New Zealand veterinary journal最新文献

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Theileria orientalis Ikeda infection detected in red deer but not dogs or horses in New Zealand. 在新西兰发现东方马尾线虫病感染者,但没有发现狗或马。
IF 1.1 4区 农林科学
New Zealand veterinary journal Pub Date : 2024-09-02 DOI: 10.1080/00480169.2024.2393679
K E Lawrence, K Gedye, L Carvalho, B Wang, L M Fermin, W E Pomroy
{"title":"<i>Theileria orientalis</i> Ikeda infection detected in red deer but not dogs or horses in New Zealand.","authors":"K E Lawrence, K Gedye, L Carvalho, B Wang, L M Fermin, W E Pomroy","doi":"10.1080/00480169.2024.2393679","DOIUrl":"https://doi.org/10.1080/00480169.2024.2393679","url":null,"abstract":"<p><strong>Aims: </strong>To determine whether evidence for infection with <i>Theileria orientalis</i> (Ikeda) could be identified in samples of commercial red deer <i>(Cervus elaphus)</i>, horses, and working farm dogs in New Zealand.</p><p><strong>Methods: </strong>Blood samples were collected during October and November 2019 from a convenience sample of red deer (n = 57) at slaughter. Equine blood samples (n = 50) were convenience-sampled from those submitted to a veterinary pathology laboratory for routine testing in January 2020. Blood samples, collected for a previous study from a convenience sample of Huntaway dogs (n = 115) from rural regions throughout the North and South Islands of New Zealand between August 2018 and December 2020, were also tested. DNA was extracted and quantitative PCR was used to detect the <i>T. orientalis</i> Ikeda major piroplasm surface protein (MPSP) gene. A standard curve of five serial 10-fold dilutions of a plasmid carrying a fragment of the <i>T. orientalis</i> MPSP gene was used to quantify the number of <i>T. orientalis</i> organisms in the samples. MPSP amplicons obtained by end-point PCR on positive samples were isolated and subjected to DNA sequencing. The resulting sequences were compared to previously published <i>T. orientalis</i> sequences.</p><p><strong>Results: </strong>There were 6/57 (10%) samples positive for <i>T. orientalis</i> Ikeda from the deer and no samples positive for <i>T. orientalis</i> Ikeda from the working dogs or horses. The mean infection intensity for the six PCR-positive deer was 5.1 (min 2.2, max 12.4) <i>T. orientalis</i> Ikeda organisms/µL.</p><p><strong>Conclusions and clinical relevance: </strong>Red deer can potentially sustain low infection intensities of <i>T. orientalis</i> Ikeda and could act as reservoirs of infected ticks. Further studies are needed to determine whether naïve ticks feeding on infected red deer can themselves become infected.</p><p><strong>Abbreviations: </strong>Cq: Quantification cycle; LOQ: Limits of quantification; MPSP: Major piroplasm surface protein; qPCR: Quantitative polymerase chain reaction.</p>","PeriodicalId":19322,"journal":{"name":"New Zealand veterinary journal","volume":" ","pages":"1-5"},"PeriodicalIF":1.1,"publicationDate":"2024-09-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142120341","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Biomechanical comparison of bone staple fixation methods with suture material for median sternotomy closure using 3D-printed bone models. 利用三维打印骨模型,比较骨钉固定法与缝合材料用于胸骨正中切口闭合的生物力学效果。
IF 1.1 4区 农林科学
New Zealand veterinary journal Pub Date : 2024-09-01 Epub Date: 2024-05-22 DOI: 10.1080/00480169.2024.2350432
Y G Park, J H Jo, J K Lee, J M Kim, S J Lee, H Y Kim
{"title":"Biomechanical comparison of bone staple fixation methods with suture material for median sternotomy closure using 3D-printed bone models.","authors":"Y G Park, J H Jo, J K Lee, J M Kim, S J Lee, H Y Kim","doi":"10.1080/00480169.2024.2350432","DOIUrl":"10.1080/00480169.2024.2350432","url":null,"abstract":"<p><strong>Aim: </strong>To compare the biomechanical properties of three different sternal closure techniques in a 3D-printed bone model of a sternum from a 30-kg dog.</p><p><strong>Methods: </strong>Median sternotomy was performed on a total of 90 three-dimensional (3D) copies of a polycarbonate (PC) model of a sternum, generated from the CT images of the sternum of a 30-kg German Shepherd dog. Three different methods were used to repair the sternotomies: polydioxanone suture (group PDS, n = 30), stainless steel bone staples (group SS, n = 30), and nitinol bone staples (group NS, n = 30). Each repair method was tested by applying tensile force in one of three ways (longitudinally, laterally, or torsionally) resulting in a sample size of n = 10 for each repair method-loading combination. In all experiments, the loads at 1-mm and 2-mm gap formation, failure, and the displacement at the failure point were measured.