102 uppsatser · sida 5 av 7
en litteraturstudie
… herds to pinpoint the cows that may be in oestrus. The number of farms with dairy cows that install AMS, Automatic Milking Systems, are increasing, and that also increases the need for sensors to control milk quality and composition when there is no visual control of the milk by …
en enkätstudie
Milk ejection in dairy cows can be inhibited if oxytocin is not released from the pituitary gland. The problem with inhibition of the milk let down is not new, but has recently regained interest. It is observed during different types of emotional stress, for example when cows …
… as descending from earlier Swedish Friesian. Based on data from the Swedish Dairy Association and the Central data-base of animals (cattle), CDB, the result was that there are 296 such cows, spread over 114 herds. Most herds are in Skåne, Västra Götaland and Jönköping County.The …
… as descending from earlier Swedish Friesian. Based on data from the Swedish Dairy Association and the Central data-base of animals (cattle), CDB, the result was that there are 296 such cows, spread over 114 herds. Most herds are in Skåne, Västra Götaland and Jönköping County.The …
… Roqueforti in the silages. The consistency of manure was looser in the dairy farms and firmer in the cattle farms and it was not possible to connect it with the maize silage, although the farmers seemed to think that the manure became firmer when maize silage was fed …
About 80 % of all Swedish dairy cows are kept in tie-stalls, but loose housing is increasing, probably because it is more profitable for the farmer. The design of the floors is of cruicial importance to the cows well-being. Traditionally, the most common type of floor in the …
vad är viktigt för att lyckas enligt rådgivare och lantbrukare?
Total mixed rations (TMR) and TMR complemented with individual grain feeding to dairy cows are a growing practice in Sweden. This is because the heard sizes of the farms are increasing. Some farmers and farm advisors in Sweden have great knowledge and practical experience of …
Many dairy farms doesn’t keep their bull calves and cross cow calves, they sell them to breeders instead of raising them their self. It should be possible for the dairy farmers to do it them self’s. There is also a possibility to bread one calf from the cross heifers. The …
… association 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 …
Difficult calvings and stillbirths are problems in Swedish dairy production that result in large expenses for the farmers and welfare issues concerning the animals. A common opinion is that the live weight of SRB and SLB is increasing, and whether increased weights have caused …
… in the study which included both Swedish Holstein and Swedish red and white dairy cattle. The results showed that the heritability of the heat intensity is low in dairy cattle; the heritability was around one percent both in the heifer period and in lactation one to three in …
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 …
ett alternativ till att använda egna maskiner vid vallskörd?
The economic conditions for Swedish dairy farmers are constantly changing. The numbers of producers are declining and the economic conditions for dairy production are weakening debilitating. To improve the economic situation for a farm a hired contractor is a possible solution …
en studie av mastitbehandlingar utförda i mjölkkobesättningen på Jälla naturbruksgymnasium 1997-2008
Mastitis is an important disease in dairy cattle. It is very costly for the farmers and affects a large number of animals. Few studies have been made investigating the outcome of treatment for acute clinical mastitis under Swedish conditions, and it can be problematic to use the …
Dairy farmers using artificial insemination (AI) are dependent on effective oestrus detection. In Sweden, AI is used for a majority of all dairy cows and oestrus synchronisation with hormones is not allowed. There are reports of declining ability to express oestrus with higher …
