Tail-biting in pigs is an animal welfare issue and in Sweden during 2002 the producers lost tree million Swedish crowns because of tail biting. This economic loss depends on the pigs which are discarded at slaughter because of tail biting. Tail biting can be separated into two stages, "pre-injury" and "injury". The aim of this study is to investigate if tail biting depends on environment or genetic background.A lot of research on the environments effects on the behaviour of pigs but not so much on the genetic effects has been performed. The frequency of tail biting in pig farms influence among others of environment enrichment, ventilation, gender and breed of the pig.

This master thesis studies distributed navigation which isa function implemented in a future network based combat information system to improve the accuracy in navigation for combat vehicles in a mechanized battalion, above all in the event of loss of GPS. In the event of loss of the GPS the vehicles obtain dead reckoning performance through the backup system that consists of an odometer and a magnetic compass. Dead reckoning means a drift in the position that makes the accuracy in the navigation worse. The distributed navigation function uses position and navigation data with measurements between the vehicles to estimate the errors and uncertainties in positions, which are used to improve the accuracy in position for the vehicles. To investigate and demonstrate distributed navigation, a simulation environment has been produced in Matlab.

Syfte Syftet med vår uppsats är att skapa förståelse för hur ett företag kan arbeta med ett strategisk Human Resource Management (SHRM), samt hur SHRM kan fungera som ett ledningsverktyg för att frambringa överensstämmelse inom skilda kulturella grunder.Metod Vår uppsats är baserad på en kvalitativ metod där vi valt att angripa vårt problemområde via en abduktiv ansats för att kunna växla mellan empiri och teori. För att studera vårt problemområde har vi genomfört en fallstudie av ett medelstort företag inom försäkringsbranschen.Empiri Vi har valt att utgå från ett ledarperspektiv och kompletterat studien med medarbetarnas röst. Våra empiriska data har vi erhållit genom kvalitativa intervjuer med utvalda respondenter.Teori Vi har valt att beröra området för organisationskultur såväl som Strategisk Human Resource Management (SHRM). I vår studie har vi belyst hur organisationers ledare kan tillämpa SHRM för att skapa en harmoniserad organisationskultur. Vi har lagt vikt vid teorier som Bang (1999), Korczynski (2002), Millmoreet al.

The aim of this study was to investigate whether a dietary change, physical activity or a combination of both gave the best result when treating obesity, concerning weight loss and BMI. Excessive weight and obesity are today a big health-issue and it is estimated that 10 % of the men and 12 % of the women in Sweden have a BMI over 30, i.e. are suffering from obesity. The corresponding number for children is 3 %. No one can say for sure what causes obesity but there are many theories.

Adaptive Resource Allocating Vector Quantizer (ARAVQ) är en teknik för datareducering för mobila robotar. Tekniken har visats framgångsrik i enkla miljöer och det har spekulerats i att den kan fungera som ett generellt datautvinningsverktyg för tidsserier. I rapporten presenteras experiment där ARAVQ används som datareducerare på en artificiell respektive en fysiologisk datamängd inom en datautvinningskontext. Dessa datamängder skiljer sig från tidigare robotikmiljöer i och med att de beskriver objekt med diffusa eller överlappande gränser i indatarymden. Varje datamängd klassificeras efter datareduceringen med hjälp av artificiella neuronnät.

Our greatest interest within crop farming is to grow sugarbeets, that?s why we want to write about something new in this sector. We heard that a new concept had come to Sweden so we wanted to find out everything about this machine. This new technique was a self-propelled cleaning loader for sugarbeets. This machine is supposed to replace a loader and a cleaning machine when the sugarbeets is going to be loaded, cleaned and delivered to the sugerbeet factory. The cleaning loader picks up the sugarbeets with rollers from the pile, which is placed close to the road.

Informationsteknik (IT) är en marknad som förändras snabbt. Att investera i IT kan därför vara kritiskt. Att ha en strategi för hur satsningar på IT ska göras kan minska risken för felinvesteringar på IT men strategin kan även ge andra fördelar. Att ha en IT-strategi innebär dock inte automatiskt att den ger fördelar. IT-strategin bör även användas.

