Uppsatser om heifers

46 uppsatser · sida 3 av 4

Nystartande av nötköttsproduktion med och utan bidrag :

Examensarbete · SLU

… it them self’s. There is also a possibility to bread one calf from the cross heifers. The purpose of the investigation was to see if there is any economic possibility to breed beef cattle. I have used the same sample farm trough the hole study, because it would be easier to …

Mjölkproduktion

planering för om-, till- och nybyggnad

Examensarbete · SLU

… to finance. All livestock is in loose house system. The cows and the pregnant heifers are kept in cubicles and manure alleys whit scrapers. The younger cattle are kept in pens whit slatted floor and the calves are kept in large pen whit deep litter and automatic calf feeder. The …

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 …

Tillsyn av djur på bete

betydelsen av lockgiva och regelbundna tider

Examensarbete · SLU

… The reinforcement consisted of concentrate. Eight groups of cows, mostly heifers, were tested for five days for each treatment. All groups were tested with all treatments in a balanced order. The animals behaviour, if they came or not and the time it took until they were within …

Majsensilage i Sverige

Kandidatuppsats · SLU

… it can be given as an energy complement to cow and calf in beefproduction, to heifers and dairy cows. More studies are needed as an increased production ofmaize for silage in Sweden may be profitable economically as well as nutritionally.

Avel för hållbarhet och livslängd hos köttdjur

Kandidatuppsats · SLU

… number of female calves used for recruitment can be reduced and only the best heifers need to be selected for breeding. The benefits of longer life is that it lowers the costs of recruitment animals, it increases the number of young animals that become available for slaughter …

Minskande andelar kraftfoder i foderstaten under betesperioden

effekt på mjölkavkastning och betesbeteende hos mjölkkor

Masteruppsats · SLU

… a standardized decrease in milk yield of 0.6 and 0.4 kg ECM for older cows and heifers, respectively. During AP and FP the cows grazed together on 10 ha in a rotational grazing system with 6 paddocks. Sward height was measured before and after the cows grazed each paddock and …

Norrländsk känsla för Japan

Kandidatuppsats · SLU

… of Agriculture (SJV) in 1996, it appeared that there were around 780 cows and heifers of the SLB breed (SJV, 1997). SJV did in 2006 a plan for the development of livestock genet-ic resources and the number of cows of SLB was estimated at approximately 200. This meant that the …

Bevarande av svensk låglandsboskap

Masteruppsats · SLU

… of Agriculture (SJV) in 1996, it appeared that there were around 780 cows and heifers of the SLB breed (SJV, 1997). SJV did in 2006 a plan for the development of livestock genet-ic resources and the number of cows of SLB was estimated at approximately 200. This meant that the …

Magnesium chloride in dry cow silage to prevent hypocalcaemia

Masteruppsats · SLU

… feeding recommendations would affect plasma calcium level at calving. Twelve heifers and 24 cows (all pregnant) of the Swedish Red Breed were divided into six blocks based on age and calving date. Animals within block were randomly allocated to one of three experimental diets; a …

Maasai herding and milking strategies

a case study of goals and decision-making within the household

Masteruppsats · SLU

… revolve around the calves. Lastly, compared to literature the Maasai heifers in the study area have a higher age at first calving and the cows have longer calving intervals and lactation periods, than perceived to be beneficial for the maximum milk yield possible.

Orsaker till kalvningssvårigheter och dödfödslar hos SLB och SRB

Kandidatuppsats · SLU

… for calving ease. The frequency of calving difficulty has been high for heifers of the SLB-breed. However, this is now decreasing. This decrease can have been obtained by genetic improvement of maternal calving ease. In Sweden, as well as abroad the frequency of stillborn calves …