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Economic impact of paratuberculosis in dairy cattle herds: a review
Johne’s disease MAP dairy cattle economic losses Crohn’s disease IS900
2015/3/5
Paratuberculosis (PTB) is a disease which causes considerable economic losses to producers of livestock, particularly dairy cows. Nowadays PTB is one of the most prevailing and costly infectious disea...
Tuberculous lesions in pigs in the Czech Republic in the years 1990–1999: occurrence, causal factors and economic losses
mycobacteriosis PCR risk assessment
2015/1/28
In the decade monitored a total of 45 873 318 pigs were slaughtered and examined according to veterinary hygiene standards. Apart from 1991, when results of tuberculous findings were not obtained, tub...
Benefit-cost analysis and socio-economic considerations of trypanosomiasis control and treatment in Northern Ghana
Savelugu/Nanton socio-economic trypanosomiasis tsetse fly benefit-cost analysis
2011/1/12
The paper estimated the cost of tsetse control and treatment of trypanosomiasis and the benefits involved, using benefit-cost analysis. It also estimated the extent to which socio-economic characteris...
山羊经济性状标记辅助选择的遗传效应分析Genetic Effect of the Marker Assisted Selection on Economic Traits of Goats
山羊 经济性状 标记辅助选择 遗传效应
2008/1/8
摘要
本研究以辽宁绒山羊、柴达木绒山羊和柴达木山羊3个群体共147只山羊为研究对象，运用PAGE和RAPD技术对山羊的体重、绒产量和绒细度3个性状进行了与标记基因关系的遗传分析，结果表明：EsD2-2型、LAPBB型和PA-32-2型分别为体重、绒产量和绒细度性状的优势标记基因型；可利用标记辅助预测的方法充分利用多基因座标记基因间的互作效应；在体重上，寻找到有显著选择效应的RAPD条带11...