Uppsatser om dairy cattle

77 uppsatser · sida 1 av 6

Hantering och lastning av nöt på gården

praktiska studier vid hämtning av slaktdjur - råd för att minska stress och skador på djur och människor

Examensarbete · SLU

… This thesis is a field study investigating the present situation of beef and dairy farms in Sweden. The predominant reasons stressing cattle when transported to abattoirs are when they are loaded and unloaded on the trucks. The aim of this thesis is to improve the handling and …

Annons

Kons fertilitet

kostnader och åtgärder

Examensarbete · SLU

To get a good economy on the dairy farms the fertility control of heifers and cows is a crucial factor. It is also important to know which key parameters that should be tracked. In this work well established routines for heat detection have to be applied. When the dairy farmers …

Kryptosporidieinfektion hos nötkreatur

utvärdering av en ny metod för påvisande av subklinisk infektion

Examensarbete · SLU

… method to investigate the occurrence of subclinical C. parvum infection in a dairy herd. Faecal samples were collected from 5 cows, 5 calves without diarrhoea and 5 calves with diarrhoea. To 1 gram of each sample 72 oocysts were added. This was repeated twice for the samples …

Nötköttsproduktion i Västerbotten

Magisteruppsats · SLU

Beef production in Sweden has traditionally been about rearing of dairy calves to slaughter. With reduced number of dairy cows and accordingly less dairy calves for slaughter, there has been a need for new forms of beef production in Sweden. In Västerbotten there are good …

The effects of two light programs on sleep in dairy cattle

Masteruppsats · SLU

… part of life. Even so a lot of the mechanics regarding sleep is unknown. The dairy cattle of today live a stressful life, as their high milk yields forces them to eat large amounts of feed and spend a great portion of the day ruminating. Do they have time to get enough sleep? …

What traits make Swedish dairy cows survive?

Masteruppsats · SLU

The ability of dairy cows to survive and the economic importance of this have been in-creasing in dairy cattle breeding lately. Increased longevity contribute to an increased pro-portion of cows that produce milk in more productive lactations and reduces the replace-ment costs …

Effects of shade on milk production in Swedish dairy cows on pasture

Examensarbete, avancerad nivå · SLU

Heat stress negatively influences the performance of dairy cattle such as lactation and reproduction. Heat stress can cause production losses as well as welfare problems. Years of research have shown that heat stress is a huge problem for dairy cattle in both the tropics and …

Vad är verklig kostnad per koplats? :

Examensarbete · SLU

Purpose There are almost infinite numbers of ways to build dairy farms in Sweden. When building a new free stall barn you have the possibility to affect both working environment and animal welfare for many years to come. The construction costs are influenced by which type of …

Neospora caninum hos köttdjur i Sverige :

Examensarbete · SLU

… antibodies against the parasite indicates infection. In the year 2000 Swedish dairy cows were tested for antibodies against N. caninum and this resulted in an estimated seroprevalence of 2% in dairy cows. No such screening has been performed in beef cattle in the country. The …

Personligheter hos mjölkkor

Kandidatuppsats · Linköpings universitet

… in animals are very important in animal welfare. In this study personality in dairy cattle in lose housing were studied. 28 cows of the breeds Swedish black and white cattle (SLB) and Swedish red and white cattle (SRB) was studied during three observation situations (milking …