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ABSTRACT For hundreds of years there has been a tradition with tethered dairy cows in Sweden. The last decades the old fashioned way to hold cows have been questioned and the number of dairy cows in loose housing has been increasing. Last year (2004) 19 percent in total of all …
In the dairy production it is necessary to be able to sort cows. Dairy cows are sorted for many different reasons i.e. regrouping into production strings or for treatments i.e. inseminations, pregnancy and health checks, vaccinations or hoof trimmings. One labour saving way of …
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 …
skillnader i beteende och hormonstatus för oxytosin och kortisol mellan kor av hög och låg social rang
… and physiological parameters differ between high ranked and low ranked cows, and between cows in an automatic milking system verses conventional milking parlour. The study was carried out at the Kungsängen research Centre, Department of animal nutrition an management, Swedish …
… length has in studies abroad showed some positive effects among high yielding dairy cows. Among other things it has been suggested that the periparturient metabolic stress becomes lower, that the fertility is improved and dry off becomes gentler for the udder, due to a lower …
The purpose with the study was to find a pattern in the behaviour of dairy cows which could be related to their social rank. A behavioural study was conducted at the University Cattle Research Centre (Kungsängen) in Uppsala, Sweden. The study included 12 lactating dairy cows, 6 …
Heat stress negatively influences the performance of dairy cattle such as lactation and reproduction. Heat stress can cause production losses as well as welfare problems. Years of research have shown that heat stress is a huge problem for dairy cattle in both the tropics and …
… has been done as a documentary research and we have also visited three large dairy farms to get a practical view on grouping. The knowledge has then been used when we have drawn up designs for Fröstorp Mjölk AB, where a building for dry cows and heifers is planned at Djupatorp …
… has been done as a documentary research and we have also visited three large dairy farms to get a practical view on grouping. The knowledge has then been used when we have drawn up designs for Fröstorp Mjölk AB, where a building for dry cows and heifers is planned at Djupatorp …
The animal welfare act in Sweden states that dairy cows need to have at least a dim light present at night, but there are no recommendations for what intensity the light should have. It is unknown how cows perceive and react to low light intensities and earlier studies on this …
… pasture during the summer. In more tropical countries, it is well-known that dairy cows might suffer from heat stress when exposed to sun and high temperatures. The well-being of the cows is thereby reduced and the production may also decrease. In Sweden, no research has been …
Today dairy farmers in Sweden are obligated to have lights turned on during night time in addition to the mandatory daylight inlet. This presents a cost for the production but many argue that it can be economically beneficial, especially in loose housing of dairy cows. In loose …
en jämförelse mellan Sverige och Danmark
Dairy farms have during a long time been under pressure and this situation was aggravated during the spring and summer of 2009, when profitability declined to historically low levels. Lower milk price and relatively high input prices have caused Swedish dairy farms great …
… av riktigt varma eller regniga dagar. SUMMARY Earlier studies of grazing dairy cattle have not taken the climate under consideration. A high lactating dairy cow produces a great amount of heat which she has to dissipate in order to maintain her deep body temperature. The ways of …
en riskfaktor för mastit?
… study in USA it was found, however, that more than 80 % of healthy, lactating dairy cows excreted K. pneumoniae in faeces. Such a high degree of excretion of klebsiella bacteria was considered to possibly be a new risk factor for mastitis. The overall aim of this work was to …
