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Publications (84)
The special aspects of Dring Horse Sport in Rehabilitation
Equine recurrent uveitis (ERU) causes painful inflammatory attacks and oftentimes blindness in the affected eyes. The disease is considered a late sequela of systemic leptospirosis. The most effective therapy is the surgical removal of the vitreous (vitrectomy), which is not only therapeutic, but provides vitreous material that can be assessed diag...
The gastric anatomy of the alpaca (Vicugna pacos) is adapted to the physiological process of ruminating and the degradation of plant cell wall contents to a great extent. Most alpaca husbandries consist of only few animals and with the still increasing number of alpacas worldwide the number of persons who are responsible for these animals is increa...
Straußenvögel werden seit etwa150Jahren domestiziert, die Anfänge der farmähnlichen Straußenhaltung finden sich um 1860 im Gebiet rund um Outshorn/SA. Die Produktion von Straußenfleisch hat weltweit zugenommen mit Südafrika als größtem Produzenten. In Europa wird bis dato wenig Straußenfleisch gewonnen, wobei auch hier die Menge steigt. In Deutschl...
The gastrointestinal tract of the alpaca (Vicugna pacos) is most efficiently adapted to its habitat at high altitudes. Alpacas, just like ruminants, feed on hardly digestible forage. However, it has been demonstrated that the anatomy of the camelid digestive tract has developed independently of ruminants and not in homology to them. Despite a long...
Objective:
To demonstrate the morphology of pathological changes to the inner structures of the claw in cases of toe ulcers, white line disease in the heel and changes due to inappropriate weight bearing and deficient claw care.
Material and methods:
Hind limbs of 55 cows displaying external signs of complicated sole ulcers were examined externa...
Objective:
In the context of a larger study on morphological changes of deep sole ulcers, claws with Rusterholz ulcer (RU) were investigated to describe the varied pathological changes of the RU.
Material and methods:
Hind limbs of 55 cows displaying external signs of complicated sole ulcers were examined externally and internally. To examine th...
Objective:
The use of antibiotics is a proven approach for local and systemic treatment of digital dermatitis (DD). Even if they are administered only locally and at low dosage, their use should be restricted to an absolute minimum. The efficacy of a commercial polyurethane wound dressing in treating acute digital dermatitis was compared with topi...
Reasons for performing studyEvaluation of laminitis patients relies on radiographic measurements of the equine foot. Reference values have not been established for all layers of the foot.Objective
To establish normal hoof wall and sole measurements using digital radiography (DR) and magnetic resonance imaging (MRI), and to document tissue component...
Rounded, sessile, hyperattenuating structures detected in computed tomography (CT) studies of canine tympanic bullae have been termed “otoliths.” These have been proposed to represent dystrophic mineralizations or heterotopic bone formations in the middle ear that are potentially related to chronic otitis media. Aims of the current study were to de...
Objective:
It was investigated whether usage of the biocidal product T-Hexx Dragonhyde (Hydromer, Branchburg, NJ, USA) could influence the prevalence of digital dermatitis (DD).
Material and methods:
On a dairy farm (110 milking cows) 48 dairy cows without lameness were selected randomly for a test group or a control (negative) group, respective...
Objective:
Only limited scientific information on the efficiency of claw cleaning systems for dairy cows is currently available. For this reason, this investigation aimed to test the devio AG's claw hygiene system regarding its cleaning effect as well as its impact on the cow traffic and the quality of its washing water.
Material and methods:
Du...
Zusammenfassung
Gegenstand und Ziel: Informationen über Klauenreinigungssysteme waren bislang kaum verfügbar. Ziel dieser Arbeit war daher, das Klauenhygienesystem der Firma devio AG hinsichtlich Reinigungswirkung, Kuhverkehr und Waschwasserqualität zu testen. Material und Methoden: In zwei Versuchsphasen wurde die Klauenwaschanlage ohne und mit Ei...
Gegenstand und Ziel: Es wurde untersucht, ob der Einsatz des Biozidprodukts T-Hexx Dragonhyde HBC (Fa. Hydromer, Branchburg, NJ, USA) die Prävalenz der Dermatitis digitalis (DD) beeinflusst. Material und Methoden: In einem Milchviehbetrieb (110 melkende Kühe) wurden 48 lahmheitsfreie Tiere randomisiert Versuchs- und Kontrollgruppe zugeteilt. Die mi...
