Results

1551 - 1575 of 1984
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Biochemical measurements of stress and injury were determined in 112 groups of sheep arriving at a commercial abattoir either from farms (71 groups, n=1829), local markets (21 groups, n=2125) or distant markets (20 groups, n=3145). Sheep from farms had significantly fewer bruises (0.08/sheep) than t...
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Scan samples of the postural, eating and drinking behaviours of 92 groups of cattle, and focal samples of the eating and drinking behaviour of 378 individuals, were made during the initial 3 h in a commercial slaughterhouse lairage. Cattle which arrived from markets spent more time drinking and lay ...
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The handling of 39 cattle during unloading and movement to slaughter of 163 was observed at a commercial abattoir. Most potentially traumatic events and handling events occurred while the cattle were in the race. During the initial 3 hours in the lairage pen, 28 cattle from markets spent significant...
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This study quantified potentially traumatic events during handling (350 groups; n=3296), and the effect of source and sex class on the occurrence of carcass bruising of cattle (339 groups; n=3270) at 2 commercial slaughterhouses. A mean of 0.13 and 0.97 potentially traumatic events per animal occurr...
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Methods to assess changes in the mental state of animals in response to their environment can be used to provide information to enhance animal welfare. One of the most profound changes of mental state observable in mammals is the change between wakefulness and sleep. Sleeping mammals have characteri...
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Groups of sheep were observed in a slaughterhouse lairage in order to investigate the factors affecting their ability to rest. 34 groups were observed using a video camera and recorder from arrival to dusk (evening) and from dawn to removal (morning). 19 groups were transported by road to the slaugh...
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Protecting farm animals from hunger and thirst is central to good welfare. However, there are a large number of situations where farm animals are exposed to nutrient restriction. Some of these, such as the effects of prenatal nutrition have received insufficient recognition as welfare issues. Genera...
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The prevalence of bovine viral diarrhea virus (BVDV) persistency was examined in 12 Holstein dairy herds in Charlottetown, Canada, from Feb. 2009 to Oct. 2009. A total of 469 serum and ear notch biopsy pairs were collected. Depending upon the age and vaccination status, the sampled animals were divi...
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Objective: Sample Population: Procedures: Results: Conclusions and Clinical Relevance: To compare macrostructural and microstructural features of proximal sesamoid bones (PSBs) from horses with and without PSB midbody fracture to gain insight into the pathogenesis of PSB fracture.PSBs from 16 Thorou...
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Mussel growers in Prince Edward Island (PEI), Canada, currently use high-pressure water spraying (~700 psi) to mortally injure
or dislodge invasive tunicates from mussel product and gear. An added benefit of this process may be the stimulation of byssal
thread production, leading to improv...
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The development of effective mitigation techniques against Botryllus schlosseri and Botrylloides violaceus colonizing blue mussel
aquaculture operations has not been well studied. The objectives of our research were to determine the efficacy of using pressurized seawater
in the mitigation ...
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The development and implementation of systems for real-time monitoring of health data has been limited in veterinary medicine by the lack of computerized, automatically collected data. We describe the construction of a surveillance system for early detection of cattle diseases based on laboratory re...
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OBJECTIVE: The objective of this study was to determine if the consumption of certain foods during the year prior to diagnosis of type 1 diabetes mellitus (T1D) was associated with the risk of developing T1D in children and youth residing in Prince Edward Island, Canada. METHODS: Cases (n = 57) co...
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Bison and elk in the greater Yellowstone area are the last-known reservoir of Brucella abortus in the United States. Diagnosis of brucellosis is challenging as there is no perfect reference test. The objectives of this study were to estimate the accuracy of the fluorescence polarization assay (FPA) ...
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Bluetongue virus (BTV) is the cause of bluetongue, an emerging, arthropod-transmitted disease of ungulates. Bluetongue is characterized by vascular injury with hemorrhage, tissue infarction and widespread edema, lesions that are consistent with those of the so-called viral hemorrhagic fevers. To fur...
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BACKGROUND: Although its prevalence is still debated, chronic obstructive pulmonary disease (COPD) is a leading cause of morbidity and mortality in the United States, and smoking cessation remains the only intervention that can significantly improve the prognosis of COPD. METHODS: To determine the p...
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Immune response to fish microsporidia is still unknown and there are current research trying to elucidate the events involved in the immune response to this parasite. There is evidence suggesting the role of innate immune response and it is clear that adaptive immunity plays an essential part for el...