12 uppsatser
The Swedish Red Polled breed is threatened by extinction and there are only around 1100 animals left. The breed was popular in the early twentieth century, but since then the numbers have steadily decreased. The overall objective of this study was to find out whether there may …
Integration policies have failed to make diversity into anything more than occupying the same physical space. People of different cultural background still do not share their lives to any real extent. Attempts made within planning and landscape architecture to catalyst the …
Today the milk production per cow is increasing but the milk delivered by the Swedish farmer contains less amounts of fat and protein than earlier. The contents have decreased since 1993. In average the milk contain 4,2 percent fat and 3,4 percent protein. Earlier the fat …
The milk production has developed rapidly the last years. The milk production per cow is increasing and the production units are larger with an increasing number of animals and a decreasing number of workers. Many milk producers invest in automatic milking systems (AM) to meet …
en prooxidant med negativa effekter på mjölkkvaliteten
The taste of the dairy product is probably the main factor determining consumer’s dairy products choice. Consequently it is of great importance that the product tastes good and as expected every time. Off-flavors in milk can be caused by for example oxidation of the milk fat …
In Sweden regulations stipulates that dairy cows are kept on pasture, or given the opportunity to spend time outside during a coherent period of between two to four months, depending on region. The transition out to pasture is a big change from the winter period in the stable …
… på grund av avsaknaden av synliga sjukdomssymtom, men där SCC är förhöjt och mjölkkvaliteten försämrad precis som vid klinisk mastit. Detta leder till att mjölk med förändrad sammansättning och kvalitet levereras till mejerierna som därmed har sämre förutsättningar att …
Mastitis, an inflammation of the udder mainly caused by a bacterial infection, induces an increase in the somatic cell count (SCC) in milk and is consequently one of several factors affecting SCC in milk. In this literature review it is investigated whether SCC; on udder …
… mjölkproducenterna stora ekonomiska förluster genom nedsatt produktion och mjölkkvalitet och representerar en avsevärd antibiotikaanvändning. Klinisk mastit (KM) ger synliga symtom som t.ex. juversvullnad. Den vanligaste formen är dock subklinisk (tyst förlöpande) mastit (SKM) …
… och ökad energiomsättning hos kon på grund av att hon rör sig mer på bete. Mjölkkvaliteten påverkas dock positivt. Överlag ökar mjölkens fett-, protein- och kaseinhalt. Även koncentrationen av CLA (conjugated linoleic acid), en potent anticarcinogen i mjölkfettet, ökar vid …
In some herds it has been observed that extremely short teats have become a problem; with a negative influence on the milking performance. The aim of this study was therefore to investigate to what degree the quality of the teats and the milk in cows with short teats is affected …
In modern dairy production the milking frequency is increased in some herds due to introducing of automatic milking systems or the farmers decision to milk high producing dairy cows more than two times a day. With more frequent milkings the milk yield increases while the content …
