Pancarpal and partial carpal arthrodesis with 3 locking compression plates in 6 horses          下载免费PDF全文

Alexandra L. Curtiss VMD  Laurie R. Goodrich DVM  PhD  DACVS  Fabrice Rossignol DMV  DECVS  Dean W. Richardson DVM  DACVS 《Veterinary surgery : VS》2018,47(5):692-704

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Computed tomographic diagnosis of necroulcerative reticulorumenitis with portal venous gas in a lamb     

Alexandra G. Collins-Webb  Robert Bildfell  Lauren Newsom 《The Canadian veterinary journal. La revue veterinaire canadienne》2021,62(7):755

A 2-month-old, intact male Merino sheep was presented for acute inappetence and pyrexia. Contrast-enhanced abdominal computed tomography identified reticulorumenal intramural gas with suspected ruminal ulceration, arborizing portal venous gas, and mild peritoneal fluid. The lamb was treated medically for presumptive ulcerative reticulorumenitis and non-septic peritonitis. Over 10 days, the lamb initially showed mild improvement before clinical deterioration and was ultimately euthanized. Definitive diagnosis of necrotizing, ulcerative reticulorumenitis was made via necropsy with histopathology. An underlying cause was not determined.Key clinical message:Contrast-enhanced computed tomography was effective in identifying gastric emphysema and portal venous gas associated with reticuloruminal ulceration.  相似文献   

Effect of feed deprivation on daily water consumption in healthy horses     

David E. Freeman  Alexandra Mooney  Steeve Giguère  Jami Claire  Chloe Evetts  Patricia Diskant 《Equine veterinary journal》2021,53(1):117-124

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Effects of perioperative saphenous and sciatic nerve blocks,lumbosacral epidural or morphine–lidocaine–ketamine infusion on postoperative pain and sedation in dogs undergoing tibial plateau leveling osteotomy     

Alexandra B. Kalamaras  Turi K. Aarnes  Sarah A. Moore  Stephen C. Jones  Carolina Ricco Pereira  Juan Peng  Nina R. Kieves 《Veterinary anaesthesia and analgesia》2021,48(3):415-421

ObjectiveTo compare the quality of postoperative analgesia and sedation after preoperative saphenous and sciatic nerve blockade, preoperative lumbosacral epidural injection and perioperative intravenous (IV) morphine, lidocaine and ketamine infusions in dogs undergoing stifle arthroscopy and tibial plateau leveling osteotomy (TPLO) under general anesthesia.Study designProspective, blinded, randomized, clinical comparison study.AnimalsA total of 45 dogs weighing 33.9 (15.9–56.7) kg and aged 5.2 (1.0–12.0) years, mean (range), undergoing elective unilateral TPLO for spontaneous cranial cruciate ligament rupture.MethodsClient-owned dogs were enrolled. Dogs were randomly assigned to one of three groups: group MLK, perioperative IV morphine, lidocaine and ketamine infusion; group EPID, lumbosacral epidural with ropivacaine and morphine; or group SSNB, saphenous and sciatic nerve blockade with ropivacaine. Routine stifle arthroscopy followed by TPLO surgery was performed. Sedation and pain scores were assessed at 0, 2, 4, 8 and 24 hours following extubation. Rescue analgesia was administered as prescribed by Glasgow composite pain score–short form score >5.ResultsSedation scores for MLK were higher than EPID and SSNB. Pain scores for SSNB were lower than those for EPID and MLK. No significant differences were found in anesthesia duration or surgery duration among groups. No dogs required rescue analgesia.Conclusions and clinical relevanceAlthough analgesia was adequate in all groups, the best combination of analgesia without increased sedation was recorded for SSNB.  相似文献   

Twenty years later: a single‐centre,repeat retrospective analysis of equine perioperative mortality and investigation of recovery quality          下载免费PDF全文

Alexandra HA Dugdale  Jessica Obhrai  Peter J Cripps 《Veterinary anaesthesia and analgesia》2016,43(2):171-178

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Perioperative trends in plasma colloid osmotic pressure in horses undergoing surgery          下载免费PDF全文

Alexandra G. Raftery MA  VetMB  Ruth A. Morgan MA  VetMB  DECEIM  Paul D. MacFarlane BVSc  DECVAA 《Journal of Veterinary Emergency and Critical Care》2016,26(1):93-100

