Recommendations for rehabilitation after surgical treatment of cranial cruciate ligament disease in dogs: A 2017 survey of veterinary practitioners     

Jennifer Eiermann BVSc  Kristin Kirkby-Shaw DVM  MS  PhD  DACVS-SA  DACVSMR  CCRT  Richard B. Evans PhD  Sebastian C. Knell Dr med vet  DECVS  Michael P. Kowaleski DVM  DACVS  DECVS  Philipp A. Schmierer Dr med vet  DECVS  Mary S. Bergh DVM  DACVS  DACVSMR  Jason Bleedorn DVM  MS  DACVS  Laura C. Cuddy MVB  MS  DACVS-SA  DECVS  DACVSMR  DECVSMR  MRCVS  Nina R. Kieves DVM  DACVS-SA  DACVSMR  CCRT  Peter Lotsikas DVM  DACVS  DACVSMR  Antonio Pozzi DVM  MS  DACVS  DECVS  DACVSMR 《Veterinary surgery : VS》2020,49(1):80-87

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Transposition of the common carotid artery in standing cattle     

Amelia S. Munsterman DVM  MS  PhD  DACVS  DACVECC  Sebastian I. Arriola Apelo MS  PhD  Kathryn M. Nelson DVM  MS  DACVIM 《Veterinary surgery : VS》2020,49(4):668-675

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Teaching small animal reproduction via virtual patients     

Lena Vogt  Veronica Duckwitz  Sebastian P. Arlt  Peggy Haimerl  Alexander Bartel  Claudia Hautzinger  Stephan Birk  Sebastian Haase  Mechthild Ladwig-Wiegard  Marcus G. Doherr 《Reproduction in domestic animals》2020,55(Z2):81-89

Virtual patients have become an interesting alternative in medical education. Due to increasing demands regarding theoretical and clinical teaching and to improve an interdisciplinary approach, a new blended learning concept including virtual patients was developed and implemented in the veterinary curriculum of the Freie Universität Berlin. In the presented project, three virtual patients from the field of canine reproduction were developed. They focus on pregnancy diagnosis with suspected luteal insufficiency, pyometra and benign prostatic hyperplasia, respectively. The results of an evaluation by veterinary students of the 7th semester showed a high acceptance of virtual patients in a blended learning reproduction module in the interdisciplinary lectures. Students especially preferred videos, such as video lectures, hands-on videos and animations as well as a glossary for background information, to successfully and autonomously work on a virtual case. The content covered by the new modules that were developed in the context of this project is part of a spiral curriculum; they will be revised and enhanced during the clinical year.  相似文献   

Limb‐sparing in dogs using patient‐specific,three‐dimensional‐printed endoprosthesis for distal radial osteosarcoma: A pilot study     

Bernard Sguin  Chris Pinard  Bertrand Lussier  Deanna Williams  Lynn Griffin  Brendan Podell  Sebastian Mejia  Anatolie Timercan  Yvan Petit  Vladimir Brailovski 《Veterinary and comparative oncology》2020,18(1):92-104

Limb‐sparing for distal radial osteosarcoma has a high rate of complications. Using personalized three‐dimensional (3D)‐printed implants might improve outcome. The goals of this study were to optimize use of patient‐specific, 3D‐printed endoprostheses for limb‐sparing in dogs in the clinical environment and to report the outcome. This was a pilot study where five client‐owned dogs were enrolled. Computed tomography (CT) of the thoracic limbs was performed, which was used to create patient‐specific endoprostheses and cutting guides, and repeated on the day of surgery. Intra‐arterial (IA) carboplatin was introduced in the clinical management. Limb‐sparing was performed. Outcome measures were time required to produce the endoprosthesis and cutting guide, fit between cutting guide and endoprosthesis with host bones, gait analysis, size of the tumour, percent tumour necrosis, complications, disease‐free interval (DFI) and survival time (ST). Four dogs received IA carboplatin. Excessive tumour growth between planning CT and surgery did not occur in any dog. The interval between the CT and surgery ranged from 14 to 70 days. Fit between the cutting‐guide and endoprosthesis with the host bones was good to excellent. At least one complication occurred in all dogs. Two dogs were euthanized with STs of 192 and 531 days. The other dogs were alive with a follow up of 534 to 575 days. IA chemotherapy is a promising strategy to minimize the risk of excessive tumour growth while waiting for the endoprosthesis and cutting‐guide to be made. The design of the cutting‐guide was critical for best fit of the endoprosthesis with host bones.  相似文献   