</p><p><strong>Results: </strong>In lateral distraction and longitudinal shear tests, NS and SS staple repairs required application of significantly greater force than PDS across all displacement criteria (1 and 2 mm). NS exhibited significantly greater failure load than PDS. In torsion tests, NS required significantly greater application of force compared to SS or PDS at all displacement criteria (1 and 2 mm) and exhibited a greater failure load than PDS. In terms of displacement at failure point, PDS suture showed more displacement than SS or NS across all experiments (laterally, longitudinally, torsionally).</p><p><strong>Conclusions: </strong>In this study, bone staples were mechanically superior to PDS suture in median sternotomy closure using 3D-printed bone model in terms of 1-mm, 2-mm displacement loads, and displacement at failure. NS had a higher failure load than PDS under lateral, longitudinal, and torsional distraction.</p><p><strong>Clinical relevance: </strong>These study results imply that bone staples can be considered as an alternative surgical method for median sternotomy closure in dogs.</p>","PeriodicalId":19322,"journal":{"name":"New Zealand veterinary journal","volume":" ","pages":"265-274"},"PeriodicalIF":1.1,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141082007","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Surgical management of unilateral restrictive strabismus in an 8-month-old dog. 手术治疗一只 8 个月大狗的单侧局限性斜视。
IF 1.1 4区 农林科学
New Zealand veterinary journal Pub Date : 2024-09-01 Epub Date: 2024-06-17 DOI: 10.1080/00480169.2024.2361619
J H Hung, M M Ford, M T Sanders, R G Stanley
{"title":"Surgical management of unilateral restrictive strabismus in an 8-month-old dog.","authors":"J H Hung, M M Ford, M T Sanders, R G Stanley","doi":"10.1080/00480169.2024.2361619","DOIUrl":"10.1080/00480169.2024.2361619","url":null,"abstract":"<p><strong>Case history: </strong>An 8-month-old male, entire, mixed-breed dog was presented with a 1-month history of left exophthalmos and green mucopurulent ocular discharge. Subsequently, exophthalmos resolved but esotropia (medial strabismus) developed in the left eye, prompting referral to an ophthalmologist.</p><p><strong>Clinical findings: </strong>At the initial referral consultation, enophthalmos and esotropia of the left eye were identified. The patient showed mild improvement after a 3-week tapering course of oral prednisolone and doxycycline. MRI was performed and showed left medial rectus muscle atrophy with increased contrast enhancement which was consistent with chronic extraocular muscle myositis (EOM). A forced duction test was performed to confirm the diagnosis of fibrosing esotropia, which is likely a sequela of chronic EOM.</p><p><strong>Diagnosis: </strong>Fibrosing esotropia presumably caused by untreated EOM.</p><p><strong>Treatment and outcome: </strong>One month later, esotropia progressed to a marked ventro-medial strabismus resulting in visual deprivation. Surgical release of the ventral oblique, medial and ventral recti muscles was performed, resulting in immediate resolution of the enophthalmos. Despite a tapering post-operative course of oral prednisolone, mild esotropia was present 4 weeks later. In an effort to stabilise the globe position, the low dose of prednisolone was increased to a higher anti-inflammatory dose before slowly tapering over 2 months. The vision in the left eye was improved after surgery and has been maintained since without further treatment.</p><p><strong>Clinical relevance: </strong>This is the first documented case of fibrosing esotropia in a young dog with prior signs of acute exophthalmos. Fibrosing esotropia has been documented in certain breeds or as a sequela to chronic EOM. In this patient, it was presumably caused by EOM, which was strongly supported by the case history, progression and MRI findings. Most historical reports of EOM described it as a bilateral condition that resolves with systemic corticosteroids at an anti-inflammatory dose. EOM has been shown to also present unilaterally and it can progress to strabismus if not promptly recognised and treated with systemic steroids. Surgical management can restore vision when severe strabismus results in visual deprivation.</p>","PeriodicalId":19322,"journal":{"name":"New Zealand veterinary journal","volume":" ","pages":"300-306"},"PeriodicalIF":1.1,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141420034","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A practical stakeholder-focused approach for assessing the biosecurity system in Pacific Island countries. 以利益相关者为重点的实用方法,用于评估太平洋岛国的生物安全系统。
IF 1.1 4区 农林科学
New Zealand veterinary journal Pub Date : 2024-09-01 Epub Date: 2024-06-25 DOI: 10.1080/00480169.2024.2363347
Amj McFadden, T Rawdon, S Fifita