Intangible feelings of sorrow and grief, caused by events like separation, death, loss and trauma, all leave some kind of traces in us and they play an important role in our development. The individualistic society here in Sweden has shaped us to keep our feelings inside and at bay; since our childhood we have learnt that showing emotions like tears, sorrow and sadness are signs of weakness and can make others and yourself feel uncomfortable. With the starting point from my own experience and understanding of how we can deal and handle grief, I take a closer look on how jewelry, objects and rituals can be of importance in a grieving process and our lack of visual outer display of grief in today?s society. Through Sara Ahmeds theory I found a new possible way of understanding emotions and how they shape us.

The Swedish group contribution rules do not include a right to deduction for cross-border group contributions unless the receiving company is taxable in Sweden. There has been much discussion regarding whether the rules are compatible with EC law. On 11 March 2009 the Swedish Supreme Administrative Court ruled ten cases concerning the right to deduction for cross-border group contributions. In three of these judgments deduction for a group contribution from a Swedish parent company to a foreign subsidiary within the EEA was allowed, despite that the subsidiary was not taxable in Sweden. The main purpose of this master thesis is to analyse whether the interpretation of the Supreme Administrative Court concerning the right to deduction for cross-border group contributions is compatible with EC law.

Rekryteringsprocessens utformning och utövande är helt avgörande för att verksamheten ska kunna fortsätta att utvecklas samt nå uppsatta mål och visioner. Hur arbetsgivare rekryterar på ett professionellt och tillförlitligt sätt kräver kompetens. Organisationer idag har i regel en egen personalavdelning som inriktar sig på att rekrytera nya medarbetare. Många organisationer som anställer personer i betydande positioner använder sig av externa rekryteringsföretag. Rekrytering är en omfattande och kostnadskrävande process, men att göra rekryteringsprocessen rätt från början kan bli förhållandevis billigare än en felrekrytering.

The aim of this thesis was to study librarians approach upon reference questions and available resources and also to find out if there is any connection between the nature of the reference question and the choice of resource. The purpose was also to give a deeper understanding of the reference work. Nine librarians were given ten reference questions and their reference work was tape recorded. The study was completed with seven interviews sent by email. Some of the reflections were translated under the headlines of form, subject, time, language and availability.

The aim of this thesis is to study the conditions three public libraries have to be a resource for university students. The libraries are all situated at a distance from universities that allow the students to commute between the university and their homes. These students often make the same demands on the public library as they do on the university library. In order to conduct this study the frame factor theory has been used. This theory was developed by pedagogic scholars during the 1960s and focuses on how the framework surrounding the school affects the learning results.

The purpose of this master?s thesis is to examine virtual reading groups, and which meaning the users perceive that the virtual reading groups offer. In addition, the study inquires which details can be improved to further amend the needs and wants among the users of virtual reading groups. Through these outlines, it is discussed how libraries and librarians can make use of virtual reading groups as a resource. The study is based upon qualitative interviews, consisting of asynchronous e-mail interviews with a total of sixteen members in two different virtual reading groups.

In today?s fast growing and closely connected society, a reliable and energy efficient transportation system is more than ever desirable. Nowadays the significant part of the transportation sector?s energy demand is supplied by fossil fuels.Improving energy efficiency in combustion engines will result in reduction of fuel consumption and CO2 emissions. A modern internal combustion engine has an efficiency of 30-45 %, where the most energy loss occurs as result of heat losses in the exhaust and cooling systems.

When drivers overnight in the truck lots of electric energy is consumed by heaters, fans, lights and other extra equipment. If the engine is not running, this energy is taken from the lead/acid batteries of the truck which then needs to be recharged during operating hours. The fact that the charge acceptance of the lead/acid batteries is dependent on the temperature makes it hard to fully recharge the batteries at lower temperatures. A negative charge balance can lead to starting problems within a few days use in cold climate.In this thesis work, the effects of different battery charging concept are evaluated on the most common Scania battery (175Ah). A battery model is implemented in Matlab and some simulations of charging are made.