Seasonal development of above‐ and below‐ground organs of Trifolium pratense in grass–legume mixture on different soils          下载免费PDF全文

Lucie Chmelíková  Sebastian Wolfrum  Harald Schmid  Michal Hejcman  Kurt‐Jürgen Hülsbergen 《植物养料与土壤学杂志》2015,178(1):13-24

Grass–legume mixtures are suitable for crop rotations in organic farming. However, seasonal development of below‐ground organs of Trifolium pratense in mixtures and on different soils was neglected. We asked (1) how the diameter of the root neck, the maximum order of branching as well as (2) the nodule traits are affected by locality and time, and (3) how above‐ground plant traits of red clover vary in space and time. Red clover was investigated in grass–legume mixtures in the first year of vegetation. Five sites in S Germany were sampled at the day of cut at the end of May, the beginning of July, and at the end of August, respectively. Under similar climatic conditions root traits (diameter of the root neck, order of root branching, size of nodules, and proportion of senescent nodules) differed with soil conditions and time within the season. Root diameter increased during the season. Higher sand content fostered root branching and branched roots developed more nodules. Thinner roots had more active nodules (pink). Root diameter and non‐active senescent (green) or moribund (brown) nodules increased at the end of season. Nodule activity differed more according to season than to soil conditions. The number of nodules per plant (12.5–19.5) decreased from May to August. Cylindrical nodules were found on 85–100% of the plants and branched nodules only on 0–25%. The height of plants was lowest in May and increased in July. The mean number of stems per plant (3.3–6.3) was highest in August. Understanding red clover traits and N₂ fixation is interesting scientifically as well as agronomical. Organic and conventional farmers can both benefit of our findings.  相似文献   

First biogeographical survey of Artemia in Tanzania     

Frank Thomas Mlingi  Hieromin Amon Lamtane  Sebastian Wilson Chenyambuga  Ivar Lund 《Journal Of Applied Aquaculture》2020,32(3):278-290

ABSTRACT

In an Artemia survey conducted along the coast of Tanzania between March and July 2017, 32 salt pans in Tanga, Dar es salaam, Pwani, Lindi, and Mtwara were assessed. Of all visited salt pans, 16 (50%) had either Artemia biomass or cysts or both. Body length ranged from 4.0 mm to 9.5 mm, while the mean and modal lengths were 6.2 mm and 6.0 mm, respectively. Temperature ranged from 27.2°C to 48.7°C, salinity from 20 g L^?1 to >140 g L^?1, pH from 5.8 to 7.8, dissolved oxygen (DO) from 3.1 mg L^?1 to 4.9 mg L^?1, water depth from 10 cm to 75 cm and conductivity from 42.0 ms cm^?1 to 176.6 ms cm^?1. A bisexual population of Artemia franciscana is suggested. Observed cyst states included concave, biconcave, spherical and cracking cysts. This is the first to report on the occurrence of Artemia in Tanzania.  相似文献   

Diurnal patterns of water use in Eucalyptus victrix indicate pronounced desiccation-rehydration cycles despite unlimited water supply     

Pfautsch S  Keitel C  Turnbull TL  Braimbridge MJ  Wright TE  Simpson RR  O'Brien JA  Adams MA 《Tree physiology》2011,31(10):1041-1051

