Canadian Veterinary Journal-revue Veterinaire Canadienne最新文献_第4页

IF 1 4区农林科学

Canadian Veterinary Journal-revue Veterinaire Canadienne Pub Date : 2025-09-01

George Thelwell, Marina L Leis

引用次数: 0

Ewe litter size and lamb birth weight: Effects on lamb health, performance, and carcass traits. 母羊产仔数和羔羊初生重：对羔羊健康、生产性能和胴体性状的影响。

IF 1 4区农林科学

Canadian Veterinary Journal-revue Veterinaire Canadienne Pub Date : 2025-08-01

Joyce Van Donkersgoed

{"title":"Ewe litter size and lamb birth weight: Effects on lamb health, performance, and carcass traits.","authors":"Joyce Van Donkersgoed","doi":"","DOIUrl":"","url":null,"abstract":"Objective: A retrospective analysis was conducted using data from a large commercial sheep operation to determine if selection for larger litter sizes affected lamb birth weight, health, and performance.Animals and procedure: Data on lamb health, performance, and carcass traits were collected during 2 vaccine trials conducted at a large commercial sheep operation. Data from each trial were analyzed for simple associations between ewe litter size, lamb birth weight, and lamb health, growth performance, and carcass traits.Results: Increased litter size was associated with decreased lamb birth weight, and both were associated with higher mortality rates, including starvation and enteritis, and poorer growth performance and carcass traits.Conclusion and clinical relevance: Increasing ewe prolificacy can reduce lamb birth weight, growth performance, and carcass traits and increase mortality losses. Veterinarians and sheep producers should consider the negative effects of selecting breeds with very large litter sizes when trying to optimize the production of lamb meat per ewe per year.","PeriodicalId":9429,"journal":{"name":"Canadian Veterinary Journal-revue Veterinaire Canadienne","volume":"66 8","pages":"911-914"},"PeriodicalIF":1.0,"publicationDate":"2025-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12330791/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144815792","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Sequestrum post-tibial plateau leveling osteotomy treated with debridement and vancomycin-impregnated calcium sulfate beads in a dog. 清创术联合万古霉素浸渍硫酸钙珠治疗犬胫骨平台后平截骨1例。

IF 1 4区农林科学

Canadian Veterinary Journal-revue Veterinaire Canadienne Pub Date : 2025-08-01

Allison M Groff, Peter J Welsh, Bettina R M Darveshi, Tina J Owen

{"title":"Sequestrum post-tibial plateau leveling osteotomy treated with debridement and vancomycin-impregnated calcium sulfate beads in a dog.","authors":"Allison M Groff, Peter J Welsh, Bettina R M Darveshi, Tina J Owen","doi":"","DOIUrl":"","url":null,"abstract":"A 9-year-old neutered male German shepherd dog was presented because of a left pelvic-limb lameness and chronic draining tracts along the distomedial left stifle at 3 mo post-tibial plateau leveling osteotomy (TPLO) plate explantation. Tibial plateau leveling osteotomy was completed 9 mo before presentation. Bone imaging, surgical, and histopathologic evidence supported the development of a bone sequestrum at the surgical site. Culture and sensitivity assessment of the draining tracts indicated that the dog had developed a methicillin-resistant Staphylococcus pseudintermedius infection. The bone sequestrum was surgically debrided and vancomycin-impregnated calcium sulfate beads were packed into the resultant bony defect. At mid- and long-term follow-ups, the chronic infection and draining tracts had resolved. The dog recovered well with bony remodeling of the surgical site. Key clinical message: This case report describes the diagnosis and successful surgical management of an S. pseudintermedius-infected bone sequestrum at a TPLO site. Bone sequestrum and comprehensive antimicrobial management should be considered in the TPLO patient with chronically draining tracts post-implant removal. Increased awareness and appropriate treatment of bone sequestra and complicated infections can improve patient outcomes.","PeriodicalId":9429,"journal":{"name":"Canadian Veterinary Journal-revue Veterinaire Canadienne","volume":"66 8","pages":"854-861"},"PeriodicalIF":1.0,"publicationDate":"2025-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12330765/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144815843","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Clinical and diagnostic comparisons of bovine foot rot and bovine digital dermatitis lesions and management differences in feedlot cattle in Alberta. 阿尔伯塔省饲养场牛的牛足腐病和牛数字性皮炎病变的临床和诊断比较以及管理差异。

