搜索结果: 76-90 共查到“知识库 畜牧经济学”相关记录167条 . 查询时间(1.984 秒)
甘肃省牛、羊肉产品竞争力分析及提升对策
畜产品 竞争力 比较优势法 产业集中度
2013/8/6
应用比较优势法、产业集中度指数法以及成本收益分析法，多角度测算了甘肃省特色畜产品牛、羊肉的竞争力。结果表明，目前甘肃省牛、羊养殖依然以小规模散养为主，牛肉生产并不具有规模优势，而羊肉生产的规模优势微弱；从产量优势看，牛、羊肉生产均具有较强的比较优势；在规模优势和产量优势共同作用下，甘肃省牛肉的综合比较优势日益凸显，羊肉的综合比较优势则稳步提升。2008年牛肉生产区域集中度为57.932 6%，具有...
Identification of Superior Single Nucleotide Polymorphisms (SNP) Combinations Related to Economic Traits by Genotype Matrix Mapping (GMM) in Hanwoo (Korean Cattle)
Economic Traits Genotype Matrix Mapping Single Nucleotide Polymorphisms Hanwoo CCDC158 Gene
2016/5/9
It is important to identify genetic interactions related to human diseases or animal traits. Many linear statistical models have been reported but they did not consider genetic interactions. Genotype ...
Quantified Analyses of Musk Deer Farming in China: A Tool for Sustainable Musk Production and Ex situ Conservation
Average Musk Extraction Musk Extraction Ratio Sustainable Musk Supply
2016/5/9
Adult male musk deer (Moschus spp.) secrete musk, a widely used ingredient in traditional Asian medicine and the international perfume industry. Musk deer are endangered due to historic over-utilizati...
Association of the KAP 8.1 Gene Polymorphisms with Fibre Traits in Inner Mongolian Cashmere Goats
Keratin Associated Protein 8.1 Polymorphisms Cashmere Weight PCR-SSCP Inner Mongolian Cashmere Goats
2016/5/9
The objective of this study was to investigate polymorphisms of keratin-associated protein 8.1 (KAP8.1) gene and its effect on fibre traits of Chinese Inner Mongolian Cashmere goats. The fibre traits ...
Development of Gastric and Pancreatic Enzyme Activities and Their Relationship with Some Gut Regulatory Peptides in Grazing Sheep
Digestive Enzymes Plasma Regulatory Peptides Grazing Lambs
2016/5/6
Forty-four Gansu Alpine Fine-wool lambs were used to study changes in the activities of three gastric and five pancreatic enzymes under grazing conditions between 0 and 56 days of age. The lambs were ...
河南省小麦生产中相关投入的计量经济模型分析
化肥投入 相关性 多元回归
2011/9/5
此文采用计量经济多元回归模型对河南省（1978—2008年）小麦生产各投入要素进行回归分析，得出各投入要素与小麦产量的相关性及与各要素之间的相关性，再根据河南省的省情，分析出化肥对小麦产量的影响极大。然而化肥投入过多对小麦生产也存在一定的负面效应，同时对生态环境影响很大，尤其是温室效应的加剧。随着小麦生产中化肥投入的不断增加，残留在土壤中的化肥和植物利用化肥后排到大气中的N2O也越来越多，为了改善...
Abundance, Distribution and Culture Potentials of Three Commercially Important Mollusks Species along the Coast of Bay of Bengal
Abundance Distribution Culture Potentials Commercially Important Mollusks Species the Coast of Bay of Bengal
2010/12/16
Abundance, Distribution and Culture Potentials of Three Commercially Important Mollusks Species along the Coast of Bay of Bengal。
金融危机对中国养蜂业生产、贸易和企业发展的影响分析
金融危机 养蜂业 周期性
2011/3/31
为了全面了解2008 年以来金融危机对中国养蜂业的影响，笔者对全国193 户养蜂户和30 多家蜂
产品加工企业进行了调查。运用数理统计分析方法，结合专家访谈和笔者多年的从业经验，从生产、贸
易和企业发展等多角度对金融危机的影响进行了综合地分析。结果显示：金融危机爆发后，中国蜂产品
出口整体形势较好，但蜂王浆制剂产品的出口受到影响较大，出口锐减；中国蜂蜜也暂时退出美国市场；
金融危机对养蜂生...
Aspergillus flavus Producing Aflatoxins Isolated from Materials of Commercial Feed in Japan
imported hay rDNA-ITS total mixed ration
2010/10/25
To investigate both aflatoxin contamination in feed produced in Japan and the distribution and movement of aflatoxin-producing fungi in the feed, a survey experiment was performed. Aspergillus fungi w...
吉林省生猪产业链组织模式评估
生猪 产业链 组织模式 吉林省
2011/8/17
根据各组织载体的投资情况以及各组织载体对产业链控制程度的不同,可以将吉林省生猪产业链组织模式分为企业全链条投资控制的产业链组织模式和由分散的各环节组织载体合作形成的产业链组织模式2种。文中从生猪产品质量、生猪产品数量、生猪产业链构建及运行成本、生猪产业链敏捷性、生猪产业链可持续性5个方面对吉林省生猪产业链组织模式进行定性评估。
Economic recovery of backyard rabbitory for self sufficiency in Oyo State, Nigeria
Rabbit Cobb-douglas production function elasticities
2011/1/12
Nigerians are finding it difficult to adequately feed and provide basic necessities of life to their families. This is in spite of the country’s numerous and diverse natural resources. For rural Niger...
MACHINE-RELATED FARM INJURIES IN TURKEY
accidents agricultural workers wounds and injuries
2010/12/22
Traumas connected with agricultural production can result in serious injuries
and mortality. The objective of the study was to describe the characteristics of agricultural
machines related work inju...
Livestock producers’ needs and willingness to pay for extension services in Adana province of Turkey
Extension livestock willingness to pay
2011/1/11
There is an ongoing argument about user fees in public agricultural extension services. In Turkey, Ministry of Agriculture and Rural Affairs’ Farmers Education Division provides agricultural extension...
Effect of Experience, Education, Record Keeping, Labor and Decision Making on Monthly Milk Yield and Revenue of Dairy Farms Supported by a Private Organization in Central Thailand
Dairy Farming Milk Production Revenue Farmer Tropics
2016/5/5
The objective of this research was to assess the effect of experience, education, record keeping, labor, and decision making on monthly milk yield per farm (MYF), monthly milk yield per cow (MYC), mon...
The impact of socio-economic characteristics and sources of information on using conservative agricultural methods
Conservative agriculture wheat sowing farmer behavior
2011/1/11
In this research, socio-economic characteristics and information sources of the farmers performing sowing with combined sowing machine which is one of the conservative tillage methods and the farmers ...