Essays about: "besättning"
Showing result 31 - 35 of 117 essays containing the word besättning.
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31. Preference for breeding goal traits among Swedish and Norwegian dairy farmers : associations between preference and herd characteristics
University essay from SLU/Dept. of Animal Breeding and GeneticsAbstract : The aim of this study was to investigate similarities and differences among Norwegian and Swedish dairy farmers’ preference for breeding goal traits, and compare systematic effects within each country. The specific objectives were to analyse variation in ranking among farmers, and derivate relevant clusters using cluster analysis. READ MORE
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32. Case study: phenotypic and economic effect of crossbreeding in a Swedish red and white dairy cattle herd
University essay from SLU/Dept. of Agricultural Research for Northern SwedenAbstract : Profitable dairy production is always strived for. In recent years, dairy production in developed countries struggle with genetic problems like increasing inbreeding, reduced fertility and at the same time increasing market demands for competitiveness. READ MORE
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33. Potentiella källor till dioxiner och dioxinliknande PCB i ekologiska ägg
University essay from SLU/Dept. of Animal Nutrition and ManagementAbstract : Livsmedelsverket utförde en studie 2003 med syfte att undersöka halter av dioxiner och dioxinliknande Polyklorerade Bifenyler (PCB) i ekologiska och konventionella ägg. Förhöjda halter av dioxiner och dioxinliknande PCB (dl-PCB) påträffades i ekologiska ägg och gemensamt för de ägg med förhöjda halter var att värphönsen utfodrats med en fodertyp som innehöll fiskmjöl. READ MORE
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34. Prevalence and risk factors for BVDV in goats and cattle in and around Gaborone, Botswana
University essay from SLU/Dept. of Biomedical Sciences and Veterinary Public HealthAbstract : SUMMARY Bovine Viral Diarrhoea Virus (BVDV) is a cause of severe deterioration in animal health as well as grave economic losses globally. Infection is often inapparent but the virus can also cause respiratory signs, diarrhoea, pyrexia, decreased production, immunosuppression and reproductive problems such as increased calving intervals and abortions. READ MORE
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35. Brachyspira hyodysenteriae : förekomst och epidemiologi i svenska grisbesättningar
University essay from SLU/Dept. of Clinical SciencesAbstract : Swine dysentery is caused by the spirochaete Brachyspira (B.) hyodysenteriae that is a severe and expensive disease, primarily affecting slaughter pigs. When a herd gets infected for the first time, the mortality rate can reach high levels. In herds where the disease has become chronic, a reduced weight gain might be the most prominent sign. READ MORE