IF 1 4区农林科学

Canadian Veterinary Journal-revue Veterinaire Canadienne Pub Date : 2025-08-01

Susan Pyakurel, Lithira Amarajeewa, Cameron Greig Knight, Angelica Petersen Dias, Karin Orsel

{"title":"Clinical and diagnostic comparisons of bovine foot rot and bovine digital dermatitis lesions and management differences in feedlot cattle in Alberta.","authors":"Susan Pyakurel, Lithira Amarajeewa, Cameron Greig Knight, Angelica Petersen Dias, Karin Orsel","doi":"","DOIUrl":"","url":null,"abstract":"Background: Bovine foot rot (BFR) and bovine digital dermatitis (BDD) are infectious foot lesions with overlapping clinical features that complicate diagnosis.Objective: Our objective was to differentiate BFR and BDD using quantitative and qualitative techniques. Populations of BFR- and BDD-associated bacteria were compared across sampling strategies, histopathological features described, and risk factors assessed via surveys.Animals and procedure: Lame cattle were assessed and bacteria in punch biopsy samples (PB-samples), swabs, and subcutaneous samples (SC-samples) were quantified using quantitative real-time PCR. In addition, PB-samples were used for hematoxylin and eosin and Warthin-Faulkner staining. Feedlot records and producer surveys captured risk factors and producers' opinions on management practices.Results: Swabs and SC-samples had varying bacterial abundances compared to PB-samples. Histopathology and risk factors were not diagnostic for BFR versus BDD.Conclusion and clinical relevance: Higher bacterial loads in swabs compared to PB-samples suggested careful consideration of their use as an alternative to punch biopsies in studying BFR and BDD. Furthermore, histology did not differentiate these diseases. Fusobacterium spp. population differences in dermis and SC-samples could indicate distinct, species-level roles in BFR pathogenesis. In addition, risk factors such as weight and lameness scores could not distinguish between BFR and BDD.","PeriodicalId":9429,"journal":{"name":"Canadian Veterinary Journal-revue Veterinaire Canadienne","volume":"66 8","pages":"892-902"},"PeriodicalIF":1.0,"publicationDate":"2025-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12330794/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144815789","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

A case of suspected malignant hyperthermia in a dog. 犬疑似恶性高热症一例。

IF 1 4区农林科学

Canadian Veterinary Journal-revue Veterinaire Canadienne Pub Date : 2025-08-01

Chi Won Shin, Barbara Ambros

{"title":"A case of suspected malignant hyperthermia in a dog.","authors":"Chi Won Shin, Barbara Ambros","doi":"","DOIUrl":"","url":null,"abstract":"A 9-month-old, intact male Siberian husky mixed-breed dog weighing 14.7 kg was referred because of right hind-limb lameness. A right femoral head ostectomy was performed. The dog was premedicated with intravenous (IV) dexmedetomidine and methadone. Anesthesia was induced with IV ketamine and propofol and maintained with isoflurane in oxygen delivered through a rebreathing circuit. Two hours after inhalant anesthesia was started, hyperthermia, hypercapnia, tachypnea, and tachycardia were observed. An acute malignant hyperthermia (MH) crisis was suspected. Isoflurane was discontinued and a propofol total IV anesthesia was started, minute ventilation was increased, active cooling was implemented, and IV dantrolene was administered. The dog remained stable overnight and was discharged on the following day. Six weeks later, the dog was anesthetized for femoral head ostectomy revision and to be neutered. A propofol total IV anesthesia protocol was implemented and O2 was supplied using a T-piece breathing circuit connected to an O2 tank. Anesthesia was unremarkable and the dog recovered uneventfully. In dogs, MH is a life-threatening emergency caused by an autosomal dominant mutation in the ryanodine receptor 1 gene. All dogs exposed to a triggering agent are at potential risk. An unexpected tachycardia and hypercapnia despite appropriate minute ventilation, as well as exclusion of other causes, should lead clinicians to suspect MH and initiate treatment. Discontinuing the triggering agent and administering dantrolene can help control the hypermetabolic reaction. Key clinical message: This report describes a case in which an acute MH crisis was suspected in a dog during inhalant anesthesia.","PeriodicalId":9429,"journal":{"name":"Canadian Veterinary Journal-revue Veterinaire Canadienne","volume":"66 8","pages":"868-873"},"PeriodicalIF":1.0,"publicationDate":"2025-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12330792/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144815785","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

