Uppsatser om had

5 592 uppsatser · sida 3 av 60

Förekomst & kostnad av kapsprickor i stormaskadad skog

Kandidatuppsats · SLU

… percent of the cheched logs were sprucelogs. 85,3 percent of the logmaterial had an diameter between 16 cm and 24 in rootdiameter and 74,4 percent had lengths between 37 dm and 49 dm. In average of the 19 controlled harvesters there were 28 percent cutting cracks and it was a …

Privata markägares syn på vindskadeförebyggande åtgärder :

Examensarbete · SLU

… toward preventive wind damage actions was changing immediately after they had been struck by a storm. The result of the study was built on interviews. In springtime 2005 a total number of 20 private land owners were interviewed. Ten of the landowners lived in the province of …

Analys av juverhälsodata från kärnbesättningen Viken :

Examensarbete · SLU

… and the other half were Swedish Holstein. All cows were born after 2002 and had registrations for somatic cell count in their first lactation. Only 261 cows had a first lactation longer than 90 days. For these cows breeding values were estimated with the lactation average model …

Urinsorterande toaletter

rensning av stopp samt uppsamling och attityder

Masteruppsats · SLU

… shown that within two years from the installation of the toilets precipitation had accumulated that could block the flow completely. The last study in shis is on methods to clear the blockages. The collected urine solution from Nytorgsgatan contained 2.8 g of nitrogen, 0.22 g of …

The behaviour of foals before and after weaning in group

Masteruppsats · SLU

… groups at pasture (12, 11 and 11 foals, respectively, mixed sexes). They had free access to silage and the foals were fed concentrate in a creep-feeding area. By the time the foals were 5 months old, the mares were stepwise removed from the pasture. Every or every second day …

Är reducerad jordbearbetning ett alternativ? :

Examensarbete · SLU

… in occurrence of weed. Our results show: ” The lowest soil preparation had Direct Drilling, 285 SEK/ha + the cost of sow drilling added. ” The highest soil preparation had Överum conventional, 1310 SEK/ha + the cost of sow drilling added. ” The lowest plant population had Överum …

Inverkan av torrsubstanshalt och temperatur på kompostens syrabildning :

Examensarbete · SLU

… of these theses was to study what effects temperature and dry matter content had on the production of organics acids, and what effect the organic acids had on the mineralisation of the substrate as well as the stability during storage of the product. Laboratory experiments were …

Studier av mjölkbarhet automatiskt mätt i mjölkningsanläggningar :

Examensarbete · SLU

… were the milkingtime and maximum flow rate. The results show that both traits had rather low heritability (0.05) and high repeatability (0.9). Therefore it should be enough with one or two measurements to get reliable results. SLB had higher milk yield, higher maximum flow rate …

Sticklingsförökning av frilandsrosor

praktisk studie av sticklingstidpunktens och sticklingspositionens inverkan på rotningen av ledsticklingar

Examensarbete · SLU

… The cuttings were examined after five weeks. Notes were made of which cuttings had roots, which had grown callus, which had developed shoot growth and which had died. Roots were counted and measured. The cuttings taken in batch 1 were examined in the same way after 13 weeks …

Kokvigeproduktion baserad på köttraser

en fältstudie

Examensarbete · SLU

… between heifers and once-bred heifers showed that once-breed heifers had less of inner and external bodyfat in the abdomen compared with heifers, but more contents of fat on the breech. Despite the higher slaughter weight on the once-bred heifers, they do not have much body fat …

Drank som proteinkälla till regnbågslax (Onchorhynchus mykiss) :

Examensarbete · SLU

… g/kg DM), but lower for fishes fed the high diet (P < 0,05). The control group had significantly lower final weight than fishes fed the test diets (P < 0,01), and the medium group had a significant higher final weight than the low group. The daily weight gain and feed conversion …