Buzzing the Literature     

Michelle Solga 《Herpetological Monographs》2011,33(3):42-44

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One-stage prothrombin time, activated partial thromboplastin time, thrombin time, fibrin degradation product concentration, and antithrombin activity in healthy adult alpacas     

House AM  Barton MH  Williamson LH 《Veterinary clinical pathology / American Society for Veterinary Clinical Pathology》2011,40(2):195-197

Background: Alpacas are increasingly presented to veterinarians for evaluation and care. Reports of alpaca reference intervals for one‐stage prothrombin time (PT), activated partial thromboplastin time (aPTT), thrombin time (TT), concentration of fibrin degradation products (FDP), and antithrombin (AT) activities are scarce or nonexistent. Objective: The aim of this study was to determine values for blood coagulation times (PT, aPTT, and TT), FDP concentrations, and AT activities in healthy adult alpacas. Methods: Of blood samples collected from 35 clinically healthy adult alpacas via jugular venipuncture and placed into sodium citrate and FDP tubes, 29 samples were assayable for coagulation testing. PT, aPTT, and TT were determined by physical (mechanical) clot detection; AT activity was determined using a thrombin‐specific chromogenic substrate end‐point assay; and FDP concentrations were determined by the slide agglutination method. Results: Median values and ranges (minimum–maximum) were determined for PT (8.7 seconds, 6.6–11.2 seconds), aPTT (17.3 seconds, 11.9–22.5 seconds), TT (10.2 seconds, 5.4–16.0 seconds), and AT activity (123.3%, 104.8–144.2%). The mean concentration of FDP was <8 μg/mL. Conclusion: These values for coagulation times, FDP concentration, and AT activity will provide a useful starting point in the diagnostic evaluation of ill adult alpacas.  相似文献   

Definitive‐intent intensity‐modulated radiation therapy provides similar outcomes to those previously published for definitive‐intent three‐dimensional conformal radiation therapy in dogs with primary brain tumors: A multi‐institutional retrospective study     

Nathaniel Van Asselt  Neil Christensen  Valeria Meier  Carla Rohrer Bley  Sarah Laliberte  Valerie J. Poirier  Noopur Desai  Yi Chen  Michelle Turek 《Veterinary radiology & ultrasound》2020,61(4):481-489

Radiotherapy with or without surgery is a common choice for brain tumors in dogs. Although numerous studies have evaluated use of three‐dimensional conformal radiotherapy, reports of definitive‐intent, IMRT for canine intracranial tumors are lacking. Intensity‐modulated radiation therapy has the benefit of decreasing dose to nearby organs at risk and may aid in reducing toxicity. However, increasing dose conformity with IMRT calls for accurate target delineation and daily patient positioning, in order to decrease the risk of a geographic miss. To determine survival outcome and toxicity, we performed a multi‐institutional retrospective observational study evaluating dogs with brain tumors treated with IMRT. Fifty‐two dogs treated with fractionated, definitive‐intent IMRT at four academic radiotherapy facilities were included. All dogs presented with neurologic signs and were diagnosed via MRI. Presumed radiological diagnoses included 37 meningiomas, 12 gliomas, and one peripheral nerve sheath tumor. One dog had two presumed meningiomas and one dog had either a glioma or meningioma. All dogs were treated in the macroscopic disease setting and were prescribed a total dose of 45‐50 Gy (2.25‐2.5 Gy per fraction in 18‐20 daily fractions). Median survival time for all patients, including seven cases treated with a second course of therapy was 18.1 months (95% confidence of interval 12.3‐26.6 months). As previously described for brain tumors, increasing severity of neurologic signs at diagnosis was associated with a worse outcome. Intensity‐modulated radiation therapy was well tolerated with few reported acute, acute delayed, or late side effects.  相似文献   

Successful tracheoscopy‐assisted reconstruction of traumatic tracheal avulsion in a cat     

Michelle R. Joffe  Christopher J. Tan  Lara A. Boland  Joanna L. Pilton  Mara C. Hickey 《Journal of Veterinary Emergency and Critical Care》2020,30(4):467-473

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Comparison of different intracellular cryoprotectants on the solid surface vitrification of red-rumped agouti (Dasyprocta Leporina Lichtenstein, 1823) ovarian tissue     

Érica Camila G. Praxedes  Gabriela L. Lima  Andréia M. da Silva  Lívia B. Campos  Carla Michelle P. de Souza  Samara Sandy J. Moreira  Moacir F. de Oliveira  Alexandre R. Silva 《Reproduction in domestic animals》2020,55(2):154-161

