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Mastitis is the most common disease of dairy cows. Mastitis can be painful for the dairy cow and causes economical losses for the farmer. These losses are due to decreased milk production, more working hours for the farmer, treatment costs and possible costs due to culling of …
… fler försök om fjärdedelars påverkan på varandra. In Swedish dairy herds mastitis causes severe problems and the most frequent is subclinical mastitis. Despite the increase in SCC subclinical mastitis is often hard to detect because of the absence of visible symptoms of disease …
Mastitis, inflammation in the udder tissue, caused by S. aureus is a big problem in dairy cattle production. It causes suffering for the cow and curing or replacing the infected cow is costly for the farmer. It is known that beef cattle also suffer from mastitis caused by S …
… measure and improve udder health in dairy cattle. Most common today is to use mastitis registrations, somatic cell count and udder type traits. Other possible measurements of udder health are electric conductivity in the milk and milking speed. All data were collected from …
Peat litter is a soft material with high absorbency. About hundred years ago many farmers in Sweden used peat litter to their dairy cows. After the World War II the use of peat litter decreased and the farmers used more straw. Nowadays (year 2007), when it is harder to find …
… the possibility to use ultrasonography as a diagnostic tool for sub-clinical mastitis in dairy cows. Five cows with high cell counts, and four cows with low cell counts were selected as cases and controls, respectively, and their udders examined with ultrasound during a 5 week …
… was failure to become pregnant and in the outdoor groups the main reason was mastitis that accounted for approximately 20 % of the culling. No animal in the outdoor group was culled because of hoof diseases or leg disorders and comparatively few animals in the indoor group were …
en litteraturstudie
… on the market today. Most of the sensors used today are designed to detect mastitis, abnormal milk or oestrus. Since the major reasons for culling cows are udder health related problems or low fertility rate, the economic gain in research and development for sensors that can …
… per lactation. The main reasons for culling were clinical and subclinical mastitis and decreased fertility; together they accounted for 50 % of the culling. Culling caused by decreased fertility was higher in the shorter calving interval (23% vs 16 %; p < 0.08). The SLB cows in …
En operation framkallar en icke önskvärd fysiologisk reaktion hos patienten som benämns som kroppens stressvar. Stressvaret innebär att sympatiska nervsystemet aktiveras och att endokrina ändringar erhålls, bland annat minskning i sekretionen av TSH och insulin samt ökning i …
… and milk with unnormal properties, including milk from cows suffering from mastitis. This study investigated the possibility of improving the milk by pasteurization in order to secure its use as feed for calves and thereby obtain an improved calf health. The milk that are not …
möjliga riskfaktorer och djurägarattityder
… bakteriologisk odling och celltalet analyserades med hjälp av CMT (California Mastitis Test) och DCC (DeLaval Cell Counter). En enkät med frågor om miljö- och skötselfaktorer, samt attitydfrågor om mastit skickades ut till de 22 fårägarna som deltog i studien. Juverinfektion …
bakterieförekomst och celltal i mjölk
… Ytterligare ett syfte med studien var att utvärdera förmågan hos California Mastitis Test (CMT) och DeLaval Cell Counter (DCC) att identifiera juverinfektioner hos tackor med kliniskt friska juver. Mjölkprov togs från lakterande juverhalvor från 773 tackor i 23 kött- och …
… requirements, cleaner cows, cleaner udders and a minimization of the risks of mastitis. However, if the altered slopes lead to that the cows position themselves more diagonally in the cubicles the positive effects could be reduced. The altered slopes could even have a negative …
sett ur djurägarperspektiv
Very little is known about the health situation amongs Swedish dairy goats. The population of Swedish dairy goats can only be estimated, and that number is somewhere
