267 uppsatser · sida 6 av 18
kostnader och åtgärder
To get a good economy on the dairy farms the fertility control of heifers and cows is a crucial factor. It is also important to know which key parameters that should be tracked. In this work well established routines for heat detection have to be applied. When the dairy farmers …
… 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 period. The image …
In Sweden regulations stipulates that dairy cows are kept on pasture, or given the opportunity to spend time outside during a coherent period of between two to four months, depending on region. The transition out to pasture is a big change from the winter period in the stable …
It’s been noted that cows held at the section of ruminant medicine and epidemiology, Swedish University of Agricultural Sciences (IME), used for the education of veterinary students, have a lower heart rate than what is considered normal for ruminants. In this investigation the …
utfodringsstrategier och konserveringsmetoder
… to investigate the possibilities for improvement of forage protein in dairy cows with focus on feeding strategies and conservation of forage protein. The utilization of forage protein in dairy cows is often not that efficient as it could be. The feed crude protein consists of …
The purpose of this literature review was from dairy cows? behaviour and welfare point ofview describe how feed bunk and cubicles in a loose house system should be designed. Todaydairy cows in Sweden and in the world have high demands because of a high milk production,stress and …
… a future dairy barn at theGästgivaregården and to show the space needed for cows and replacement heifers. Itwould also show the storage that will be needed. The design was largely based on resultsfrom studies on six different farms, but also the facts that are taken from …
en litteraturstudie
… bigger. The costs for hiring workers are increasing, which results in more cows per animal keeper. Sensors can then be a great tool for keeping track of animals which need special attention. With a reported decreasing fertility, sensors that can detect oestrus even at low levels …
… the price for milk to the producer. Mastitis is a common disease among dairy cows, negatively affecting not only milk yield but also milk protein composition. Milk from mastitic cows tends to have lower cheese yield, negatively affected processability properties and sensory …
effekt på mjölkkornas foderintag och avkastning
… som erbjuds.AbstractThis essay contains a literature review about dairy cows on restricted pasture. How the allowance of pasture affects milk production, herbage intake and animal welfare is mentioned and discussed. The law in Sweden says that cattle must spend time on pasture …
The aim of this project was to quantify the total sleep time in modern dairy cows during24-hour periods and to investigate whether the total amount of sleep as well as timespent in different sleep stages varies between the dry period, early- and peak lactation.The distribution …
… the hypothalamo-pituitary-gonadal axis by endogenous and/or exogenous factors. Cows with a cystic ovarian follicle appear to be in the phase of anestrous or never leave the oestrous phase. Since the condition is treatable with GnRH there are different theories of where the …
… experiences from trials in Norway, where peas are used as a feed for dairy cows. To increase the knowledge of the effect when peas are fed in large amounts to dairy cows, an in vivo-trial has been performed within the project "Alternative protein rich concentrate feedstuffs" …
effect on milk yield, lactose content and somatic cell count at udder quarter level
… event in systems with automatic milking. This means that there is a risk that cows can be incompletely milked in one or more udder quarters, for example if the robots fail in attaching the milking cups or if the cow kicks off the milking unit. Incomplete or missed milking can …
Six cows were subjected to an intravenous glucose tolerance test (GTT) to evaluate the amount of glucose that is needed to stimulate the release of insulin from pancreas. Four of the cows were in early lactation and two were non-lactating and not pregnant. Series of …
