Clinical cytogenetics in equine stud practice: Consideration of the present situation and future application     

C.R.E. Halnan MA Vet. MB  PhD  FRCVS 《Journal of Equine Veterinary Science》1984,4(6):274-277

The situation in Thoroughbred breeding in relation to cytogenetics is considered and it is indicated where screening of horses will be useful in practice. The techniques involved are explained and karyotypes are illustrated. The present state of knowledge in horse cytogenetics is reviewed. The types of abnormality are described in relation to phenotype. Future promise is discussed in relation to the human field, concluding that with the refined methods now available a wider rangeof meaningful aberrations will be uncovered.  相似文献   

Letters to Editor     

P. G. C. Bedford  BVetMed PhD  FRCVS 《The Journal of small animal practice》1980,21(3):203-203

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Arthroscopic Removal of an Osteochondral Fragment from the Middle Phalanx of a Horse     

TIMOTHY B. VAIL DVM  C. WAYNE McILWRAITH BVSc  PhD  FRCVS  Dipiomate ACVS 《Veterinary surgery : VS》1992,21(4):269-272

An intraarticular osteochondral chip fracture of the distal dorsolateral aspect of the right hind middle phalanx in a 4-year-old Dutch Warmblood gelding was removed arthroscopically. Accessibility and visibility of the fragment were excellent, and there was minimal soft tissue trauma.  相似文献   

Aerobic and anaerobic bacterial flora in the postpartum mare     

B.J. Purswell DVM  PhD  W.B. Ley DVM  MS.  N. Sriranganathan DVM  PhD  J.M. Bowen FRCVS 《Journal of Equine Veterinary Science》1989,9(3)

Equine postpartum uterine bacterial contamination was studied. Thirteen mares were examined at foaling, at foal heat and again at the second estrus if not bred at foal heat (n=7). Twenty-three percent (3/13) of the mares showed no uterine bacterial contamination immediately post partum. This was increased to 77% (10/13) by foal heat and 100% (7/7) by the second post-partum estrus. Few anaerobic bacteria were isolated and were quickly eliminated. Anerobic bacteria do not appear to be a problem in the postpartum mare. The mare is capable of quickly eliminating postpartum uterine bacterial contamination. Endometrial etiology was shown to be a good screening test for uterine bacterial contamination in the postpartum mare.Bacterial endometritis has long been recognized as a major cause of infertility in the mare.⁵,⁸,¹² Bacterial culture techniques over the years have been improved as have the interpretation of such results. It is generally agreed upon that the isolation of bacteria by itself is insufficient evidence of disease.³,¹⁶,¹⁷,¹⁹,²⁵ Certain bacteria, Streptococcus zooepidemicus, Escherichia coli, Pseudomonas aeruginosa and Klebsiella pneumonia, are known to be the major bacterial pathogens responsible for most of the cases of endometritis.⁷,¹⁸,²⁶ Isolation of bacteria in pure culture also is considered to be clinically significant; mixed cultures probably indicate insignificant contamination.²,²¹ The clinician also must consider the quantity of organisms isolated.¹,³,⁷,¹⁹,²⁶ Most pathogens occur in large numbers with heavy growth noted when cultured. In addition to kinds and quantity of bacteria isolated from the uterus, there also must be evidence of inflammation detected by physical examination of the genitalia, endometrial cytology and/or endometrial biopsy.⁴,⁹,¹⁴,¹⁵,²⁵,²⁷,²⁸The presence and significance of anaerobic bacteria in the mare's uterus has not been throughly addressed. It has been documented that aerobic and anaerobic bacteria play a significant role in postpartum uterine infections in the cow.²⁰Fusobacterium necrophorum and Corynebacterium pyogenes apparently have a synergistic effect to increase the severity of postpartum uterine infections in the cow.²⁰,²³ Anerobic bacteria, as well as mycoplasmas and viruses, have been suggested as possible causes of endometritis in the mare when evidence of inflammation is present but no aerobic bacteria are isolated.⁷,¹⁴,²¹,²⁷The purpose of this study was to document aerobic and anaerobic bacterial contamination of the uterus in the postpartum mare. Endometrial cytology was investigated to determine if there was a relationship between the presence of bacteria in the postpartum uterus and an inflammatory response.  相似文献   

Arytenoid Lateralization for Management of Combined Laryngeal Paralysis and Laryngeal Collapse in Small Dogs     

Pieter Nelissen DVM CertSAS  Richard A.S. White BVetMed  PhD  FRCVS  Diplomate ACVS & ECVS 《Veterinary surgery : VS》2012,41(2):261-265

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Developmental orthopedic disease: problems of limbs in young horses     

