Veterinary education in the UK: special needs for equine graduates     

P D Rossdale 《Equine veterinary journal》1989,21(2):81-82

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Transendoscopic injection of poly-L-lactic acid into the soft palate in horses: A new therapy for dorsal displacement of the soft palate?     

Anja Cehak Dr Med Vet  Eckehard Deegen Prof Dr Dr Med Vet  Wolfgang Drommer Prof Dr Dr Med Vet  Elke Lütkefels Dr Med Vet  Bernhard Ohnesorge PD Dr Med Vet Dipl ECEIM 《Journal of Equine Veterinary Science》2006,26(2):59-66

The purpose of this study was to establish a minimal invasive, transendoscopic technique for injection of poly-L-lactic acid into the free edge of the soft palate that can be performed on the standing sedated horse. Furthermore, whether the implant material induces an increase in fibrous tissue at the injection site, resulting in a greater rigidity of the soft palate, was determined.In 4 horses, the injection was performed bilaterally along the caudal margin of the soft palate, and the influence of the treatment on the soft palate function was determined. Clinical, radiographic and endoscopic examinations at rest were performed before and up to 168 days after injection according to a standardized examination protocol.In 6 horses, the implant material was injected unilaterally into the right half of the caudal margin of the soft palate. After clinical and endoscopic follow-up examinations, 2 horses each were killed 28, 84, and 168 days after the implantation procedure. At necropsy, macroscopic comparison of the treated and the untreated halves of the soft palate showed the influence on the size of the ostium intrapharyngeum and on the soft palate thickness. The localization of the implant material in the soft palate and the tissue response to the poly-L-lactic acid were evaluated histologically.Transendoscopic injection into the soft palate requires neither general anesthesia nor wound management, and it is noted for minimal tissue trauma. After injection, no alteration of the soft palate function was observed in horses with normal upper airway mechanics. One horse with intermittent dorsal displacement of the soft palate showed an improvement of the soft palate function for 112 days after implantation. No significant alteration in the size of the ostium intrapharyngeum was evident in any horse. Histologic assessment indicated the presence of implant material during the entire observation period of 168 days. The implant was accompanied by a granulomatous inflammation, and it was encapsulated by fibrous tissue. This may result in an increase in stiffness, and subsequent a greater rigidity of the soft palate, preventing it from displacement. The injection may therefore be considered an alternative to established therapies in horses showing dorsal displacement of the soft palate because of its unstable free edge.  相似文献   

A case of equine infectious anaemia in Newmarket.     

P D Rossdale  M D Hunt  C K Peace  R Hopes  S W Ricketts 《The Veterinary record》1975,97(11):207-208

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Studies on equine prematurity 1: Methodology     

P D Rossdale  J C Ousey  F E Dudan  D P Leadon  R S Cash  R Reddy  M Silver  A Fowden  F Broughton Pipkin  L B Jeffcott 《Equine veterinary journal》1984,16(4):275-278

This paper describes the general management of mares and foals during the perinatal period and the methodology used in a collaborative research project on equine prematurity. Sixteen mares with dated pregnancies delivered 45 foals over three breeding seasons (1981 to 1983). In the majority, parturition was induced with oxytocin and/or fluprostenol; the remainder were allowed to foal spontaneously. Pre-colostral milk analysis provided a means of assessing the pre-foaling status of the mare. All were observed and monitored before, during and after parturition and the sampling protocol for both mare and newborn foal is discussed in detail. The foals were assessed for their degree of maturity at birth using behavioural, haematological, acid-base status and other criteria; they were then assigned to groups for further study and tests.  相似文献   

Effect of acepromazine, xylazine and thiopentone on factor VIII activity and von Willebrand factor antigen concentration in dogs     

PD MANSELL  BW PARRY 《Australian veterinary journal》1992,69(8):187-190

The effect of acepromazine maleate, xylazine and thiopentone on the packed cell volume, plasma protein content, factor VIII activity and von Willebrand factor antigen concentration of blood was studied in normal dogs. The same variables were measured in dogs with haemophilia A given acepromazine maleate and thiopentone. Both the packed cell volume and plasma protein content decreased after the administration of either acepromazine maleate or xylazine. Values were not changed further after administration of thiopentone. Changes in the haemostatic variables measured were generally small. Consequently, blood samples collected from dogs under the influence of premedicant doses of acepromazine maleate or xylazine, and when subsequently anaesthetised with thiopentone, are adequate for the assay of factor VIII activity and von Willebrand factor antigen concentration for establishing an animal's haemophilia A and von Willebrand's disease status.  相似文献   

Identification of toxigenic Pasteurella multocida in atrophic rhinitis of pigs by in vitro characterisation     

GJ EAMENS  PD KIRKLAND  MJ TURNER  JA GARDNER†  MP WHITE‡  CL HORNITZKY 《Australian veterinary journal》1988,65(4):120-123

Toxigenic strains of Pasteurella multocida were readily differentiated from non-toxigenic strains by an agarose overlay method using bovine turbinate cells or bovine lung cells. Cells which were young and densely confluent were best suited to this assay. The incubation period required to distinguish toxigenic strains was dependent on the confluence of the monolayers, which was affected by the seeding rate, cell passage level and growth time prior to overlay. The agarose overlay method correctly identified 11 of 11 reference strains of Pasteurella multocida, and visible cytotoxic changes were present in the monolayers after 48 to 65 h. Outbreaks of the enzootic form of atrophic rhinitis in 2 New South Wales piggeries were associated with the isolation of toxigenic type D strains of P. multocida.  相似文献   

Use of a Medial Bone Plate for Repair of Radius and Ulna Fractures in Dogs and Cats: A Report of 22 Cases   总被引：1，自引：0，他引：1  

JUAN C. SARDINAS DVM  PIERRE M. MONTAVON Dr med vet  PD 《Veterinary surgery : VS》1997,26(2):108-113

Objective —This study evaluates the technique of medial bone plating in the repair of radius fractures in dogs and cats.
Study Design —A retrospective study was made of patients diagnosed with fractures of the radius that were stabilized by application of a bone plate to the medial side of the bone.
Animal Population —Sixteen client-owned dogs and 4 client-owned cats. The animals' ages varied from 5 months to 8 years, and their weight varied from 1.3 to 49 kgs.
Methods —Animals were evaluated using radiography or client assessment, or both.
Results —Medial plate application was technically easier to do than cranial plate application, the technique avoided the extensor tendons, and permitted greater versatility in the selection of smaller plates for the fixation of distal radius fractures. All fractures repaired by this method healed with no postoperative complications.
Conclusions —Medial plate application may be used for osteosynthesis of distal or middiaphy-seal radius fractures. Further studies are needed to evaluate the use of this technique in morphologically complex fractures. In patients with fractures of the proximal radius, cranial plate application is considered more appropriate.
Clinical Relevance —Medial plating of radial fractures has significant advantages compared with conventional plate application; it provides the surgeon with an alternative method of fixation for selected radius fractures in dogs and cats.  相似文献   

Readiness for birth     

P.D. Rossdale PhD  MA  DESM  FRCVS  Jennifer C. Ousey MSc 《Journal of Equine Veterinary Science》1987,7(6):392

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Neospora caninum in beef herds in New South Wales,Australia. 1: seroprevalence study          下载免费PDF全文

BJ Moloney  PD Kirkland  C Heuer 《Australian veterinary journal》2017,95(3):72-79

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Neospora caninum in beef herds in New South Wales,Australia. 2: analysis of risk factors          下载免费PDF全文

BJ Moloney  C Heuer  PD Kirkland 《Australian veterinary journal》2017,95(4):101-109

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