Results

1576 - 1600 of 1901
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An observational study was conducted in 63 Canadian dairy farms to evaluate the association of bulk tank milk selenium (Se) concentration (BTSe) with average daily milk yield, milk fat and milk protein, bulk tank somatic cell count (BTSCC), and the probability of being a Staphylococcus aureus-positi...
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In a cross-sectional study of 633 pigs from 21 herds on Prince Edward Island, Canada (PEI), the prevalence of infection with Cryptosporidium and Giardia, and the genotypes and species of isolates were determined in order to establish the zoonotic potential of pigs in this region. As determined by di...
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The objectives of this study were to determine the prevalence and assemblages of Giardia and species of Cryptosporidium on beef farms in Prince Edward Island (PEI), Canada, including the water sources associated with the farms, and to determine risk factors for infection of cattle with these parasit...
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The effect of repeated lamb removal on the blood leukocyte population of ewes was examined and the behavioural and endocrine responses to the stressor quantified. 12 ewes which had given birth to twins, were placed in separate pens with their lambs. After 13 days, the lambs (14-19 days old) from one...
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Suffolk × Greyface lambs, 16 weeks of age, weighing 30-40 kg, were transported by road, confined on a stationary vehicle or received no treatment (controls). The effects of 24 h continuous transport or confinement were compared with those of 12 h treatment followed by 12 h lairage, 3 h lairage or 3...
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In a 2×2 factorial design, 6 sheep were either transported by road for 15 h or kept in their home pens, and then either starved for 12 h with access to water or offered hay ad libitum with access to water. All groups were offered hay and water 12 h after transport. Behavioural observations and meas...
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The aim of this project was to examine the relationships between driver behaviour and driving events during a journey and the behavioural responses of sheep to these events. Driving style can have a major influence on the welfare of the animals by affecting the risk of injury and by disturbing the a...
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The preslaughter handling and behaviour, and subsequent bruising was observed in 40 groups of sheep in a commercial slaughterhouse. A greater percentage of bruised carcasses was found in lambs (71%) than in ewes (49%). A greater percentage of severely bruised carcasses was found in lambs from market...
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Two groups of 5 sheep (7 months of age) were moved and isolated in pens which did not allow visual and tactile contact with other sheep for 24 h. They were then moved back to their original pens where visual and tactile contact was possible. After 24 h the procedure was repeated 7 times for one grou...
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The pre-slaughter handling, behaviour and blood composition of beef cattle at slaughter was studied in a commercial slaughterhouse. The main problems identified were the routine use of driving instruments and delays caused by stoppages in the slaughter line. The plasma concentration of cortisol at t...
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Behavioural observations and physiological measurements were made on weaned lambs (35 kg) before, during and either after stationary confinement or transport for 12 h at 4 space allowances (0.22, 0.27, 0.31 and 0.41 m²/sheep). Two groups were not loaded (a control group with access to food anf wate...
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Twelve Friesian calves with abomasal cannulae were kept in a controlled environment chamber and given a milk substitute in buckets at 12-h intervals. Calves were exposed to air temperatures of 25°C from 4 to 10 days old, 5° from 11 to 14 days old, and 25° at 15 days old. At 9, 10, 11, 14 and 15 d...
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Six groups of eight, Friesian 2-day-old calves were placed successively in a controlled environment chamber. Three groups were exposed to air temperatures of 10° and 25°C. Calves were given a skim milk substitute and drinking (free) water 4 litre/day. Within each group, calves were allocated to a ...
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This article describes the teaching of animal handling at the Royal (Dick) School of Veterinary Studies, University of Edinburgh, as part of an animal husbandry course during the first two years of the veterinary curriculum. Basic methods of handling and restraint appropriate for the wide range of a...
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The behaviour of 2 groups of sheep was observed when they were placed in a pen on wooden slats and/or straw bedding for 48 h. When sheep were placed in the pen and not given a choice of slats and straw, the proportion of scans spent standing and lying by one group of sheep were not affected by floor...
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This paper discusses the potential for using observations of behaviour to recognise distress in sheep. The term distress is used to describe situations in which an animal is likely to be suffering, and is indicating this by overt behavioural signs. Literature on the behavioural responses of sheep to...
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It is the view of many organisations that, whenever possible, it is more appropriate to slaughter animals close to their source of production and transport the carcass rather than transport sentient live animals for slaughter, when long journeys may put their welfare at risk. However, more evidence ...
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This experiment describes the implications of red deer being kept in pens in close proximity to other species as may occur during abattoir lairage. 20 groups of 5 male yearling red deer were used to study behavioural and physiological responses over a 2-h period to 1 of 5 treatments: red deer penned...
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The factors affecting the ability of cattle to rest were studied in 127 groups of cattle during their first 3.5 h in a slaughterhouse lairage, focusing on one Hereford X Friesian steer or heifer in each group. In cattle arriving from markets, standing and moving behaviour and aggressive interactions...
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One-hundred and thirty-five groups of cattle were observed in a slaughterhouse lairage. Groups of cattle that arrived direct from farms took longer to lie down and spent less time lying down than those that arrived from markets. In 72 groups, the majority of time was spent with no animals in the gro...
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This chapter discusses the animal welfare implications of sheep transport, particularly sheep behaviour during road transport, the injuries associated with transport, stress response and thermoregulation and effects of transport on weight loss, meat quality and food safety. A brief discussion of sea...