The ovine hip is often used as an experimental research model to simulate the human hip. However, little is known about the contact pressures on the femoral and acetabular cartilage in the ovine hip, and if those are representative for the human hip.
A model of the ovine hip, including the pelvis, femur, acetabular cartilage, femoral cartilage and...
To investigate topographic and age-dependent adaptation of subchondral bone density in the elbow joints of healthy dogs by means of computed tomographic osteoabsorptiometry (CTOAM). Animals-42 elbow joints of 29 clinically normal dogs of various breeds and ages.
Subchondral bone densities of the humeral, radial, and ulnar joint surfaces of the elbo...
To characterise the humeral trochlea in middle to large breed dogs in respect to split-line pattern and cartilage thickness.
In 15 paired cadaveric elbow joints of mature dogs (>20 kg body weight) collagen network orientation of the hyaline cartilage of the humeral trochlea was visualised using a traditional split-line technique in which a dissecti...
Objective: To compare the accuracy of radiography and computed tomography (CT) in predicting implant position in relation to the vertebral canal in the cervical and thoracolumbar vertebral column.
In vitro imaging and anatomic study.
Animals: Medium-sized canine cadaver vertebral columns (n=12).
Methods: Steinmann pins were inserted into cervical a...
Objective:
To characterize donor and recipient sites for autologous osteochondral transplantation (AOT) in the canine stifle joint with respect to maximal subchondral bone density (mSBD).
Study design:
Descriptive laboratory study.
Sample population:
Femora (n=15) of dogs (>20 kg).
Methods:
mSBD at selected donor sites within and outside the...
Zusammenfassung
Ziel dieser Studie war eine funktionell-anatomische Analyse der Luxatio antebrachii beim Kaninchen und der Vergleich zu den verschiedenen Erscheinungsformen dieser Verletzung bei Katze und Hund. Material und Methoden: Zunächst wurde die relative Luxationshäufigkeit im Vergleich zu Katze und Hund katamnestisch ermittelt sowie die bev...
Objective:
Functional anatomical evaluation of elbow luxation in rabbits and the comparison of this lesion to cats and dogs.
Material and methods:
The relative frequency of elbow luxation and the most common direction of antebrachial bone dislocation in rabbits were compared catamnestically with data in dogs and cats. Goniometric evaluation of t...
Objective:
To characterize donor and recipient sites for autologous osteochondral transplantation in the canine stifle joint with respect to split-line pattern and cartilage thickness.
Study design:
In vitro study. Sample Population- Stifle joints (n=30) of dogs >20 kg.
Methods:
Collagen network orientation of the hyaline cartilage coverage of...
Lameness that appears after hot-shoeing is an issue the farrier is often blamed for. The aim of this study was to investigate the thickness of the sole at which it is possible to measure a change in temperature within the hoof capsule. In addition it was aimed to measure what change in temperature causes damage to the corium of the sole. The front...
The objective of this study was to functionally characterize the distal radioulnar ligament connecting the distal ends of canine antebrachial bones. The ligament has been investigated histologically in five adult dogs. After decalcification and standard paraffin embedding, 5-microm-thick sections have been stained with Hematoxylin/Eosin, Resorcin/F...
Objective: We report on the successful osteochondral transplantation (mosaicplasty) for the treatment of an elbow OCD in a seven-months-old male Golden Retriever. Material and methods: After orthopaedic, radiological, computed tomographic (CT), and arthroscopic diagnostics the OCD lesion was debrided via a medial arthrotomy. Subsequently two transp...
Objective: In the introduction the various hypotheses on the aetiology of congenital contracture of the flexor tendons in calves (CCFT) mentioned in the literature are described and discussed. In a field study the incidence on dairy farms, characteristics of the calving process and the development of the respective calves were investigated. Materia...
Zusammenfassung
Gegenstand und Ziel: Das Ziel dieser Untersuchung war, anhand der subchondralen Knochendichteverteilung der Gelenkflächen Erkenntnisse über die physiologischen Belastungsverhältnisse im Karpalgelenk des Hundes zu gewinnen. Material und Methoden: Es wurden 80 Karpalgelenke von 40 Hunden unterschiedlichen Alters untersucht. Zur Darste...