Knowledge about nocturnal transpiration (E(night)) of trees is increasing and its impact on regional water and carbon balance has been recognized. Most of this knowledge has been generated in temperate or equatorial regions. Yet, little is known about E(night) and tree water use (Q) in semi-arid regions. We investigated the influence of atmospheric conditions on daytime (Q(day)) and nighttime water transport (Q(night)) of Eucalyptus victrix L.A.S. Johnson & K.D. Hill growing over shallow groundwater (not >1.5 m in depth) in semi-arid tropical Australia. We recorded Q(day) and Q(night) at different tree heights in conjunction with measurements of stomatal conductance (g(s)) and partitioned E(night) from refilling processes. Q of average-sized trees (200-400 mm diameter) was 1000-3000 l month(-1), but increased exponentially with diameter such that large trees (>500 mm diameter) used up to 8000 l month(-1). Q was remarkably stable across seasons. Water flux densities (J(s)) varied significantly at different tree heights during day and night. We show that g(s) remained significantly different from zero and E(night) was always greater than zero due to vapor pressure deficits (D) that remained >1.5 kPa at night throughout the year. Q(night) reached a maximum of 50% of Q(day) and was >0.03 mm h(-1) averaged across seasons. Refilling began during afternoon hours and continued well into the night. Q(night) eventually stabilized and closely tracked D(night). Coupling of Q(night) and D(night) was particularly strong during the wet season (R2?=?0.95). We suggest that these trees have developed the capacity to withstand a pronounced desiccation-rehydration cycle in a semi-arid environment. Such a cycle has important implications for local and regional hydrological budgets of semi-arid landscapes, as large nighttime water fluxes must be included in any accounting.  相似文献   

Biomechanical comparison after in vitro laminar vertebral stabilization and vertebral body plating of the first and second lumbar vertebrae in specimens obtained from canine cadavers     

Knell SC  Bürki A  Hurter K  Ferguson SJ  Montavon PM 《American journal of veterinary research》2011,72(12):1681-1686

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Rapid monitoring of species abundance for biodiversity conservation: Consistency and reliability of the MacKinnon lists technique     

Ross MacLeod  Sebastian K. Herzog  Aidan Maccormick  Steven R. Ewing  Rosalind Bryce  Karl L. Evans 《Biological conservation》2011,(5):1374-1381

Effective monitoring of biodiversity for conservation requires information on spatial and temporal variation in species’ abundances. As conservation resources are limited, monitoring methods are required that enable rapid and cost effective data collection. There are many traditional methods of estimating absolute abundance, such as territory mapping and distance sampling. However, these typically require more time, expertise and finances than are available across much of the globe. This is especially so in the tropics, where high species richness, low densities of many species and structurally complex environments also make monitoring particularly challenging. The MacKinnon lists technique is a rapid assessment methodology designed for use in species rich environments. This method is typically used to estimate species richness, but it has also been suggested that it can generate consistent abundance indices, even when observer experience and environmental conditions vary. If this suggestion is correct, the MacKinnon lists method could be used to assess spatial or temporal changes in abundance using diverse survey data. Here, we provide the first detailed assessment of intra- and inter-observer consistency of the Mackinnon List method in generating species abundance indices that could be useful for conservation monitoring purposes. As a case study, we use one of the world’s most diverse avifaunas, that of the forested Bolivian Andes. We show that MacKinnon lists can provide species abundance indices that are consistent between observers of markedly different experience of the focal avifauna (zero to six years), and between assessments carried out in different stages of the breeding season, between which detectability of individuals differed significantly. We believe this is the first time that a biodiversity monitoring method has been demonstrated to produce consistent abundance indices for a highly diverse avian tropical assemblage. We also suggest that the MacKinnon lists methodology has the potential to be a very useful conservation monitoring tool for many taxa in species rich environments, such as the tropics.  相似文献   

Screw Loosening and Pelvic Canal Narrowing After Lateral Plating of Feline Ilial Fractures With Locking and Nonlocking Plates          下载免费PDF全文

Philipp A. Schmierer med vet  Patrick R. Kircher Dr. med vet  Diplomate ECVDI  Sonja Hartnack Dr. med vet  Diplomate ECVPH  Sebastian C. Knell Dr. med vet  Diplomate ECVS 《Veterinary surgery : VS》2015,44(7):900-904

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