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9069 Uppsatser om Survival analysis - Sida 3 av 605
Estimation of heterosis and performance of crossbred Swedish dairy cows
The heterosis effect and breed group effect of crossbreds between Swedish Holstein (SH) and Swedish Red (SRB) was estimated in this study. Observations on cows born between 1990 and 2012 were used to estimate the heterosis effect and breed group effect for several traits included in the Nordic breeding goals: production, fertility, udder health, calving performance, survival and other diseases.
Breeding within the Holstein dairy breed has earlier been focused on increased milk production and conformation. This, combined with an intensive use of individual animals, has resulted in a radical increase of milk yield in the Holstein dairy cow population all over the world. However, this breeding strategy has resulted in increased inbreeding and several functional traits have impaired.
Mätegenskaper för fruktsamhet och modersegenskaper i fåraveln :
The aim of this literature review was to suggest suitable index traits to use in the Swedish Sheep Recording Scheme for fertility and maternal traits. Since fertility and some of the maternal traits are not normally distributed advanced methodology is needed to calculate genetic parameters. Breeding is a tool to improve the economy of the farm and for the selection of breeders estimated breeding values (EBV) for important traits are of high value. In sheep breeding both lambs born and lambs weaned should be taken into consideration as well as the ewe?s maternal ability, which includes lambing ease, lamb survival, ewe behaviour as mother and the early growth of the lambs.
Picea mariana ((P. Mill.) B.P.S), P. abies (L.), Pinus contorta (Dougl.) och P. sylvestris (L.) : en jämförelse av produktion och potentiell kvalitet hos försöksbestånd i Jämtlands län
Swedish forests are dominated by just two conifer species Norway spruce and Scotch pine. They are not able to achieve the highest possible production or fulfill industry demands for raw materials. The introduction of exotic conifers can potentially meet these shortcomings and present a relevant solution.
This study was conducted in a block experiment with ten blocks planted in 1987 by SCA in North Sweden. The objective of the block experiment was to study if Black spruce is an appropriate alternative to Lodgepole pine, Norway spruce and Scotch pine on different site classes.
Effekten av suggans näringsstatus på fostertillväxt och smågrisöverlevnad
The pig industry suffers economical loss due to stillbirths, piglet mortality and low birth weight. This is due to breeding programs that have resulted in larger litters. It has been suggested that these problems are due to the metabolic state of the sow during gestation and the fact that she might not be able to supply her foetuses with enough nutrients for survival and a high and even birth weight. A lot of research has been done to investigate whether body weight and back fat thickness of the sow has any impact on her reproductive traits and if there are any special feed components that improve reproduction. Fibers and unsaturated fatty acids have a positive impact on reproductive traits as long as the sow is fed a sufficient amount of energy and protein during gestation and lactation.
EU:s vapenembargo gentemot Kina - Orsaker till Frankrikes agerande för ett avvecklande av vapenembargot
France is committed to its ambition to lift the European Union's arms embargo imposed on China after the Tiananmen Square Massacre in 1989. France is of today the only member state that is acting to lift the arms embargo, evoking questions of motives behind its behavior. The underlying assumption in this essay is that France's actions reflect a need to find new ways of adapting itself and surviving faced with the threats of its decreased international influence. By using three different perspectives ? realism, liberalism and constructivism ? this essay examines three possible models of analysis to explain France's behavior.An analysis of the discourse covering this essay´s topic between 1989-2007 provided the basis of the paper.
Factors influencing bystanders to start cardiopulmonary resuscitation out-of-hospitalFaktorer som har betydelse för om bystanders påbörjar hjärtlungräddning utanför sjukhus ? en litteraturstudie
Objective: The out-of-hospital cardiac-arrest incidence in Sweden averages about 10 000 a year. Whether the victim will survive or not is dependent upon rapid actions according to the chain of survival ? early alarm, early CPR, early defibrillation and early medical treatment. While waiting for the ambulance the victim is completely dependent on immediate help from any bystander, because early CPR improves survival rates by two-three folds. Unfortunately not all bystanders start CPR because of different reasons.
E-faktura : Relationernas förändring mellan småföretag och storföretag vid införandet av EDI
This essay describes some factors that may effect small business survival in relation to becoming a supplier for bigger companies that may implement the use of EDI for electronic invoicing.The purpose of this study is to analyse and evaluate what impact may occur during the introduction of EDI between small and big business.Following on from the introduction of methods used in this study there will be a complete analysis made detailing results.From our research we have found that most small business have developed a professional working relationship between themselves and their clients.The adoption of EDI by big business has revolutionised the day to day dealings between both supplier and consumer in that EDI has empowered both chains to collaborate data in real time.In conclusion our research illustrates that in order for small business to survive the must implement EDI. The results of our study have shown that the introduction of EDI to both small and big business has had a positive outcome..
Factors influencing bystanders to start cardiopulmonary resuscitation out-of-hospital Faktorer som har betydelse för om bystanders påbörjar hjärtlungräddning utanför sjukhus ? en litteraturstudie
Objective: The out-of-hospital cardiac-arrest incidence in Sweden averages about 10 000 a year. Whether the victim will survive or not is dependent upon rapid actions according to the chain of survival ? early alarm, early CPR, early defibrillation and early medical treatment. While waiting for the ambulance the victim is completely dependent on immediate help from any bystander, because early CPR improves survival rates by two-three folds. Unfortunately not all bystanders start CPR because of different reasons.