Zusammenfassung
Gegenstand und Ziel: Es wird über die erfolgreiche Durchführung einer autologen osteochondralen Transplantation (Mosaikplastik) bei einem sieben Monate alten Golden-Retriever-Rüden zur Therapie einer OCD im Bereich der Trochlea humeri berichtet. Material und Methode: Nach klinisch-orthopädischer, radiologischer, computertomographisc...
Gegenstand und Ziel: Einleitend werden die sehr unterschiedlichen Überlegungen in der Literatur zur Ätiologie des angeborenen Sehnenstelzfußes (NMDC) des Kalbes beschrieben und diskutiert. In einer Feldstudie sollten die Inzidenz in landwirtschaftlichen Betrieben, Zusammenhänge mit dem Geburtsverlauf und die weitere Entwicklung betroffener Kälber u...
Objective: The objective of this study was to determine the subchondral bone density in the canine carpal joint in order to understand the long-term loading situation of the joint. Material and methods: 80 joints of 40 dogs of varying age were examined by means of computed tomography osteoabsorptiometry. Results: The subchondral bone density increa...
Introduction: On one hand, the distal phalanx in cattle is suspended by the wall segment of the dermis, on the other hand it is supported in the palmar/plantar region by the bulb with its specialized subcutaneous tissue. Recent results of various studies suggest that changes in tissue composition of the bulb and slackening of the suspension can lea...
Introduction: In many breeds osteoarthrosis of the hip joint is the most typical orthopaedic disease. Numerous studies concerning etiology, pathogenesis and therapy of this disease still consider an exact congruity to be the basis of a physiological joint function. No data, however, are available as far as the distribution of load in the articular...
Introduction: Elbow dysplasia is one of the most important orthopaedic diseases of the canine elbow joint. The medial coronoid process (MCP) and the anconeal process (AP) are involved with a high incidence.
Aims: The aim of this study was to clarify whether these processes are especially loaded resulting in osteoarthrosis.
Material and Methods: Elb...
Gegenstand und Ziel: Anfertigung einer detaillierten, als Referenz verwendbaren Bilddokumentation der ultrasonographischen Anatomie der Karpalregion des Rindes. Material und Methodik: Der Karpus wurde bei 21 Präparaten und an 11 Karpalgelenken klinisch gesunder Rindern unterschiedlichen Alters und beiderlei Geschlechts untersucht. Von zwei Ausnahme...
Objective: To obtain detailed ultrasonographic images of the bovine carpal joint to serve as a reference. Materials and methods: Twenty-one carpal joints of slaughtered and 11 of clinically healthy cattle, which varied in age and sex, were examined ultrasonographically. With two exceptions, only one carpus of each animal was scanned. For this purpo...
To validate mutual information criterion as a ready-to-use technique for automated alignment (ie, registration) of 3-dimensional (3-D) multimodal image data of the head of cats and dogs.
Corresponding 3-D magnetic resonance imaging (MRI) and computed tomography (CT) brain scans of a 6-month-old Doberman Pinscher with a brain cyst; CT images of the...
Osteophathies of fattening and breeding pigs are responsible for major economic losses. A specific and reliable diagnosis of osteoarthropathies and osteochondrapathies allows for an early detection and therefore selection of bloodlines or single breeding animals. Radiographic and computertomographic examinations were performed at regular intervals...
There are a number of differences between the claws of the front and hind limbs in cattle concerning macroscopic shape, chemical and physical properties of claw horn and epidemiological data. Front claws have superior data in almost every respect. Virtually no information is available on the mechanical stability of the suspensory apparatus of the t...
The objective of this study was to test mechanically the suspensory apparatus of the third phalanx in the horn capsule. The ultimate stress [N/mm 2] was determined and the part of the tissue was investigated where the samples failed in tensile testing. Healthy beef bulls without lameness (German Simmentals; age 18-20 months; 527 ± 25 kg; n = 13) we...
Methods for arthrocentesis of the forelimb have not been fully described in cattle. In particular the caudal recesses of the shoulder joint, the caudomedial recess of the elbow joint and the palmar recesses of the carpal joints have often been overlooked. The aim of this study was to determine optimal sites for arthrocentesis for the diagnosis and...
To visualize the contours of the pelvic limb joints, contrast radiography was performed in 47 joints of cadaver limbs of cattle. Among other features, especially the spherical shape of the hip joint and the cranioproximal pouch of the femoropatellar joint extending under the quadriceps femoris muscle could clearly be demonstrated. The results of re...
