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New Zealand Veterinary Journal

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https://www.readbyqxmd.com/read/27855564/adenomatous-hyperplasia-of-the-mucous-glands-in-captive-archey-s-frogs-leiopelma-archeyi
#1
S D Shaw, L Berger, C Harvey, M R Alley, P J Bishop, R Speare
AIMS: To describe the gross and light microscopic characteristics of skin lesions observed on the ventral skin of captive Archey's frogs (Leiopelma archeyi) between 2000 and 2012, and to investigate their occurrence, possible aetiology and association with survival. METHODS: Postmortem skin samples were obtained for histological evaluation from 37 frogs, with and without skin lesions, that died while in captivity at Auckland Zoo between 2000 and 2012. Four frogs with skin lesions were biopsied under general anaesthesia and samples used for both light and transmission electron microscopy...
November 30, 2016: New Zealand Veterinary Journal
https://www.readbyqxmd.com/read/27817244/effect-of-time-of-artificial-insemination-after-oestrus-detection-on-non-return-rate-of-lactating-dairy-cows-on-pasture
#2
Z Z Xu
AIMS To determine the difference in reproductive performance between cows detected in oestrus during morning or afternoon milking when artificial insemination (AI) was carried out once daily, either after the morning or afternoon milking. METHODS The study used 20,816 records for cows in 30 spring calving dairy herds that used a camera-based system for oestrus detection during both morning and afternoon milkings. This system automatically determined whether a pressure-sensitive oestrus detection device had been activated or not, or was missing...
November 30, 2016: New Zealand Veterinary Journal
https://www.readbyqxmd.com/read/27870922/evaluating-the-benefits-of-vaccination-when-used-in-combination-with-stamping-out-measures-against-hypothetical-introductions-of-foot-and-mouth-disease-into-new-zealand-a-simulation-study
#3
R L Sanson, T Rawdon, K Owen, K Hickey, M van Andel, Z D Yu
AIMS: To evaluate the benefits of vaccination against simulated outbreaks of foot-and-mouth disease (FMD) in New Zealand, when applied as an additional measure to stamping-out. METHODS: A simulation modelling approach was used. The study population comprised all known farms in New Zealand with FMD-susceptible livestock. Infection was seeded into three different areas of New Zealand. Transmission mechanisms included direct and indirect contacts, local spread and airborne spread...
November 21, 2016: New Zealand Veterinary Journal
https://www.readbyqxmd.com/read/27851887/suspected-phenobarbitone-hypersensitivity-with-acute-liver-failure-in-a-dog
#4
L Bosseler, I Cornelis, P Defauw, S Daminet, R Ducatelle
No abstract text is available yet for this article.
November 16, 2016: New Zealand Veterinary Journal
https://www.readbyqxmd.com/read/27842208/antimicrobial-resistance-patterns-of-bacteria-isolated-from-canine-urinary-samples-submitted-to-a-new-zealand-veterinary-diagnostic-laboratory-between-2005-2012
#5
C H McMeekin, K E Hill, I R Gibson, J P Bridges, J Benschop
AIMS: To identify and describe culture and antimicrobial resistance (AMR) patterns in bacteria isolated from canine urinary samples submitted to a New Zealand veterinary diagnostic laboratory. METHODS: Records from a veterinary diagnostic laboratory were examined for bacterial isolates cultured from canine urine samples between January 2005 and December 2012. Culture and susceptibility results were compiled with information on the age, sex and breed of dog. Repeat submissions were removed...
November 14, 2016: New Zealand Veterinary Journal
https://www.readbyqxmd.com/read/27817245/a-survey-of-antimicrobial-use-in-dairy-cows-from-farms-in-four-regions-of-new-zealand
#6
M Bryan, S Y Hea
AIMS: To assess the use of antimicrobials in dairy cows over three seasons in a group of dairy farms within the Southland and South Otago region, and to assess antimicrobial use in one season in a group of monitored dairy farms in four regions of New Zealand. METHODS: Sales data were collated for all antimicrobials purchased by 399, 406 and 436 dairy farms in the Southland and South Otago regions for the 2012-13, 2013-14 and 2014-15 seasons, respectively, and from 108 dairy farms in the Manawatu, Taranaki, North Canterbury, and Southland and South Otago regions of New Zealand for 2014-15...
November 6, 2016: New Zealand Veterinary Journal
https://www.readbyqxmd.com/read/27788617/the-vitamin-b12-and-se-status-of-lambs-during-their-transition-from-milk-fed-monogastric-to-grazing-herbivore
#7
S O Knowles, N D Grace
AIM: To estimate how the lamb's transition from a monogastric at birth to a grazing ruminant at weaning affects its dietary intake of trace nutrients from milk and pasture, and to determine whether its vitamin B12 and Se status changed during that period. METHODS: We reviewed published reports of field trials in New Zealand where flocks were managed on mixed sward pastures without additional supplements. Information on intakes of milk and pasture was drawn from studies of suckling lambs grazing with ewes for up to 20 weeks...
