Uppsatser om milk-yield

69 uppsatser · sida 5 av 5

Täckning av plansilo :

Examensarbete · SLU

… to the cattle. Both the nutritional and hygienic quality is crucial to a high milk yield and a good health in your stock. If the silage process is unsuccessful you may have to use this feed during the whole season, just because you don’t have anything else to use for silage …

Effekt på mjölkavkastning hos mjölkkor vid ökad andel bete i foderstaten

Kandidatuppsats · SLU

… themselves by grazing. This saves both money and time. According to research milk yield decrease with an increasing proportion of pasture in the diet. This is because cows on pasture will have lower dry matter intake than cows with supplements. On a pasture-only diet, high …

Importance of epigenetics in animal breeding

genomic imprinting

Kandidatuppsats · SLU

… of imprinted genes have been found in livestock that affect traits such as milk yield, growth and carcass traits, fat and meat deposition and fetal development. The implementation of breeding programs taking imprinting into account, will require changes in the current standard …

The effects of two light programs on sleep in dairy cattle

Masteruppsats · SLU

… 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? Which factors affecting the need of sleep in dairy cattle are …

Effect of insulin during oocyte maturation in vitro on bovine early embryo development

partially evaluated by novel fluorescent staining

Masteruppsats · SLU

… in the dairy production but has during the last decades declined. Increased milk yield has resulted in high pressure on the metabolism of the dairy cows that are supposed to manage the transition from dry cows to lactating cows within a few weeks around the parturition. Much …

Förekomsten av den genetiska varianten laktapersistens hos neolitiska grupper från Öland

The contribution of the genetic variant Lactase persistence among Neolithic people from the Baltic island Öland in Sweden

Kandidatuppsats · Stockholms universitet

… in order to find the mutation that allows adult individuals to digest milk sugar. The twelve individuals were chosen from two different Neolithic sites, where the archaeological and isotopic data suggest that the individuals from Köpingsvik were hunters and gatherers and the …

Arvets betydelse för mjölkkors beteende :

Examensarbete · SLU

… has a moderate to high heritability and is also highly genetic correlated to milkability, milk yield, growth and carcass traits. The feeding behaviour does not differ much between different individuals or breeds. The rank order is positively correlated to body size within breed …