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Diagnosis and treatment of a selective immunoglobulin M glomerulonephropathy in a quarter horse gelding     

Mcsloy A  Poulsen K  Fisher PJ  Armien A  Chilton JA  Peek S 《Journal of veterinary internal medicine / American College of Veterinary Internal Medicine》2007,21(4):874-877

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Benign mixed Müllerian (duct) vaginal tumor in a 12-y-old goat     

Svenja Hartung  Elfi K. Schlohsarczyk  Alexandra Jost  Marlene Sickinger  Kernt Khler 《Journal of veterinary diagnostic investigation》2022,34(2):298

In human and veterinary medicine, mixed Müllerian tumors (MMTs) are rarely diagnosed neoplasms of the tubular female genital tract. Although there are case reports of malignant MMTs in various species, benign MMTs have only been described once in a macaque. Here we present a case of benign MMT in a 12-y-old goat, and review the literature on uterine, cervical, and vaginal neoplasia in goats. The doe was presented with vaginal discharge and was euthanized because of the high suspicion of intraabdominal neoplasia. On gross examination, an ulcerated vaginal mass was identified. Histologically, 2 distinct cell populations were present: smooth muscle cells that were well differentiated and positive for alpha–smooth muscle actin, and ciliated columnar epithelial cells that lined ductal structures and had no signs of malignancy. These findings led to the diagnosis of neoplasia of Müllerian origin. Benign MMT should be considered as a differential diagnosis for uterine and vaginal neoplasms in goats.  相似文献   

Effects of density on growth and survival of juvenile Red Swamp Crayfish, Procambarus clarkii (Girard), reared under laboratory conditions   总被引：2，自引：0，他引：2  

Ricardo Oliveira Ramalho  Alexandra Marçal Correia  & Pedro Manuel Anastácio 《Aquaculture Research》2008,39(6):577-586

The aim of this study was to quantify the importance of population density on the growth and survival of juvenile red swamp crayfish, Procambarus clarkii (Girard), and to understand the effects of density on both the period between moults and the increment per moult at high densities without food limitation. A laboratory experiment was performed to determine growth and survival of juvenile crayfish at five densities (20, 40, 60, 80 and 100 crayfish m^?2). Density clearly affected crayfish growth. The impact of density on final weight was higher than on total length increase, growth rate and final length (FL) (by decreasing order of effect). When comparing minimum and maximum densities, we observed that FL suffered a 34% reduction. Number of moults, mean intermoult period (IP) and survival were not significantly affected by density. Our results indicated that the IP and the percentage of increment per moult are affected by the size of crayfish before moult and we provide equations for these relations. Our findings are relevant both for crayfish aquaculture management and for the management of wild or harvested rice‐field crayfish populations.  相似文献   

Inter‐specific variability in organic nitrogen uptake of three temperate grassland species     

Alexandra Weigelt  Rosalind King  Roland Bol  Richard D. Bardgett 《植物养料与土壤学杂志》2003,166(5):606-611

We tested the inter‐specific variability in the ability of three dominant grasses of temperate grasslands to take up organic nitrogen (N) in the form of amino acids in soils of differing fertility. Amino acid uptake was determined by injecting dual labeled glycine‐2‐¹³C‐¹⁵N into the soil, and then measuring the enrichment of both ¹³C and ¹⁵N in plant tissue after 50 hours. We found enrichment of both ¹³C and ¹⁵N in root and shoot material of all species in both soils, providing first evidence for direct uptake of glycine. We show that there was considerable inter‐specific variability in amino acid uptake in the low fertility soil. Here, direct uptake of amino acid was greater in the grass Agrostis capillaris, which typically dominates low fertility grassland, than Lolium perenne, which inhabits more fertile sites. Direct uptake of amino acid for Holcus lanatus. was intermediate between the above two species. Unlike in the low fertility soil, there was no difference in uptake of either ¹³C or ¹⁵N by grasses in the high fertility soil, where uptake of mineral N is thought to be the major mechanism of N uptake of these grasses. Overall, our findings may contribute to our understanding of differences in competitive interactions between grasses in soils of different fertility status.  相似文献