Vems landskap ska förändras för att öka den biologiska mångfalden? : En studie av skillnaderna i odlingslandskapets konnektivitet med avseende på två skyddsvärda arter med olika preferenser
Organisms relevant for nature conservation dont follow administrative borders. Because of this there is a need for a landscape perspective within conservation and planning, and a need for the species of interest to have legal protection. Network analysis adapted for ecological purposes has grown to become a powerful tool for studying and communicating the relationships between species dispersion and access to habitat. In this study the following question is posed: How is the Osmoderma eremita and the Pernis apivorus dispersal possibilities in the small scale cultivated landscape of Borås affected by exploitation in respect to a) dispersal ability, b) habitat quality, c) position of habitat patches in a network? The analysis were based on municipal and regional nature conservation data, which in due to confidentiality is not accounted for in the report by maps, coordinates, etc.
Prediktion av elproduktion : Modellering av icke reglerbara vattenkraftverk
The main objective of this study is to divide a number of colorectal cancer cases into subgroups based on their molecular features using cluster analysis. The data used is supplied by a research group at Pathology, the Department of Medical Biosciences, Umeå University, and consists, after some preparation, of 455 observations which is a larger data set than many similar studies. The molecular variables that the clustering is based on are CIMP (CpG Island Methylator Phenotype), MSI (Micro Satellite Instability), BRAF- and KRAS-mutations. These are categorical variables and consequently the clustering method used is PAM (Partitioning Around Medoids) which is particularly useful with data on diverse variable level. The final analysis results in four subgroups that are represented by different combinations of attributes on the aforementioned variables.
Skräckens ansikte : en studie i skräckgenrens historia och inflytande för visualiseringen av spelkaraktärer
Hur utformas spelkaraktärer för att förmedla skräck till betraktaren? Spelkaraktärer inom survival-horrorgenren har flera konventioner baserade på skräckgenrens tidigare historia. Både kvinnliga och manliga karaktärer har tydligt fokus på sexualisering. Kropp och klädsel används för att markera avstånd från betraktarens kultur. Färger som betonar sexualitet, våld och ondska återkommer i karaktärernas utformning.
Kommunikationens roll för långsiktig överlevnad : En studie om små och medelstora företag i den svenska modebranschen
Background: The Swedish fashion industry grows steadily, today it?s populated by many small and medium sized companies. Due to the big clothing chains dominant position small businesses risks to be ousted out of the fashion industry.Smaller companies may find it difficult to reach out to the customer by traditional advertising because their budgets are often smaller. It is therefore important for smaller companies to create loyal customers. If the smaller sized businesses in the fashion industry do not follow the rapid developments in society and focus on building strong brands and relationships, they will have problems with surviving in the long run.Problem definition: Which communicative factors are important in the choice of brand strategy to create a long-term survival for small and medium-sized companies in the fashion industry?Purpose: The purpose of the essay is to analyse and evaluate the brand as a communications tool for building a brand image.Method: The data which is being used in the essay is collected from interviews with companies and survey of each company's existing and potential customers.Theoretical perspective: Relationship Marketing Perspective and Transaction Marketing PerspectiveTheories: Brand Strategies, Total Communication, Brand Equity, Involvement Theory, Service Value Profit Chain.Empiric: The empirical data is primary data gathered from interviews with a representative for each company and from the questionnaires distributed to the customers of each company.Analysis: The analysis is an interpretation of the empirical material collected from interviews with each company and customers survey.
Vitrification in sealed containers : Evaluation of a new technique (Rapid-i?) for cleavage stage embryos and blastocysts
Ovarian stimulation in assisted reproduction often leads to the production of a high number of oocytes. After fertilization of these oocytes, the resulting embryos can be cryopreserved for later use. Vitrification is a recently introduced method for cryostoring embryos, showing high survival rates for both cleavage stage embryos and blastocysts. Characteristic of vitrification are high concentrations of cryoprotectants and ultra fast freezing which makes the material glassily. A major concern with vitrification has been the direct contact of the cryo-solutions with liquid nitrogen.
Reaktionerna på Tage Erlanders metalltal : En analys av aktörers identitet och intressen
The Swedish Prime Minister, Tage Erlander, made a speech on the 22 of August 1961 in which he dismissed speculation that Sweden was seeking to abandon its neutral stance and non-alignment in foreign policy with a view to requesting membership of the European Economic Community. The reason was that the EEC was supposed to have a political part where a connection with NATO should have existed. This speech led to a domestic discussion which has been called the most intense debate of foreign affairs in recent history. The purpose of this paper is to analyse the reactions of the other parliamentary parties to Erlander?s speech.
Utveckling av gran, Douglasgran, bok och tall under skärm av hybridlärk :
?Development of Norway spruce, Douglas fir beech and Scots pine with a larch
shelter wood? is a report written by Per-Olof Magnusson. The thesis is a
compulsory part of forest engineer program at ?Skogsmästarskolan?, SLU,
Skinnskatteberg, Sweden.
The purpose of this report is to describe and evaluate an experiment with hybrid
larch (Larix x eurolepis) as shelter wood, and different tree species growth and
survival depending on the density of the shelter wood. The experiment is
conducted by southern Swedish forest research centre, faculty of forestry, SLU in
Alnarp.
The hybrid larch ought to be an interesting alternative to birch (Betula sp.) as
shelterwood on suitable sites in southern Sweden.