{"title":"A practical stakeholder-focused approach for assessing the biosecurity system in Pacific Island countries.","authors":"Amj McFadden, T Rawdon, S Fifita","doi":"10.1080/00480169.2024.2363347","DOIUrl":"10.1080/00480169.2024.2363347","url":null,"abstract":"<p><strong>Aims: </strong>To develop a structured process for a transparent, efficient, high-level review of a low-resource biosecurity system (limited by physical infrastructure, financial, and human resources), in order to identify and prioritise key areas for future focus which could then lead to interventions, tailored by country, to improve the system. A key requirement was that the approach developed was culturally sensitive and respectful to Pasifika people within the country.</p><p><strong>Methods: </strong>Animal health and biosecurity systems need to be urgently strengthened by Pacific Island countries and territories (PICTs) if they are to respond to current and future threats. Understanding where additional resources should be allocated to maximise benefit and ensuring buy-in from PICT stakeholders are critical for uptake of any recommendations made. However, there is little available literature on reviewing biosecurity systems, particularly where there is a need for efficiency, simplicity, and cultural sensitivity. A framework was developed through initial in-person consultation between four New Zealand experts who had experience working in international animal health development and support programmes. This was followed by input from informal discussions with selected heads of agriculture in PICTs and included their experiences with previous system reviews, as well as general advice from experts in Pasifika culture. Foundational objectives included simplicity, local inclusivity, and a structured approach, which could be undertaken over a relatively short period of time.A rapid evidence assessment methodology was used to search the available literature (published and grey, search terms <i>biosecurity, system, Pacific, animal, framework,</i> and <i>review</i> used in AND/OR combinations), to establish an evidence base for other methods of biosecurity system review. The developed framework for review of biosecurity systems in low-resource PICTs was based on elements from expert elicitation frameworks, the SurF surveillance evaluation framework and the Performance of Veterinary Services tool from The World Organisation for Animal Health.</p><p><strong>Results: </strong>The developed framework involved bringing stakeholders together in a workshop environment and comprised up to 10 steps including mapping the PICT biosecurity system and exploring attributes of component activities. Understanding the system at a high level enables stakeholders to make informed recommendations on improvements to address future needs. Using the Delphi method, recommendations were then prioritised by stakeholders.</p><p><strong>Conclusions and clinical relevance: </strong>A distinctive difference flowing from the use of the needs analysis described in this process was the empowerment of PICT stakeholders to determine their own needs and priorities, rather than have these developed by external parties.</p>","PeriodicalId":19322,"journal":{"name":"New Zealand veterinary journal","volume":" ","pages":"256-264"},"PeriodicalIF":1.1,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141451046","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Behavioural response to gastrointestinal parasites of yearling dairy calves at pasture. 牧场上一岁奶牛对胃肠道寄生虫的行为反应。
IF 1.1 4区 农林科学
New Zealand veterinary journal Pub Date : 2024-09-01 Epub Date: 2024-05-28 DOI: 10.1080/00480169.2024.2351128
A J Bates, B Fan, A Greer, R H Bryant, A Doughty
{"title":"Behavioural response to gastrointestinal parasites of yearling dairy calves at pasture.","authors":"A J Bates, B Fan, A Greer, R H Bryant, A Doughty","doi":"10.1080/00480169.2024.2351128","DOIUrl":"10.1080/00480169.2024.2351128","url":null,"abstract":"<p><strong>Aims: </strong>To investigate the association between gastrointestinal parasites (GIP) and animal behaviour in dairy calves under New Zealand pastoral conditions, using animal-mounted, accelerometer-based sensors.</p><p><strong>Methods: </strong>Thirty-six, 5-6-month-old, Friesian-Jersey, heifer calves fitted with animal activity sensors to track behaviour were randomly allocated to one of two treatment groups. Half the animals were challenged with an oral dose of 20,000 larvae of <i>Ostertagia ostertagi</i> and <i>Cooperia oncophera</i> once a week for 3 weeks and half were unchallenged. Five weeks after the last dose, seven infected and nine uninfected animals were treated with an oral anthelmintic (AHC) and data collected for a further week. Accelerometer data were classified into minutes per day eating, ruminating, in moderate-high activity or in low activity. Live weight and faecal egg counts (FEC) were recorded weekly over the study period. All animals co-grazed a newly sown pasture not previously grazed by ruminants and were moved every week to fresh grazing. Treatment status was blinded to those managing the animals which were otherwise treated identically.