Sökning: "Swedish Holstein"
Visar resultat 16 - 20 av 88 uppsatser innehållade orden Swedish Holstein.
16. Determinants for milk fever An epidemiological study of Swedish dairy cows
Uppsats för yrkesexamina på avancerad nivå, SLU/Dept. of Clinical SciencesSammanfattning : Milk fever is a worldwide disease, seen mainly in dairy cows. At the onset of lactation the cow is not prepared for the sudden calcium requirement, which causes a drop in the blood calcium and the cow develops hypocalcaemia. Calcium is needed for the correct function of both nerves and muscles in the body. LÄS MER
17. The digesta passage rate among dairy cows with different abilities to consume large quantities of roughage : its impact on the milk production, and the reliability of the chemical fibre marker
Master-uppsats, SLU/Dept. of Animal Nutrition and ManagementSammanfattning : The objectives of the present master thesis were to investigate the passage rate among lactating Holstein and Swedish red dairy cows to investigate the hypotheses of: 1) The cows’ individual total mean retention time (TMRT) has a negative relationship to the cows’ individual forage intake capacity. 2) A reduced TMRT contributes to a reduced feed efficiency, but a higher milk yield. LÄS MER
18. Variation in protein profile of bulk milk from Northern Sweden
Master-uppsats, SLU/Department of Molecular SciencesSammanfattning : The protein composition of milk samples from Norrland, Sweden was investigated by capil-lary electrophoresis, in order to evaluate the variation in protein profile from different breeds at different collection periods during the year. The protein profile is of importance for pro-cessability of the milk, and is known to be influenced partly by genetics. LÄS MER
19. Field study of the drought’s impact on feeding strategy and biological parameters in early lactation dairy cattle
Master-uppsats, SLU/Dept. of Animal Nutrition and ManagementSammanfattning : The summer of 2018 was unusually warm and dry. For animal production, this resulted in poor pastures, reduced harvests of crops, such as roughage and grains, and increased risk for heat stress in the animals. The drought led to problems as in shortage of animal feed, which made the feeding of dairy cattle difficult. LÄS MER
20. Cow traffic in an automatic milking rotary system : with or without parallel guiding of cows for milking
Master-uppsats, SLU/Dept. of Animal Nutrition and ManagementSammanfattning : Automatic milking systems and automatic milking rotary systems (AMR) where the cows are gathered and held in a waiting area prior to milking are dependent on cows to enter the milking unit voluntarily. A low rate of cows that voluntarily enter the milking unit affects both the economy, working safety and cow health negatively. LÄS MER
