Uppsatser om bulls

35 uppsatser · sida 1 av 3

Social behaviour and time budget of breeding bulls

Kandidatuppsats · SLU

… this study was to investigate the social behaviour and time budget of breedingbulls kept at VikingGenetics, Falkenberg in Sweden when the staff was off duty. It was ofinterest to see if there was any difference between bulls housed in group pens and bullshoused in individual …

Osteokondros hos tjur :

Examensarbete · SLU

Several bulls in Sweden are culled because of lameness. Studies of beef bulls have shown that osteochondrosis is an important underlying cause of hind limb problems (Persson, 2003; Dutra, 1998). Osteochondrosis in horses, dogs, swine, poultry and man are well documentated in the …

Integrerat växtskydd i svensk jordgubbsodling

attityder bland odlarna till genomförande av det nya direktivet

Examensarbete, grundnivå · SLU

… conducted at VikingGenetics' bull breeding station in Falkenberg, Sweden. The bulls waiting for the results of their progeny testing at this station are either kept in group housing or individual housing. Since both of these housing systems have advantages and disadvantages, it …

Klövform och klövsjukdomar hos intensivt uppfödda köttrastjurar :

Examensarbete · SLU

The top selection of Swedish beef bulls are evaluated yearly by Svensk Köttrasprövning AB at Gismestad. The bulls are selected from six different breeds; Angus, Blonde d´Aquitaine, Charolais, Hereford, Limousin and Simmental, and are kept on straw bedding apart from a concrete …

Feromoninnehållande substansers inverkan på hjärtfrekvensen hos tjur :

Examensarbete · SLU

… The aim of this study was to investigate whether a change in the heart rate of bulls is possible to use as an indicator, a so-called bioassay, for fast identification of pheromones in body fluids. Two bulls were exposed to the following substances; oestrus mucus and -urine …

Läggning och resning hos ungtjurar i liggbås

inverkan av båsfrontsutförande

Kandidatuppsats · SLU

… this study was to investigate the lying down and getting up behaviour of beef bulls at a Swedish farm operation. The hypothesis was that bulls older than 10 months (over approximately 400 kg) were disturbed by a horizontal front rail and that the time to lie down and get up …

Välfärd hos växande nötkreatur ” finns den”

Kandidatuppsats · SLU

… assessment. Through an ad libitum-observation all behaviours in one group of bulls standing on slatted floors, and one group of bulls kept on deep straw bedding, where noted for two hours, followed by an explanation of all behaviors. The behaviors that differed between the two …

Genetisk variation av betydelse för mjölkkvalitet i Rödkullerasen :

Examensarbete · SLU

… and two other milk quality genes, DGAT1 and FMO3 were studied in 65 breeding bulls of the Swedish Red Polled breed. The bulls were genotyped using single-nucleotide polymorphism (SNP) analysis and pyrosequencing. The results showed that ?-casein A2, ?-casein A, ?-lactoglobulin …

Inhysningssystem för tjurar

fallstudie

Examensarbete · SLU

… study I have put together facts about different housing system for fattening bulls in order to get a clearer picture of witch system is the most suitable for my own farm depending on the conditions I have. The background of this work is my own interest for breeding bulls and I …

Vad gör ett varumärke som Red Bull unikt för konsumenten?

Kandidatuppsats · Uppsala universitet

Denna uppsats ämnar utreda vad det är som gör att Red Bulls konsumenter uppfattar Red Bull som unikt i jämförelse med andra energidrycker. Red Bull är idag marknadsledande i Sverige inom energidryckesmarknaden. De har en marknadsandel på 31 procent samtidigt som de har ett …

Optimalt mottagningsstall för kalvar

en fältstudie

Examensarbete · SLU

… Health Service. 36 beef producers were visited. 16 herds were producing young bulls, 11 herds were producing barley beef calves, one herd was producing bullocks, three herds were producing both young bulls and barley beef calves, four herds were producing both bullocks and young …

Inhysningssystem för växande ungtjurar

Kandidatuppsats · SLU

… purpose of this study was, if possible, to find a housing system for growing bulls that was as optimal as possible for the animal welfare. In order to select housing systems you must take into account the size of the group, body weight and the type of floor. Seven of the …