October 27, 2016: New Zealand Veterinary Journal
https://www.readbyqxmd.com/read/27783902/re-accuracy-of-fetal-age-estimates-using-transrectal-ultrasonography-for-predicting-calving-dates-in-dairy-cows-in-seasonally-calving-herds-in-new-zealand
#8
(no author information available yet)
No abstract text is available yet for this article.
October 26, 2016: New Zealand Veterinary Journal
https://www.readbyqxmd.com/read/27750516/pathological-changes-seen-in-horses-in-new-zealand-grazing-mediterranean-tall-fescue-lolium-arundinaceum-infected-with-selected-endophytes-epichlo%C3%A3-coenophiala-causing-equine-fescue-oedema
#9
J S Munday, S C Finch, J B Vlaming, B L Sutherland, L R Fletcher
AIM: To investigate whether Mediterranean tall fescue (Lolium arundinaceum (Schreb.) Darbysh. (syn Festuca arundinacea)) infected with selected fungal endophytes (Epichloë coenophiala (formerly Neotyphodium coenophialum)) caused equine fescue oedema when grown in New Zealand, and to examine the pathological changes associated with this intoxication. METHODS: Horses were grazed on Mediterranean tall fescue that was infected with the endophytes AR542 (n=2), or AR584 (n=3), or Mediterranean tall fescue that was endophyte-free (n=2)...
October 17, 2016: New Zealand Veterinary Journal
https://www.readbyqxmd.com/read/27750502/comparison-of-two-long-acting-pre-lambing-anthelmintic-treatments-on-the-productivity-of-ewes-in-low-body-condition
#10
C Bingham, A Hodge, B Mariadass
AIM: To determine if there was a benefit from treating ewes with a low body condition score (BCS) with long acting anthelmintic products pre-lambing and to compare the effects of two commonly used treatment options. METHODS: The study was conducted on a single commercial hill country sheep and beef property in the central North Island of New Zealand. Mixed age twin-bearing ewes were preselected by the farmer as being in poor condition 4 weeks before the planned start of lambing, and were sequentially drafted into three equal groups identified with coloured ear tags...
October 17, 2016: New Zealand Veterinary Journal
https://www.readbyqxmd.com/read/27748166/factors-influencing-antimicrobial-prescribing-by-veterinarians-and-usage-by-dairy-farmers-in-new-zealand
#11
S McDougall, C W R Compton, N Botha
AIMS: To determine the factors associated with the selection of antimicrobials by dairy veterinarians, and the attitudes of those veterinarians and dairy farmers to antimicrobial usage and resistance. METHODS: Facilitated focus groups of dairy farmers (n=22) and an anonymous online survey of dairy cattle veterinarians (n=206 respondents) were used to determine prescribing behaviour, factors affecting prescribing of antimicrobials, and the attitudes of veterinarians and farmers to the use of antimicrobials and the risk of antimicrobial resistance (AMR)...
October 16, 2016: New Zealand Veterinary Journal
https://www.readbyqxmd.com/read/27643584/pharmacokinetics-and-sedative-effects-of-dexmedetomidine-in-dairy-calves
#12
P Cagnardi, R Villa, G Ravasio, L Lucatello, F Di Cesare, F Capolongo, A Boccardo, D Pravettoni
AIMS: To evaluate the pharmacokinetics of dexmedetomidine (DEX) administered I/V at a dose of 5 µg/kg bodyweight in dairy calves and to compare the sedative effects of anaesthetic protocols involving DEX and xylazine. METHODS: Nine dairy calves, aged 17-20 days, were treated with 5 µg/kg I/V dexmedetomidine. For pharmacokinetic evaluation, blood samples were collected over 12 hours and serum samples were analysed by high performance liquid chromatography-mass spectrometry...
October 12, 2016: New Zealand Veterinary Journal
https://www.readbyqxmd.com/read/27705540/periparturient-characteristics-of-mares-and-their-foals-on-a-new-zealand-thoroughbred-stud-farm
#13
C Rosales, N Krekeler, B Tennent-Brown, M A Stevenson, D Hanlon
AIMS: To describe selected periparturient variables in a sample of Thoroughbred mares and their foals on a commercial stud farm in New Zealand. METHODS: Data were collected for 969 foaling records from 592 mares by foaling attendants from one Thoroughbred stud farm in the Waikato region of New Zealand for the breeding seasons 2008-2013, inclusive, and collated retrospectively. The association between mare- and foal-level variables and gestation length, time of birth (expressed as the number of hours after midday), fetal membrane retention time, time for the foal to stand and suckle after birth, and foal mortality was quantified using linear and logistic regression models...
October 5, 2016: New Zealand Veterinary Journal
https://www.readbyqxmd.com/read/27691907/investigation-of-fetal-loss-in-ewe-lambs-in-relation-to-liveweight-changes-and-progesterone-concentrations-in-early-to-mid-gestation
#14
A L Ridler, R A Corner-Thomas, P R Kenyon, K J Griffiths
AIMS: To investigate associations between changes in liveweight and fetal loss in ewe lambs and to determine whether fetal loss was associated with concentrations of progesterone in early and mid-gestation. METHODS: Ewe lambs on two commercial sheep farms (Flock A; n=504 and Flock B; n=460) in the southern North Island of New Zealand were weighed, and body condition score was assessed, prior to breeding and throughout pregnancy. Pregnancy diagnosis was undertaken approximately 56 (PD1), 80 (PD2) and 110 (PD3) days after the start of breeding and fetal loss determined...
