Uppsatser om cattle
207 uppsatser · sida 8 av 14
Examensarbete · SLU
… and man are well documentated in the literature, but there are few studies in cattle. The prevalence of osteochondrosis in dairy bulls in Sweden is unknown. The aim of this study was to investigate the presence and localisation of osteochondrosis in the hindlimbs of dairy bulls …
Examensarbete · SLU
… high levels of ammonia. A low level of ammonia is also good because if the cattle can use more of the protein in the silage, they don’t need so much protein concentrate. That is very good for the economy at the farm, and it is also good for the environmental problems caused by …
Examensarbete · SLU
To turn the dairy heifers out on pasture is the most natural way for the cattle to get feed. At the same time it is cheap and if it is right treated a feed of high nutritive value. The problem today is to get dairy heifers to grow enough when they are grazing at natural pasture …
ur ett nationellt och internationellt perspektiv
Examensarbete · SLU
… in the survey. It is similar to the interdigital hyperplasia described in cattle. The cause is likely insanitary underfoot conditions, which lead to a cronic form of dermatitis and subsequently to hyperplasia. During a herd visit in October 2004, foot rot was clinically …
Examensarbete · SLU
… between acute hoof lesions and the somatic milk cell count in dairy cattle. Cows from three loose-housed Swedish dairy herds were enrolled in the study if they had an acute hoof lesion treated by a veterinarian or professional hoof trimmer during the preceding year, according to …
fallstudie av en mjölkgård
Examensarbete · SLU
… are taken from the closure books of 2003. During 2005 they want to build a cattlebarn and the cost is 2 milion SEK. During 2005 they want to buy a choppertrailer and the cost is 0,55 milion SEK. Their payback-ability during the scenario is good and there is a positive trend of …
Examensarbete · SLU
… to dry the green crop in untouched swaths if it has to be given to milking cattle. The conclusions of our study is that spreading of ley crops leads to a faster increase of dry matter, increased capacity of the following machine and its easier to achieve a higher and more even …
Examensarbete · SLU
Milkability or ease of milking, has higher importance today for Swedish dairy cattle producers after the introduction of milking parlours and automatic milking systems. Milkability is the cow’s ability to quickly milk out and be completely milked. There are several measures of …
Examensarbete · SLU
… these proteins potential biomarkers of unspecific pathological processes. In cattle, haptoglobin and serum amyloid A are the two acute phase proteins that show the largest increase in serum concentration as a result of inflammatory processes. The haptoglobin concentration has …
Examensarbete · SLU
… Syncytial Virus (BRSV) is a common cause of respiratory disease among young cattle. The virus causes severe losses; the herd mortality rate can sometimes be as high as 20 %. In this study the avidity (i.e the antigen binding force) of BRSV specific antibodies was measured to see …
Examensarbete · SLU
… studies with human and animal interaction, including animals like dog and cattle are discussed. I have also discussed physiological parameters that might influence the bond and the interaction between human and horse and some critical aspects concerning the methodology when …
Examensarbete · SLU
… such as energy metabolism and protein synthezis. Magnesium deficiency in cattle may occur when they are let out for pasture in the spring, and is associated with tetany, known as grass staggers. A high yielding dairy cow often loses more magnesium daily in the milk than she has …
Examensarbete · SLU
… to optimize calf welfare and health it is important to know the behavior of cattle in free ranging conditions. When the cow is about to give birth to a calf she will leave the heard about 12 hours before. It is then rather obvious that isolating the cow about calving time in a …
en litteraturgenomgång
Examensarbete · SLU
… needs further investigation. Peat is suitable as litter for dairy cows, young cattle and pigs. There is evidence for less foot problem and less labour input in peat litter systems. Horses benefit from peat beds by less suffering from cough and foot problem. In Finland it is …
Examensarbete · SLU
… Possible differences between Swedish Holstein (SLB) and Swedish Red and White Cattle (SRB) were also investigated. The relationship between the measures mentioned and reproduction such as the number of days from calving to first luteal activity and to the first ovulatory oestrus …