A pilot study evaluating the feasibility of blend electrolysis for hair removal in dogs. 一项初步研究，评估混合电解去除狗毛的可行性。

IF 1 4区农林科学

Canadian Veterinary Journal-revue Veterinaire Canadienne Pub Date : 2025-08-01

Ekaterina Mendoza-Kuznetsova, Tim Chan

{"title":"A pilot study evaluating the feasibility of blend electrolysis for hair removal in dogs.","authors":"Ekaterina Mendoza-Kuznetsova, Tim Chan","doi":"","DOIUrl":"","url":null,"abstract":"Objective: This study investigated the feasibility and effectiveness of blend electrolysis for hair removal in dogs.Animals: We studied 3 healthy adult laboratory beagles.Procedure: Small areas of palmar interdigital skin on the paws were treated with electrolysis using 6 procedures within 3 mo. The procedures were conducted under mild sedation and local anesthesia with lidocaine. Hair coat density was subjectively assessed by comparing pre-treatment dermoscopic images of the same areas.Results: The average procedure time was 55 min. There were minimal complications. The procedures were well tolerated and resulted in either reduced hair density or complete alopecia. This effect persisted for at least 3 mo following the last treatment. One dog, examined 21 mo after treatment, exhibited a minimally distinguishable hypotrichotic area with slightly shorter and sparser hair.Conclusion: Blend electrolysis is a feasible, though time-intensive, method for temporary hair removal in dogs.Clinical relevance: Further research is required to investigate the efficacy and effort-to-result ratio of this method for permanent hair removal in dogs of different breeds and across different body areas.","PeriodicalId":9429,"journal":{"name":"Canadian Veterinary Journal-revue Veterinaire Canadienne","volume":"66 8","pages":"915-919"},"PeriodicalIF":1.0,"publicationDate":"2025-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12330793/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144815786","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Adaptability is an essential skill in the modern veterinary curriculum. 适应能力是现代兽医课程中的一项基本技能。

IF 1 4区农林科学

Canadian Veterinary Journal-revue Veterinaire Canadienne Pub Date : 2025-08-01

James C Cross

引用次数: 0

Antimicrobial use in animals: When more might be better. 动物抗菌药物的使用：越多越好。

IF 1 4区农林科学

Canadian Veterinary Journal-revue Veterinaire Canadienne Pub Date : 2025-08-01

J Scott Weese

引用次数: 0

Sarolaner/selamectin spot-on: An effective treatment of generalized demodicosis due to Demodex cati in a cat. Sarolaner/selamectin斑点：有效治疗猫蠕形螨引起的广泛性蠕形螨病。

