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New Zealand Veterinary Journal

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https://www.readbyqxmd.com/read/29985111/associations-between-liveweight-body-condition-score-and-previous-reproductive-outcomes-and-the-risk-of-ewes-bred-at-18-months-of-age-being-dry-at-docking
#1
K J Griffiths, A L Ridler, C Heuer, R A Corner-Thomas, P R Kenyon
AIMS: Firstly, to investigate associations between liveweight and body condition score (BCS) of two-tooth ewes (18-months-old at breeding) at breeding, pregnancy diagnosis (PD) and pre-lambing and the risk of being dry at docking, on commercial New Zealand sheep farms. Secondly, to investigate the association between previous reproductive outcomes as ewe lambs, and risk of being dry at docking as two-tooth ewes. METHODS: Two-tooth ewes (n=9,006) were enrolled in four cohorts from three commercial sheep farms between 2010-14...
July 9, 2018: New Zealand Veterinary Journal
https://www.readbyqxmd.com/read/29949729/creation-of-a-predictive-equation-to-estimate-fat-free-mass-and-the-ratio-of-fat-free-mass-to-skeletal-size-using-morphometry-in-lean-working-farm-dogs
#2
Y M Leung, N J Cave, B A S Hodgson
AIMS: To develop an equation that accurately estimates fat-free mass (FFM) and the ratio of FFM to skeletal size or mass, using morphometric measurements in lean working farm dogs, and to examine the association between FFM derived from body condition score (BCS) and FFM measured using isotope dilution. METHODS: Thirteen Huntaway and seven Heading working dogs from sheep and beef farms in the Waikato region of New Zealand were recruited based on BCS (BCS <3, 3-4, >4) using a nine-point scale...
June 27, 2018: New Zealand Veterinary Journal
https://www.readbyqxmd.com/read/29949720/development-of-a-model-for-investigation-of-perennial-ryegrass-toxicosis-in-sheep
#3
M A Combs, S H Edwards, J M Scherpenhuizen, E J Narayan, A E Kessell, J Piltz, S R Raidal, J Ramsay, J C Quinn
AIMS: To develop a clinical model of perennial ryegrass toxicosis (PRGT) based on feeding a known dose of lolitrem B and ergotamine, and to produce a consistent clinical presentation for assessment of disease pathophysiology, neurological changes and neurohistopathology. METHODS: Male lambs, aged between 10-12 months, were randomly assigned to either Treatment (n=9) or Control (n=9) groups. Lambs in the Treatment group received feed containing a novel endophyte-infested perennial ryegrass seed, commencing on Day 0 of the Feeding phase with a low induction dose, then increasing after 3 days to provide 0...
June 27, 2018: New Zealand Veterinary Journal
https://www.readbyqxmd.com/read/29949719/effect-of-a-one-off-sporidesmin-challenge-on-the-milk-production-of-dairy-cows
#4
Z M Matthews, M G Collett, J C Marshall, A C Partridge, P J Derrick, P J B Edwards
AIMS: To investigate the effects on milk yield in lactating dairy cows of a single dose of sporidesmin, and to categorise the responses based on clinical signs and differing degrees of liver damage, as assessed by activities of γ-glutamyl transferase (GGT) and post-mortem liver histopathology. METHODS: Adult lactating dairy cows (n=17) were given a single intra-ruminal dose of 0.24 mg/kg of sporidesmin dissolved in ethanol and diluted in water on Day 0; an additional three cows served as untreated controls...
June 27, 2018: New Zealand Veterinary Journal
https://www.readbyqxmd.com/read/29874523/molecular-detection-of-bartonella-coopersplainsensis-and-b-henselae-in-rats-from-new-zealand
#5
J N Vijayan Genitha Helan, A Grinberg, K Gedye, M A Potter, S Harrus
AIMS: To identify Bartonella spp. in rats from New Zealand using molecular methods. METHODS: DNA was extracted from the spleens of 143 black rats (Rattus rattus) captured in the Tongariro National Park, New Zealand. PCR was performed using Bartonella genus-specific primers amplifying segments of the 16S-23S rRNA internal transcribed spacer and citrate synthase (gltA) and beta subunit of the RNA polymerase (rpoB) genes. PCR products were sequenced and compared online with sequences stored in the database of the National Center for Biotechnology Information of the United States of America...
June 25, 2018: New Zealand Veterinary Journal
https://www.readbyqxmd.com/read/29925297/bacteriophage-therapy-for-management-of-bacterial-infections-in-veterinary-practice-what-was-once-old-is-new-again
#6
R A Squires
Bacteriophages (or phages) are naturally-occurring viruses that can infect and kill bacteria. They are remarkably diverse, numerous and widespread. Each phage has a narrow host range yet a large majority of bacteria studied so far play host to bacteriophages, hence the remarkable phage diversity. Phages were discovered just over 100 years ago and they have been used for treatment of bacterial infections in humans and other animals since the 1920s. They have also been studied intensively and this has led to, and continues to lead to, major insights in the fields of molecular biology and recombinant DNA technology, including that DNA is the genetic material, nucleotides are arranged in triplets to make codons, and messenger RNA is needed for protein synthesis...