In contributing to the conservation of wild rodents, the aim of this study was to evaluate the use of distinct cryoprotectants, separately or in combination, for solid surface vitrification (SSV) of red-rumped agouti ovarian tissue. Ovarian cortex from nine females was recovered and fragmented. Fresh fragments (control) were used to analyse the pre-antral follicle (PF) morphology using a histologic procedure, viability using the Trypan blue test, cell proliferation by counting the argyrophilic nucleolar organizing regions (Ag-NORs technique) and DNA integrity using the TUNEL assay. The remaining fragments were vitrified using SSV method with 3 M or 6 M ethylene glycol (EG) or dimethyl sulfoxide (DMSO), or in combination (3 M EG/3 M DMSO), and further evaluated as reported for the fresh samples. All cryoprotectants were effective at preserving PFs morphology compared to the control group (80.7 ± 5.21%), except 6 M EG and 3 M DMSO that provoked a significant (p < .05) decrease on the values of morphologically normal primary (60.0 ± 19.0%) and primordial (44 ± 4.5%) follicles, respectively. Regarding viability, all cryoprotectants provided values similar to that verified for the control group (79.0%), but a significant decrease (p < .05) was observed with EG/DMSO combination (59%). Using Ag-NORs technique, the highest (p < .05) cell proliferative capacity was detected when using EG at each tested concentration. The TUNEL proved the preservation of DNA integrity regardless of the cryoprotectant. In summary, we suggest the use of 3 M EG for the solid surface vitrification of red-rumped agouti ovarian tissue.  相似文献   

Perceptions and experience of veterinary surgery residents with minimally invasive surgery simulation training     

Ingrid M. Balsa DVM  DACVS-SA  Michelle A. Giuffrida VMD  DACVS  William T. N. Culp VMD  DACVS  Philipp D. Mayhew BVM&S  DACVS 《Veterinary surgery : VS》2020,49(Z1):O21-O27

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A systematic review of criteria used to report complications in soft tissue and oncologic surgical clinical research studies in dogs and cats     

Christelle M. Follette DVM  Michelle A. Giuffrida VMD  MSCE  DACVS  Ingrid M. Balsa DVM  MEd  DACVS  William T. N. Culp VMD  DACVS  Philipp D. Mayhew BVM&S  DACVS  Michelle L. Oblak DVM  DVSc  DACVS  Ameet Singh DVM  DVSc  DACVS  Michele A. Steffey DVM  DACVS 《Veterinary surgery : VS》2020,49(1):61-69

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Chitosan-based agent use for hemostasis after cryptorchidectomy in a horse     

Michelle L. Tucker DVM  David G. Wilson DVM  DACVS  Spencer M. Barber DVM  DACVS 《Veterinary surgery : VS》2020,49(4):758-763

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Technological Advances to Address Current Issues in Entomology: 2020 Student Debates     

Lina Bernaola  Molly Darlington  Kadie Britt  Patricia Prade  Morgan Roth  Adrian Pekarcik  Michelle Boone  Dylan Ricke  Anh Tran  Joanie King  Kelly Carruthers  Morgan Thompson  John J Ternest  Sarah E Anderson  Scott W Gula  Kayleigh C Hauri  Jacob R Pecenka  Sajjan Grover  Heena Puri  Surabhi Gupta Vakil 《Journal of insect science (Online)》2021,21(2)

The 2020 Student Debates of the Entomological Society of America (ESA) were live-streamed during the Virtual Annual Meeting to debate current, prominent entomological issues of interest to members. The Student Debates Subcommittee of the National ESA Student Affairs Committee coordinated the student efforts throughout the year and hosted the live event. This year, four unbiased introductory speakers provided background for each debate topic while four multi-university teams were each assigned a debate topic under the theme ‘Technological Advances to Address Current Issues in Entomology’. The two debate topics selected were as follows: 1) What is the best taxonomic approach to identify and classify insects? and 2) What is the best current technology to address the locust swarms worldwide? Unbiased introduction speakers and debate teams began preparing approximately six months before the live event. During the live event, teams shared their critical thinking and practiced communication skills by defending their positions on either taxonomical identification and classification of insects or managing the damaging outbreaks of locusts in crops.  相似文献   

Nutrient Contribution and Release Kinetics of Vermicompost Amended Pine Bark     

Michelle S. McGinnis  Michael G. Wagger  Stuart L. Warren  Ted E. Bilderback 《Compost science & utilization》2013,21(2):97-104

The composting of organic waste materials using earthworms yields the value-added product vermicompost (VC). The use of VC as a growing substrate amendment for containerized horticultural crop production is a sustainable nutrient management approach which can benefit crop production by providing plant nutrients and improving crop growth. In order to provide nutrient management guidelines for users of VC amended container substrates, a study was conducted to quantify nutrients supplied to substrates solution and to develop nutrient release kinetic models to predict plant available nutrient based on total initial loading rates. Experimental treatments and results were expressed on a volume basis (4-L container) for easy interpretation and application by growers of crops in containers.  相似文献