的携带者,携带的病菌将导
  Reproduction is an important life process in insects; however,few studies have attempted to demonstrate the association between changes in reproductive acti
  土壤微生物不仅是土壤养分转化的驱动力,同时还是土壤养分转化中的调节库。由于氮素在植物营养及生态环境等方面的重要地位,因此,土壤微生物量氮在调节土壤氮素供应方面的作
  Nile tilapia(Oreochromis niloticus)is one of the most widespread invasive fish species,which have successfully established populations in the major rivers o
  Allelochemicals released from invasive plants may contribute to plant invasion in new habitats.We tested this idea regarding the invasive weed Wedelia trilo