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1576 - 1600 of 1876
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A recently compiled national database on sea lice infestations on farmed Atlantic salmon, contains detailed records for the period 1996 to 2000 from over 30 commercial sites on the west coast of Scotland. The data indicate that the two prevalent species of lice, Lepeophtheirus salmonis and Caligus e...
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One hundred and thirtyone faecal samples from cattle clinically suspected of having paratuberculosis were processed using the sedimentation culture method (SM) and the centrifugation culture method (CM) before inoculation into Herrold's egg yolk medium containing mycobactin J (M1), control medi...
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Pattern diagnosis (establishing a diagnosis of a herd problem based on the distribution of health events within that herd) is only possible if information about the expected, or 'normal' distribution is available. This study examined the distribution of somatic cell count (SSC) patterns in Prince Ed...
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A detailed telephone survey of dog owners was undertaken in 1996 to determine the risk factors for biting behaviour of dogs in a household setting. Individuals were selected from a cross-sectional population of veterinary clientele in the Canadian provinces of New Brunswick, Nova Scotia, and Prince ...
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With the increasing spread of invasive marine species and their detrimental effects on aquaculture operations globally, mitigation strategies need to be optimized to mitigate economic impacts. The efficacy of a potassium monopersulphonate triple salt based disinfectant used in the aquaculture indust...
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Delays between time of sampling and time of testing are common, therefore, the length of time that blood can be stored at various temperatures was evaluated for effects on cholinesterase activity. Six horses were treated with 16 g of trichlorfon per os, 6 horses were treated with 15 g of dichlorvos ...
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For 3 California, USA, dairy herds with bulk tank somatic cell counts <200 000/ml, twice daily milking and no mastitis vaccine, 254 quarters with mild clinical mastitis were randomly assigned to 3 groups. Group A (n = 74) was treated with 62.5 mg of intramammary amoxicillin every 12 h for 3 milkings...
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A major challenge faced by users during the information search and retrieval process is the selection of search terms for query formulation and expansion. Thesauri are recognised as one source of search terms which can assist users in query construction and expansion. As the number of electronic...
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The development of a personal computer based user interface for the delivery of epidemiological models and associated information is described. The Microsoft Windows application was designed using proprietary high level programming software (KnowledgePro Gold, Knowledge Garden, Setauket, New Yor...
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A major contribution of this cluster of projects has been in the diagnosis of trypanosomiasis and other endemic diseases of livestock, improving the value of field data for research and, more importantly, improving the ability of field veterinarians in making appropriate diagnoses.
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Nine multiparous cows in early lactation were fed alfalfa silage ad libitum twice daily, a grain-based concentrate five times daily, and one of three protein sources five times daily. Supplemental proteins were soya-bean meal, raw coarse-ground sweet white lupins or roasted coarse-ground sweet white...
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The objective of this field trial was to compare the effect of intrauterine (i.u.) antibiotic or intramuscular (i.m.) prostaglandin F2 alpha (PGF2 alpha) on time to pregnancy in dairy cows diagnosed with clinical endometritis between 20 and 33 days in milk (DIM). The case definition of endometritis ...
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Background: Breast cancer in females and prostate cancer in males are two of the most common cancers in the United States, and the literature suggests that they share similar features. However, it is unknown whether the occurrence of these two cancers at the county level in the United States is corr...
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The performance of flow cytometry (FC) was compared with immunofluorescence microscopy (IM) for detection of Giardia duodenalis in bovine feces. Samples from 36 adult dairy cows and 208 dairy calves were collected. Flow cytometry test characteristics were calculated using continuous, ordinal, and di...
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A 6-page questionnaire was designed to collect information from owners of 134 horses diagnosed with C. pseudotuberculosis infection at the UC Davis Veterinary Medical Teaching Hospital (VMTH) between 1 July 1992 and 30 June 1994 and a further 800 control horses, to evaluate risk factors. The questio...
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The welfare of animals in transit may be affected by driving events, such as acceleration, braking and cornering. The relationships between driving events and the behavioural responses of the animals were examined. A single-deck, non-articulated vehicle was with a video-recording system, GPS and tri...
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For two large California dairy herds with twice daily milking, 171 infected quarters of lactating cows with mild clinical mastitis were randomly assigned to one of three treatment groups. Group A (50 cows) was treated with 62.5 mg of intramammary amoxicillin every 12 h for three milkings. Group C (5...
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West Nile virus (WNV) has spread across the North American continent, since its introduction in the summer of 1999. The virus first appeared in Canada in Ontario, Quebec, and Manitoba in 2001, Saskatchewan in 2002, and Alberta in 2003. At present, the virus is widespread in the southern portions of ...
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The epidemiology and importance of coagulase negative staphylococcal (CNS) mastitis in Prince Edward Island had not been documented. To investigate this, a cohort of 84 cows at seven farms were quarter sampled eight times over a lactation, commencing with samples taken prior to drying off in the pre...
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