</p><p><strong>Results: </strong>Complete behavioural records were available from 30/36 calves, (13 challenged and 17 unchallenged). Before treatment with AHC, FEC increased in infected and un-treated calves over the study, while uninfected animals maintained a near zero FEC. There was no difference in live weight gain between the two groups over the study period. Bayesian, multinomial regression predicted differences in animal behaviour between infected and uninfected animals that were not treated with AHC over the 7 weeks following initial infection. Parasitised calves not treated with AHC were less active and spent up to 6 (95% highest density interval (HDI) = 1-11) minutes/day less in low level activity and up to 15 (95% HDI = 7-20) minutes/day less in moderate to high level activity. They ruminated up to 9 (95% HDI = 2-15) minutes/day more and ate up to 10 (95% HDI = 2-19) minutes/day more than control calves that were not treated with AHC. The effect of AHC on time spent in each behaviour differed between infected and uninfected calves and increased the coefficient of dispersion of the behavioural data.</p><p><strong>Conclusions and clinical relevance: </strong>Small differences in animal behaviour can be measured in calves with GIP. However, to use this to target treatment, further validation studies are required to confirm the accuracy of behavioural classification and understand the complex drivers of animal behaviour in a dynamic and variable pasture-parasite-host environment.</p>","PeriodicalId":19322,"journal":{"name":"New Zealand veterinary journal","volume":" ","pages":"275-287"},"PeriodicalIF":1.1,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141161972","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Tetanus prophylaxis in horses: guidelines for New Zealand and Australia based on a critical appraisal of the evidence. 马匹破伤风预防:基于证据批判性评估的新西兰和澳大利亚指南。
IF 1.1 4区 农林科学
New Zealand veterinary journal Pub Date : 2024-09-01 Epub Date: 2024-06-23 DOI: 10.1080/00480169.2024.2365283
A L Lovett, C B Riley, V Chapman, B Bell, B Bishop, A Grierson, L J Johnstone, B W Sykes
{"title":"Tetanus prophylaxis in horses: guidelines for New Zealand and Australia based on a critical appraisal of the evidence.","authors":"A L Lovett, C B Riley, V Chapman, B Bell, B Bishop, A Grierson, L J Johnstone, B W Sykes","doi":"10.1080/00480169.2024.2365283","DOIUrl":"10.1080/00480169.2024.2365283","url":null,"abstract":"<p><p>Horses are exquisitely sensitive to tetanus neurotoxin and are exposed to the risk of infection with <i>Clostridium tetani</i> throughout life. The vaccine against tetanus is highly effective at preventing disease, whereas tetanus in unvaccinated populations is associated with high mortality rates. Current guidelines in New Zealand and Australia for the available vaccine contain contradictions and limitations surrounding the optimal tetanus immunisation protocols for both adult horses and foals. This review critically evaluates the scientific literature on tetanus prophylaxis in horses within the context of equine practice and available products in New Zealand and Australia. The review was conducted by a panel of industry and specialist veterinarians to obtain agreement on nine equine tetanus prophylaxis guidelines for practising veterinarians. The primary protocol for tetanus toxoid (TT) immunisation consists of a three-dose series IM for all horses ≥ 6 months of age, and a four-dose series IM is proposed if commencing vaccination in foals between 3 and 6 months of age. Tetanus prophylaxis in foals < 3 months of age relies on passive immunity strategies. Following the completion of the primary protocol, a TT booster dose IM should be administered within 5 years, and every 5 years thereafter. When followed, these protocols should provide adequate protection against tetanus in horses. Additional tetanus prophylaxis guidelines are provided for veterinarians attending a horse experiencing a known \"risk event\" (e.g. wound, hoof abscess, surgery, umbilical infection). When a correctly vaccinated horse experiences a risk event, pre-existing immunity provides protection against tetanus. When an unvaccinated horse or one with unknown vaccination status, or a foal born to an unvaccinated dam, experiences a risk event, TT IM and tetanus antitoxin (TAT) 1,500 IU SC should be administered simultaneously at separate sites, and the TT primary