C. Wayne McIlwraith BVSc  PhD  DSc  FRCVS  Diplomate ACVS 《Journal of Equine Veterinary Science》2004,24(11):475-479

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The Effect of Short‐ and Long‐Term Treatment with Manuka Honey on Second Intention Healing of Contaminated and Noncontaminated Wounds on the Distal Aspect of the Forelimbs in Horses     

Andrea S. Bischofberger Dr Med Vet  Christina M. Dart Dr Med Vet Diplomate ACVA  Nigel R. Perkins BVSc  PhD  Diplomate ACT  Ashley Kelly BAnVetBioSc  Leo Jeffcott MA BVetMed DVSc PhD FRCVS  Andrew J. Dart BVSc PhD Diplomate ACVS & ECVS 《Veterinary surgery : VS》2013,42(2):154-160

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Effect of Age and Prostheses Location on Rima Glottidis Area in Equine Cadaveric Larynges     

Andrea S. Bischofberger Dr Med Vet  Ines Hadidane Med Vet  Marta M. Wereszka BVSc Dip ACVS  Nigel R. Perkins BVSc  PhD  Dip ACT  Leo B. Jeffcott BVetMed  PhD  FRCVS  Andrew J. Dart BVSc  PhD  Diplomate ACVS & ECVS 《Veterinary surgery : VS》2013,42(3):286-290

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Effect of Head Position on Radiographic Assessment of Laryngeal Tie‐Forward Procedure in Horses     

LAURA K. McCLUSKIE BVSc  SAMANTHA H. FRANKLIN BVSc PhD  J. GEOFFREY LANE BVetMed  DESTS FRCVS  KATHERINE J. ALLEN BVSc  CertEM 《Veterinary surgery : VS》2008,37(7):608-612

Objective— To assess the effect of head position on relative position of the larynx and hyoid apparatus in horses with palatal dysfunction, and to define a standard position for radiographic assessment of laryngeal tie‐forward. Study Design— Prospective clinical study. Animals— Adult horses (n=9) with palatal dysfunction. Methods— Left lateral radiographs of the larynx were obtained pre and postoperatively for 3 different head positions (flexed=90°; neutral=100°; extended=115°). Distance between thyrohyoid bone and thyroid cartilage was measured. Data were analyzed to investigate differences between head positions, and to compare differences between pre‐ and postoperative measurements. Results— Head position had a significant effect on relative position of the larynx and hyoid apparatus preoperatively. There was no significant difference in postoperative measurements of the 3 head positions. A significant difference between pre‐ and postoperative measurements was found with the head in the neutral or extended position whereas there were no significant differences between pre‐ and postoperative measurements using the flexed position. Conclusions— Head position affects the relationship between the hyoid apparatus and larynx preoperatively, with greatest distance occurring when the head is extended. In a flexed position, it is not possible to ascertain whether laryngeal position has changed postoperatively. Clinical Relevance— A standardized head position is necessary when assessing the laryngeal tie‐forward procedure radiographically. An extended head position is most useful for this assessment.  相似文献   

COMPARISON OF ULTRASONOGRAPHIC AND RADIOGRAPHIC MEASUREMENTS OF CANINE PROSTATE DIMENSIONS     

Gultekin  Atalan  Dr. Vet. Med.  Frances J.  Barr  MA  VetMB  PhD  MRCVS  Peter E.  Holt  BVMS  PhD  CBiol  MIBiol  FRCVS 《Veterinary radiology & ultrasound》1999,40(4):408-412

The purposes of this study were to: 1) compare prostatic dimensions measured on radiographic and ultrasonographic images and 2) compare a subjective radiographic assessment of prostate size with a previously-described objective method. Thirty-four male dogs undergoing investigation of prostatic disorders were used. Prostate length and depth were measured from ultrasonographic and radiographic images. A subjective assessment of prostate size ('small', 'normal', or 'enlarged') was made in 29 animals by one of the authors who was unaware of radiographic or ultrasonographic measurements. In addition, the distance from sacral promontory to the pubic brim was also measured. A prostate length or depth of >70% of this distance was defined as 'enlarged' and <70% as 'normal'. After the effects of magnification on radiographic measurements were eliminated, there were no significant differences between prostatic length measured by the two methods. However, a significant difference was obtained between prostatic depth measurements. The subjective assessment agreed with a previously described objective assessment of prostatic size in 21/29 dogs for prostate length but in only 12/29 for depth. Prostatic length varied from 46.6 to 116.4% (mean 75.7%) of the distance from the pubic brim to the sacral promontory. Prostatic depth varied from 33.0% to 94.6% (mean 59.7%) of the same distance. It is recommended that prostate length, rather than depth, be used when evaluating prostate size from lateral abdominal radiographs.  相似文献