October 2, 2016: New Zealand Veterinary Journal
https://www.readbyqxmd.com/read/27691906/skeletal-deformities-associated-with-nutritional-congenital-rickets-in-newborn-lambs
#15
K E Dittmer, R E Morley, R L Smith
CASE HISTORY: A group of 545 pregnant rising 2-year-old Coopdale ewes on a Southland sheep farm were grazed over winter on a fodder beet (Beta vulgaris) crop. Subsequently, 45 out of approximately 750 lambs were born with a variety of skeletal deformities, including shortened limbs, varus and valgus angular limb deformities, palmar grade stance and cranial bowing of the carpus. Analysis of the crop showed the fodder beet contained a low percentage of phosphorus. In addition, 60 out of 460 rising 2-year-old ewes that had been grazed on the fodder beet crop as 1-year-olds had incisor abnormalities and malocclusion...
October 2, 2016: New Zealand Veterinary Journal
https://www.readbyqxmd.com/read/27691904/pharmacokinetics-and-estimated-bioavailability-of-grapiprant-a-novel-selective-prostaglandin-e2-receptor-antagonist-after-oral-administration-in-fasted-and-fed-dogs
#16
B Lebkowska-Wieruszewska, G Barsotti, A Lisowski, A Gazzano, H Owen, M Giorgi
AIMS: To assess the effect of food intake on the pharmacokinetics of grapiprant administered orally at 2 mg/kg, and to estimate its oral bioavailability in dogs. METHODS: Eight healthy female Labrador Retriever dogs, aged 4-10 years were used. In the initial trial two dogs were administered a 0.5 mg/kg I/V bolus of grapiprant dissolved in ethanol. In the second trial, six dogs were assigned to two treatment groups, using a randomised cross-over design, and received 2 mg/kg of grapiprant orally, as pure powder, after fasting for 12 hours or after being fed...
October 2, 2016: New Zealand Veterinary Journal
https://www.readbyqxmd.com/read/27593392/acute-photosensitisation-and-mortality-in-a-herd-of-dairy-cattle-in-tasmania
#17
H M Golder, N Moss, G Rogers, B Jackson, N Gannon, Ptw Wong, I J Lean
CASE HISTORY: A herd of Holstein, Jersey, or Holstein-Jersey cross lactating cattle of mixed ages presented with a sudden drop in milk yield in 94/678 cows on 3 October 2014 (Day 0). The herd was located in Gretna in the Derwent Valley (Tasmania, Australia) and had been grazing dryland pasture. CLINICAL FINDINGS: On Day 0 the cows variably showed recumbency, peracute photosensitisation, inflamed coronary bands, conjunctival erythema, periauricular oedema, distress indicated by kicking at the flank, bruxism, discomfort, weight shifting, vocalisation indicating pain and depression...
October 2, 2016: New Zealand Veterinary Journal
https://www.readbyqxmd.com/read/27643681/preliminary-evaluation-of-a-hydrogel-liquid-bandage-in-30-dogs-undergoing-tibial-plateau-levelling-osteotomy-surgery
#18
E J Harrison, W E Scherrer, J Fragola, N G Patel, S R Perry, V Janković, A J Staatz
AIMS: To compare the prevalence of minor incisional complications in canine patients undergoing tibial plateau levelling osteotomy (TPLO) surgery that had a hydrogel liquid bandage (HLB) applied to their incision, with patients that had a light adhesive bandage applied. METHODS: Thirty dogs undergoing TPLO surgery were randomly assigned to either application of a light adhesive bandage to the incision, with removal 18-24 hours later, or application of a clear-drying polyethylene glycol HLB to the incision...
September 18, 2016: New Zealand Veterinary Journal
https://www.readbyqxmd.com/read/27604152/characterisation-of-methicillin-resistant-staphylococcus-aureus-clinical-isolates-from-animals-in-new-zealand-2012-2013-and-subclinical-colonisation-in-dogs-and-cats-in-auckland
#19
A Karkaba, J Benschop, K E Hill, A Grinberg
AIMS: To characterise methicillin-resistant Staphylococcus aureus (MRSA) isolates from infection sites in animals in New Zealand and assess the prevalence of subclinical MRSA colonisation in dogs and cats attending veterinary clinics in Auckland. METHODS: MRSA isolates from clinical specimens obtained by the main New Zealand veterinary diagnostic laboratories between June 2012 and June 2013, were genotypically characterised by DNA microarray hybridisation analysis and spa typing...
September 7, 2016: New Zealand Veterinary Journal
https://www.readbyqxmd.com/read/27498847/estimating-fetal-age-how-accurate-is-it-really
#20
Richard Laven
No abstract text is available yet for this article.
November 2016: New Zealand Veterinary Journal
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