June 20, 2018: New Zealand Veterinary Journal
https://www.readbyqxmd.com/read/29924957/a-survey-of-canine-respiratory-pathogens-in-new-zealand-dogs
#7
H R Sowman, N J Cave, M Dunowska
AIMS: To determine which of the common canine respiratory pathogens circulate among selected populations of healthy and diseased dogs in New Zealand. METHODS: Coagulated blood samples for serology and oropharyngeal swabs for virology were collected from healthy dogs (n=47) and from dogs with acute respiratory disease (n=49). For diseased dogs a convalescent blood sample was also collected 3-4 weeks later. Oropharyngeal swabs were subjected to virus isolation and tested for canine parainfluenza virus (CPIV), canine adenovirus (CAdV) 2, canine herpesvirus (CHV), canine respiratory coronavirus (CRCoV), canine influenza virus (CIV), canine distemper virus (CDV), Bordetella bronchiseptica, Streptococcus equi subsp...
June 20, 2018: New Zealand Veterinary Journal
https://www.readbyqxmd.com/read/29807499/bovine-surgery-and-lameness-third-edition-ad-weaver-o-atkinson-g-st-jean-and-a-steiner
#8
Richard A Laven
No abstract text is available yet for this article.
June 13, 2018: New Zealand Veterinary Journal
https://www.readbyqxmd.com/read/29791812/automated-oestrus-detection-using-multimetric-behaviour-recognition-in-seasonal-calving-dairy-cattle-on-pasture
#9
J Brassel, F Rohrssen, K Failing, A Wehrend
AIMS: To evaluate the performance of a novel accelerometer-based oestrus detection system (ODS) for dairy cows on pasture, in comparison with measurement of concentrations of progesterone in milk, ultrasonographic examination of ovaries and farmer observations. METHODS: Mixed-breed lactating dairy cows (n=109) in a commercial, seasonal-calving herd managed at pasture under typical farming conditions in Ireland, were fitted with oestrus detection collars 3 weeks prior to mating start date...
June 11, 2018: New Zealand Veterinary Journal
https://www.readbyqxmd.com/read/29791810/anal-fibropapillomas-containing-bovine-papillomavirus-type-2-dna-in-two-groups-of-heifers
#10
J S Munday, A A Cullum, N A Thomson, M Bestbier, T McCormack, A F Julian
CASE HISTORY: Anal warts were observed in heifers in two unrelated groups of animals. Heifers in one group developed visible warts 4 months after manual rectal examination and heifers in the other group developed warts 5 months after examination using a hand-held rectal ultrasound probe. CLINICAL FINDINGS: Large exophytic proliferative anal masses were observed in 5/15 (33%) heifers in one group and 13/149 (9%) heifers in the second group. Heifers in the second group were also noted to have similar masses on the underside of the tail at sites previously used for venepuncture and some of the heifers had skin warts...
June 11, 2018: New Zealand Veterinary Journal
https://www.readbyqxmd.com/read/29756542/campylobacteriosis-in-dogs-and-cats-a-review
#11
E Acke
Campylobacter species are commonly isolated from faecal samples collected from dogs and cats, with the most prevalent species being C. upsaliensis, C. helveticus, and C. jejuni. Although the majority of dogs and cats are subclinically infected, some will develop mild to moderate enteritis. Immature animals, animals from intensive housing backgrounds, and animals with concurrent disease are especially predisposed to infection and the development of clinical signs. Bacterial culture methods applied in diagnostic laboratories remain biased to C...
May 23, 2018: New Zealand Veterinary Journal
https://www.readbyqxmd.com/read/29699459/re-clinical-haematology-and-biochemistry-profiles-of-cattle-naturally-infected-with-theileria-orientalis-ikeda-type-in-new-zealand
#12
(no author information available yet)
No abstract text is available yet for this article.
July 2018: New Zealand Veterinary Journal
https://www.readbyqxmd.com/read/29669494/an-epidemiological-investigation-of-an-idiopathic-myopathy-in-hunting-dogs-in-new-zealand
#13
H Hunt, N J Cave, B D Gartrell, N Cogger, J A Petersen, W D Roe
AIM: To conduct an epidemiological investigation of an idiopathic myopathy, known as "Go Slow" (GSM), which was initially recognised in dogs used for pig hunting. A secondary aim was to describe the hunting activities, diet and health of dogs used for pig hunting in New Zealand. METHODS: A retrospective cohort study was conducted between June 2014-June 2017. Cases of GSM in dogs were diagnosed by veterinarians using a combination of clinical history, physical examination findings, serum biochemistry and/or skeletal muscle histology...