immunisation protocol should subsequently be completed for the horse's respective age. In previously immunised pregnant broodmares, a TT booster dose administered 4-8 weeks prior to parturition optimises the transfer of passive immunity against tetanus to the newborn foal via colostrum; provided that post-natal IgG concentration in serum is > 800 mg/dL (8 g/L), such foals should be passively protected against tetanus up to 6 months of age. Survivors of clinical tetanus must still receive the primary protocol for vaccination against tetanus. In summary, all horses in New Zealand and Australia should be vaccinated against tetanus with protection maintained throughout life via TT booster doses, facilitated by accurate medical record keeping and client education.</p>","PeriodicalId":19322,"journal":{"name":"New Zealand veterinary journal","volume":" ","pages":"241-255"},"PeriodicalIF":1.1,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141443149","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Correction. 更正。
IF 1.1 4区 农林科学
New Zealand veterinary journal Pub Date : 2024-09-01 Epub Date: 2024-06-03 DOI: 10.1080/00480169.2024.2362959
{"title":"Correction.","authors":"","doi":"10.1080/00480169.2024.2362959","DOIUrl":"10.1080/00480169.2024.2362959","url":null,"abstract":"","PeriodicalId":19322,"journal":{"name":"New Zealand veterinary journal","volume":" ","pages":"iii"},"PeriodicalIF":1.1,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141238298","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Comparison of recovery of sheep, goats, and calves from reversible electrical head-only and head-to-body stunning for halal meat production. 比较绵羊、山羊和小牛从可逆电击头部和头部到身体的电击中恢复清真肉类生产的情况。
IF 1.1 4区 农林科学
New Zealand veterinary journal Pub Date : 2024-09-01 Epub Date: 2024-06-30 DOI: 10.1080/00480169.2024.2367532
N J Beausoleil, M M Farouk, J Webster, C B Johnson, S Dowling, A Q Sazili, C Cameron
{"title":"Comparison of recovery of sheep, goats, and calves from reversible electrical head-only and head-to-body stunning for halal meat production.","authors":"N J Beausoleil, M M Farouk, J Webster, C B Johnson, S Dowling, A Q Sazili, C Cameron","doi":"10.1080/00480169.2024.2367532","DOIUrl":"10.1080/00480169.2024.2367532","url":null,"abstract":"<p><strong>Aims: </strong>To compare the recovery of lambs, goats, and calves from head-only (HO) or high-frequency head-to-body stunning and evaluate the complementary use of behaviour and electroencephalography (EEG) to assess return to consciousness after electrical stunning in these species.</p><p><strong>Methods: </strong>Six-month-old lambs, adult goats and calves (< 7 days old) were subjected to reversible head-only stunning (50 Hz, 1 A, 2 seconds) or reversible high-frequency head-to-body stunning (RHTB: HO followed by 2,000 Hz, 2 A, 4-second stun to body). Following stunning, behavioural recovery was assessed in 21 lambs, 22 goats, and 20 calves. Latencies to first perform behaviours (end of convulsions, head lift, attempt to right, successful righting, attempt to stand, successful standing) after stunning were scored from video recordings. Recovery of electrical brain activity indicative of consciousness was assessed using EEG in a separate cohort of minimally-anaesthetised lambs, goats and calves (n = 20 per species). EEG traces collected before and after stunning were classified as normal, epileptiform, isoelectric, or transitional activity. Following stunning, the duration of epileptiform and isoelectric activity combined (states of brain activity incompatible with conscious awareness) was calculated, as was latency to return of normal (pre-stun) EEG.</p><p><strong>Results: </strong>The RHTB stun was reversible in all three species, although one sheep failed to recover and was euthanised. Both methods caused tonic and clonic convulsions in all species. Behavioural recovery of sheep and calves was similar for both methods while goats took longer to recover from RHTB than HO stunning. There was no evidence of differences between methods in the duration of EEG incompatible with consciousness or the latency to recovery of normal EEG.</p><p><strong>Conclusions: </strong>Head-to-body stunning as applied here produced a reversible electrical stun in lambs, adult goats and young calves, although the benefits in terms of meat quality and operator safety are uncertain. Goats took longer to recover behaviourally from head-to-body stunning, possibly due to disrupted motor function, but there was no indication that post-stun unconsciousness lasted longer than following head-only stunning in any species. The normal behaviour for the animals' developmental age should be considered when deciding on behavioural indicators of recovery. The minimal anaesthesia model provided excellent quality EEG data that was valuable for interpretation of the behavioural responses.