89 uppsatser · sida 3 av 6
en enkätstudie
… questions about the system before AMS, a description of the AMS in question, housing of heifers before calving, introduction of heifers into AMS, diseases and injuries in the herd and finally a comparison between the production and quality of the milk before and after …
grisars kognition och dess tillämpning vid slaktsvinshållning
… pigs are most likely to get bored and potentially stressed in the traditional housing systems. Systems that allow pigs to express their mental needs to a higher extent are likely to increase pig welfare to a more acceptable level. In those cases where new, more psychologically …
Utredning av åtgärder för ventilation, värme och kyla
… is on track to become even better within energy efficiency.Energy use for the housing- and service sector amounts to 166 TWh of total use at 616 TWh. Without distribution and conversion losses, these figures show that the housing- and service sector accounts for almost 40 % of …
… and getting up behaviour no obvious differences where found between the two housing systems. Heifers in cubicles grew on average 930 g per day which was significantly more (p
En analys av åtgärder som kan förbättra energiprestandan i flerbostadshus
Efficient energy use in the housing sector is crucial for achieving a sustainable society. The expansion of this sector only represents a fraction of the existing houses, hence it’s within the existing houses the potential for energy savings lie. This potential has been analyzed …
En undersökning av unga vuxnas och studenters framtida boendesituation
… is theliving conditions for young adults, due to the shortage of rental housing. At themoment there are several residential projects aiming to solve the current housingshortage, involving both rental housing and condominium. Regarding the ?students?living conditions, the problem …
… industrialized construction partly earned a bad reputation after the million housing program. As large-scale projects where promoted during this period, it worked very well to use the technique of construction elements. In the mid seventies though, criticism arose which claimed …
… ventilated cage system (IVC-system) is the most commonly used system when housing rodents. IVC systems are designed to control both supply and exhausted air at cage level, as well as temperature and relative humidity in the cages. This creates an optimal environment for the …
… working methods to verify stocking density among dairy cows in free ranging housing systems. Various methods were suggested after literature review of laws and regulations, central registries, journals, and internal management systems. With the help of these working methods …
… working methods to verify stocking density among dairy cows in free ranging housing systems. Various methods were suggested after literature review of laws and regulations, central registries, journals, and internal management systems. With the help of these working methods …
… turkeys. But there are, on the other hand, a few small-scale producers whose housing systems to some extent are similar to what is stipulated in the organic standards. The aims of this work are to investigate what housing systems are used by the Swedish small-scale producers of …
… between the piston and the hole of the accumulator in the cast aluminium housing. Attempts have been made to assemble the parts in existing robot cells. The precision was however not sufficient and the pistons have sometimes ripped of pieces of the housing containing the …
… a heifer with aparent with severe calving should not be recruited to the herd. Housing systems during winterfor the cows in Sweden range from tied system to loose housing systems and out door ranching.During calving it is important that the cow and calf go together for a while …
Today’s housing system for laying hens has limitations for the hens natural behavior. Despite the current law of prevention of cruelty to animals, this might implicate health problems for the hens. This degree project is aiming to improve the situation for laying hens in …
… in a factory on Gotland. We wanted to combine the energy efficiency of passive housing with the efficiency of prefabricated sandwich-walls. Aims: To present a suggestion of a sandwich-construction made with concrete and cellular plastic with a U-value below 0.10 W/m2,°C, that …