IF 1 4区农林科学

Canadian Veterinary Journal-revue Veterinaire Canadienne Pub Date : 2025-08-01

Bijan Ziaieardestani, Brenda Kolebaba, Carmel Hauck, Soulmaz Naserli

{"title":"Sarolaner/selamectin spot-on: An effective treatment of generalized demodicosis due to Demodex cati in a cat.","authors":"Bijan Ziaieardestani, Brenda Kolebaba, Carmel Hauck, Soulmaz Naserli","doi":"","DOIUrl":"","url":null,"abstract":"Feline demodicosis is a rare parasitic skin disease. The clinical signs, which may range from mild and localized to severe and generalized, include alopecia, erythema, macules, pruritus, and hyperpigmentation. Although many studies have evaluated the safety and efficacy of different miticidal agents for canine demodicosis, there have been no controlled or conclusive studies on feline infection. Recommended medications for cats include organophosphates, lime sulfur, some macrocylic lactones, and isoxazolines, which may be administered as rinse, injection, oral or spot-on formulations. Most of these treatments are poorly tolerated by cats and have been associated with some adverse effects leading to treatment failure. Isoxazolines including sarolaner and fluralaner were introduced to veterinary medicine in 2014 and have gained remarkable popularity due to the rare occurrence of side effects with these treatments. However, literature reviews reveal only a few published reports of the effectiveness of this medication class on Demodex infestation in cats. To the authors' knowledge, this case report documents the first successful treatment of the generalized form of demodicosis caused by D. cati in a cat achieved with 2 monthly doses of topical application of sarolaner-selamectin combination. This may be a useful reference for practitioners. Key clinical message: There is no consensus on an ideal treatment for feline demodicosis due to lack of published data in cats. This report provides support for sarolaner/selamectin spot-on treatment (Revolution Plus; Zoetis) as an effective, safe, and practical treatment for Demodex mange in cats.","PeriodicalId":9429,"journal":{"name":"Canadian Veterinary Journal-revue Veterinaire Canadienne","volume":"66 8","pages":"843-846"},"PeriodicalIF":1.0,"publicationDate":"2025-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12330753/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144815842","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Transcutaneous electrocardioversion for treatment of atrial fibrillation and congestive heart failure in a Nubian wether. 经皮电复治疗努比亚地区心房颤动和充血性心力衰竭。

IF 1 4区农林科学

Canadian Veterinary Journal-revue Veterinaire Canadienne Pub Date : 2025-08-01

Megan Palmisano, Laurence Leduc, Amanda Avison, Sarah Rassler, Klaus Hopster, JoAnn Slack

{"title":"Transcutaneous electrocardioversion for treatment of atrial fibrillation and congestive heart failure in a Nubian wether.","authors":"Megan Palmisano, Laurence Leduc, Amanda Avison, Sarah Rassler, Klaus Hopster, JoAnn Slack","doi":"","DOIUrl":"","url":null,"abstract":"We describe the novel treatment of idiopathic atrial fibrillation (AF) and congestive heart failure (CHF) in a 10-year-old Nubian wether presented because of suspected hepatopathy. Physical examination findings, including irregularly irregular rhythm, tachycardia, bilateral jugular venous distention and pulsation, and ventral edema, raised concerns for primary cardiac disease. Findings of the echocardiogram, electrocardiogram, and ultrasound examinations supported the diagnosis of AF and CHF. Treatment was initially directed at rate control using β-blockers and fluid management (effusion and edema) using furosemide. Transcutaneous electrocardioversion (TCEC) was subsequently conducted under general anesthesia. Successful conversion to normal sinus rhythm was achieved with a single synchronized shock (1.25 J/kg = 100 joules). The wether remained in sinus rhythm with resolution of the CHF at a 2-month follow-up. This is the first report of successful treatment of AF and secondary CHF in a small ruminant using pharmacologic rate control, diuresis, and TCEC. Key clinical message: Management and successful treatment of AF and CHF is possible in small ruminants through intravenous heart rate control and TCEC. Treatment options for heart failure and cardiac disease are limited in ruminants. Further investigations to better understand the pharmacokinetics and dynamics of commonly used cardiac medications in ruminants are warranted.","PeriodicalId":9429,"journal":{"name":"Canadian Veterinary Journal-revue Veterinaire Canadienne","volume":"66 8","pages":"874-882"},"PeriodicalIF":1.0,"publicationDate":"2025-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12330795/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144815844","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0