</p><p><strong>Clinical relevance: </strong>For the purposes of pre-slaughter stunning of sheep, goats and young calves, recovery appears comparable between the two methods, with all but 1/63 animals in the behaviour study recovering normal function.</p>","PeriodicalId":19322,"journal":{"name":"New Zealand veterinary journal","volume":" ","pages":"288-299"},"PeriodicalIF":1.1,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141469759","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Understanding psychological outcomes following exposure to potentially morally injurious events in animal care: development of the Moral Distress-Posttraumatic Growth Scale for Veterinary Professionals. 了解在动物护理过程中遭遇潜在道德伤害事件后的心理结果:开发兽医专业人员道德压力-创伤后成长量表。
IF 1.4 4区 农林科学
New Zealand veterinary journal Pub Date : 2024-07-01 Epub Date: 2024-04-29 DOI: 10.1080/00480169.2024.2342903
C E Connolly, K Norris
{"title":"Understanding psychological outcomes following exposure to potentially morally injurious events in animal care: development of the Moral Distress-Posttraumatic Growth Scale for Veterinary Professionals.","authors":"C E Connolly, K Norris","doi":"10.1080/00480169.2024.2342903","DOIUrl":"10.1080/00480169.2024.2342903","url":null,"abstract":"<p><strong>Aims: </strong>To generate a taxonomy of potentially morally injurious events (PMIE) encountered in veterinary care and develop an instrument to measure moral distress and posttraumatic growth following exposure to PMIE in the veterinary population.</p><p><strong>Methods: </strong>Development and preliminary evaluation of the Moral Distress-Posttraumatic Growth Scale for Veterinary Professionals (MD-PTG-VP) employed data from veterinary professionals (veterinarians, veterinary nurses, veterinary technicians) from Australia and New Zealand across three phases: (1) item generation, (2) content validation, and (3) construct validation. In Phase 1 respondents (n = 46) were asked whether they had experienced any of six PMIE and to identify any PMIE not listed that they had experienced. In Phase 2 a different group of respondents (n = 11) assessed a list of 10 PMIE for relevance, clarity and appropriateness. In Phase 3 the final instrument was tested with a third group of respondents (n = 104) who also completed the Short Post-Traumatic Stress Disorder Rating Interview (SPRINT), a measure of posttraumatic stress, and the Stress-Related Growth Scale-Short Form (SRGS-SF) a measure of perceived posttraumatic growth. Spearman's correlation coefficients were calculated between respondent scores on each of the MD-PTG-VP subscales, the SPRINT, and the SRGS-SF to assess construct validity.</p><p><strong>Results: </strong>A 10-item taxonomy of PMIE encountered in veterinary care was generated in Phase 1. Items were deemed relevant, clear and appropriate by veterinary professionals in Phase 2. These were included in the developed instrument which measures frequency and impact of exposure to 10 PMIE, yielding three subscale scores (exposure frequency, moral distress, and posttraumatic growth). Assessment of construct validity by measuring correlation with SPRINT and SRGS-SF indicated satisfactory validity.</p><p><strong>Conclusions: </strong>The MD-PTG-VP provides an informative tool that can be employed to examine professionals' mental health and wellbeing following exposure to PMIE frequently encountered in animal care. Further evaluation is required to ascertain population norms and confirm score cut-offs that reflect clinical presentation.</p><p><strong>Clinical relevance: </strong>Once fully validated this instrument may be useful to quantify the frequency and intensity of positive and negative aspects of PMIE exposure on veterinary professionals so that accurate population comparisons can be made and changes measured over time.</p>","PeriodicalId":19322,"journal":{"name":"New Zealand veterinary journal","volume":" ","pages":"201-211"},"PeriodicalIF":1.4,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140870017","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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Correction. 更正。
IF 1.4 4区 农林科学
New Zealand veterinary journal Pub Date : 2024-07-01 Epub Date: 2024-04-30 DOI: 10.1080/00480169.2024.2349344
{"title":"Correction.","authors":"","doi":"10.1080/00480169.2024.2349344","DOIUrl":"10.1080/00480169.2024.2349344","url":null,"abstract":"","PeriodicalId":19322,"journal":{"name":"New Zealand veterinary journal","volume":" ","pages":"iii"},"PeriodicalIF":1.4,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140874753","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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