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51 - 75 of 1890
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Kidney tissues were sampled on 3 dates (March 1995, July 1995 and August 1996) from 162 juvenile rainbow trout obtained from a California State fish hatchery where N. salmonis (formerly Enterocytozoon salmonis) was endemic. Kidney tissues were used to prepare imprints stained with May-Grünwald Giem...
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Salmonella enterica subsp. enterica-serotypes lead to periodically increased morbidity and mortality in cattle herds. The bacteria can also lead to serious infections in humans. Consequently, Denmark has started a surveillance and control programme in 2002. The programme focuses on Salmonella Dublin...
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Infectious salmon anemia (ISA) is a viral disease in farmed Atlantic salmon Salmo salar, characterized by lethargy, anorexia, anemia and death. Test methods used for regulatory decisions to remove infected cages include the indirect fluorescent antibody test (IFAT), the reverse transcription-polymer...
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An experiment was carried out to determine whether bovine colostrum or placenta could be a source of infection of Neospora caninum for dogs. For this purpose, two dogs were fed bovine colostrum to which culture-derived N. caninum tachyzoites were added and two other dogs were fed placental cotyledon...
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Three horses from one farm were suspected of being poisoned as a result of ingesting white snakeroot plants (Eupatorium rugosum). Severe depression and rear-limb ataxia were the most striking clinical signs found. In addition, evidence of right heart failure and electrocardiographic abnormalities we...
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OBJECTIVE: To describe the use of ultrasonography to diagnose large colon volvulus (LCV) in horses. DESIGN: Descriptive report. ANIMALS: 4 horses with clinical signs of abdominal pain. PROCEDURE: Each horse was administered analgesic agents for pain control and placed in stocks. Ultrasonographic eva...
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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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Focuses on the application of open systems in promoting information flow and access
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Sweet white lupins (Lupinus albus) and a high protein variety of soyabeans, AC Proteus (HPSB), were roasted in an electric roaster at 300 degrees C for 1, 2, 3 or 4 min. Raw and roasted samples were analysed for total nitrogen, acid detergent insoluble N and protease insoluble N, and available rumen...
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152 quarter milk samples were examined microbiologically before and after storing at -80 deg C for 7 and 14 days. The total number of isolates from fresh milk (107) was higher than from frozen milk stored for 7 or 14 days (97 and 94 resp.). Similar numbers of staphylococci were isolated from fresh a...
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Twenty-five lactating dairy cows were treated with either saline (control), 500 mu g gonadotropin-releasing hormone (GnRH), GnRH + 10 mg oestradiol (E), oestradiol alone, or GnRH + E + 25 mg prostaglandin F2 alpha at approximately 11 days postpartum. Blood samples were taken at the time of injection...
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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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Blood and urine samples collected from 12 mares at frequent intervals from 25 to 210 d of pregnancy were analyzed for equine chorionic gonadotropin (eCG). Blood and urine samples were collected daily through two consecutive ovulatory periods from five cyclic mares for comparative purposes. Separate ...
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The objectives of this study were: 1) to determine if bulk tank milk urea nitrogen (BTMUN) and whole herd weighted average of the individual cow MUN levels (WHMUN) were equivalent measurements of herd MUN status; and 2) to determine the seasonal variation in BTMUN concentrations in Prince Edward Isl...
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Methods for culling wild red deer (Cervus elaphus) were compared by observing behaviour and collecting post mortem samples from wild deer shot: (i) by a single stalker during daytime; (ii) by more than one stalker during daytime; (iii) by using a helicopter for the deployment of stalkers and carcase...
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This study investigated the relationship between fertility and fatty acid (FA) profiles of egg chorions, total egg, and sperm cells of Arctic char, Salvelinus alpinus (L.) broodstock housed in tanks and fed a commercial diet. Fertility of semen from individual males was assessed using pooled eggs, a...
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A 2-year old gelding was referred for evaluation of severe right forelimb lameness. The horse was grade 4/5 lame on the right forelimb. Clinical, laboratory, and radiographic findings were consistent with septic arthritis and osteomyelitis. Due to poor prognosis the owner elected euthanasia. Histopa...
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Data from 274 Dutch herds recording clinical mastitis (CM) over an 18-month period were used to quantify the genetic variation for overall and pathogen-specific CM. Analysed pathogens were Staphylococcus aureus, coagulase negative staphylococci (CNS), Escherichia coli, Streptococcus dysgalactiae, St...