July 2018: New Zealand Veterinary Journal
https://www.readbyqxmd.com/read/29669479/long-term-use-of-hydraulic-artificial-urethral-sphincters-in-nine-dogs-from-new-zealand-with-urethral-sphincter-mechanism-incompetence
#14
Krs Morgan, H R Milner, A Tikekar, H L Smith, A R Coomer
AIMS: To report on the long-term outcomes of hydraulic artificial urethral sphincter (HAUS) placement for the correction of urethral sphincter mechanism incompetence (USMI) in New Zealand dogs. METHODS: Retrospective data were obtained from cases of dogs which had a HAUS placed after failed medical and/or surgical management of USMI between August 2012 and November 2016. Owner assessment of urinary incontinence was evaluated by an online survey in May 2017 using a visual analogue scale (0 being normal, 100 being severely affected) for the frequency, volume and severity of any straining to urinate, immediately prior to the placement of the HAUS and at the time of the survey...
July 2018: New Zealand Veterinary Journal
https://www.readbyqxmd.com/read/29669478/development-of-an-indirect-elisa-for-detection-of-antibody-to-wobbly-possum-disease-virus-in-archival-sera-of-australian-brushtail-possums-trichosurus-vulpecula-in-new-zealand
#15
J C Giles, W Johnson, G Jones, C Heuer, M Dunowska
AIMS: To develop an indirect ELISA based on recombinant nucleocapsid (rN) protein of wobbly possum disease (WPD) virus for investigation of the presence of WPD virus in Australian brushtail possums (Trichosurus vulpecula) in New Zealand. METHODS: Pre- and post-infection sera (n=15 and 16, respectively) obtained from a previous experimental challenge study were used for ELISA development. Sera were characterised as positive or negative for antibody to WPD virus based on western-blot using WPD virus rN protein as antigen...
July 2018: New Zealand Veterinary Journal
https://www.readbyqxmd.com/read/29669477/cutaneous-botryomycosis-in-a-crossbred-domestic-pig
#16
H Loader, K E Lawrence, N Brangenburg, J S Munday
No abstract text is available yet for this article.
July 2018: New Zealand Veterinary Journal
https://www.readbyqxmd.com/read/29669474/feeding-fodder-beet-beta-vulgaris-l-with-either-barley-straw-or-pasture-silage-to-non-lactating-dairy-cows
#17
G C Waghorn, K Collier, M Bryant, D E Dalley
AIMS: To determine the suitability of diets containing either approximately 85% fodder beet (Beta vulgaris L.) with barley straw or 65% fodder beet with pasture silage when fed to non-lactating dairy cows, by measuring intakes, digestibility, rumen function including microbial growth, and N excretion. METHODS: Holstein-Friesian cows fitted with permanent rumen fistulae were fed either 65% fodder beet with pasture silage (Silage; n=8) or 85% fodder beet with barley (Hordeum vulgare L...
July 2018: New Zealand Veterinary Journal
https://www.readbyqxmd.com/read/29661064/experience-and-confidence-of-final-year-veterinary-students-in-performing-desexing-surgeries
#18
M C Gates, T F Odom, R K Sawicki
AIMS: To describe the level of experience and confidence of veterinary students in performing canine and feline desexing procedures at the end of their final clinical year. METHOD: A cross-sectional survey was conducted with veterinary students at Massey University in November 2017 after completion of their final clinical year. The questions included career plans after graduation, number of assisted and unassisted desexing procedures performed, approximate time to complete desexing surgeries, level of confidence with different aspects of desexing surgeries, what aspects of their desexing surgery training were most helpful, and what could be done to improve training in desexing surgical skills in veterinary school...
July 2018: New Zealand Veterinary Journal
https://www.readbyqxmd.com/read/29591780/a-comparison-of-the-effects-of-carbon-dioxide-and-medical-air-for-abdominal-insufflation-on-respiratory-parameters-in-xylazine-sedated-sheep-undergoing-laparoscopic-artificial-insemination
#19
J D Haan, B L Hay Kraus, S R Sathe
AIMS: To determine if abdominal insufflation with medical air will improve oxygenation and ventilation parameters when compared to insufflation with CO2 in xylazine-sedated sheep undergoing laparoscopic artificial insemination (AI). METHODS: Forty-seven sheep underwent oestrus synchronisation and were fasted for 24 hours prior to laparoscopic AI. Each animal was randomised to receive either CO2 or medical air for abdominal insufflation. An auricular arterial catheter was placed and utilised for serial blood sampling...
July 2018: New Zealand Veterinary Journal
https://www.readbyqxmd.com/read/29562829/pharmacokinetics-and-effects-of-alfaxalone-after-intravenous-and-intramuscular-administration-to-cats
#20
D Rodrigo-Mocholí, E Escudero, E Belda, F G Laredo, V Hernandis, P Marín
AIMS: To determine the pharmacokinetics, and anaesthetic and sedative effects of alfaxalone after I/V and I/M administration to cats. METHODS: Six European shorthair cats, three males and three females, with a mean weight of 4.21 (SD 0.53) kg and aged 3.8 (SD 0.9) years were enrolled in this crossover, two-treatment, two-period study. Alfaxalone at a dose of 5 mg/kg was administered either I/V or I/M. Blood samples were collected between 2-480 minutes after drug administration and analysed for concentrations of alfaxalone by HPLC...
July 2018: New Zealand Veterinary Journal
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