The fetlock joint (articulatio metacarpophalangea) plays an exceptional role within the limb, as it is the only joint which is in hyperextension in the standing horse. It is therefore exposed to special loading situations compared to other joints. The objective of this study is to describe the distribution of the subchondral bone density as a measu...
Scintigraphy, with 99mTechnetium methylenediphosphonate (99mTc-MDP) and 99mTc-labelled leucocytes, was compared to radiography in the diagnosis of dental disease in the horse in a prospective case-controlled study, comprising 30 horses with clinical signs of dental disease and 30 control horses. In each case, right and left lateral, ventral and dor...
In foals, palatoschisis occurs in a frequency of approximately 1‰ within the scope of a deformity. In most clinical cases a palatoschisis is followed by an aspirationpneumonia causing death or euthanazation of the concerned foal. Operative intervention is already described in the veterinary literature. Because of it's invasivity the operation of th...
The objective of this study was to evaluate the anatomical features of the tarsal flexor tendon sheath in bovines and the relevant therapeutic modalities of septic tenosynovitis. In order to define the normal anatomy of the tendon sheath, 26 clinically and radiologically normal specimens were evaluated using contrast radiography. A communication be...
The communication between the distal intertarsal and the tarsometatarsal articulation was investigated using 44 hindlegs of 37 horses. 34 preparations were used immediately after euthanasia, while 10 specimens were stored at -20° C until investigation. Substances with different viscosity were injected post-mortem into the distal intertarsal or the...
Transrectal Doppler ultrasound was used for the noninvasive investigation of uterine blood flow in cows. Both the left and right Aa. uterinae were scanned to obtain blood flow velocity waveforms over 2 consecutive estrous cycles. Blood flow was reflected by the resistance index (RI) and the time-averaged maximum velocity (TAMV). Intra-observer repr...
Transrectal Doppler ultrasound was used for the noninvasive investigation of uterine blood flow in cows. Both the left and right Aa.uterinae were scanned to obtain blood flow velocity waveforms over 2 consecutive estrous cycles. Blood flow was reflected by the resistance index (RI) and the time-averaged maximum velocity (TAMV). Intra-observer repro...
A total of 31 equine shoulder joints was investigated macroscopically and with help of corrosion casts. At the medial side of the scapula close to the Proc. supraglenoidalis a small groove can be found, the sulcus supraglenoidalis. It is caused by the course of the supraspinatus muscle which passes over the proc. supraglenoidalis. The articular sur...
The "Visible Animal Project" (VAP) is comprised of axial anatomic cryosections and corresponding CT and MR images of a mature dog. The digital database is used for the creation of three-dimensional computer graphics of canine anatomy. The technique of cryodissection is described in detail. The combining of the corresponding CT and MR images, and cr...
Using a new method derived from the 'visible human project' (Spitzer et al., 1996, Journal of the American Medical Informatics Association, 3, 118-130), we were able to establish a simple and low-cost tool which produces high-quality cryosections of macroscopic specimens down to 1-mm slice thickness, based on a milling process. For the first time,...
In Llamas and Alpacas infestation with Fasciola hepatica or Dicrocoelium dendriticum can cause liver damage, sometimes even with lethal outcome. Once infected South American Camelids (SACs) react more sensitively to these parasites than other domestic ruminants. We report here on the pathology, parasitology, clinics and therapy of this disease. Con...
In Llamas and Alpacas infestation with Fasciola hepatica or Dicrocoelium dendriticum can cause liver damage, sometimes even with lethal outcome. Once infected South American Camelids (SACs) react more sensitively to these parasites than other domestic ruminants. We report here on the pathology, parasitology, clinics and therapy of this disease. Con...
The aim of this work was to investigate the postnatal development of the feline spinal cord. Our study showed that the main period of growth leading to the cervical and lumbar enlargements begins after birth and is completed at the age of 5–6 months. Comparing the relationship between the length of the spinal cord and the vertebral column, we found...
The aim of this study was to outline the postnatal adaptation of the bovine third phalanx in response to changed static-dynamic conditions. The distal phalanges of 26 animals (mostly Simmentals, ranging in age from new-born to adult) were examined. To demonstrate cross anatomy, 30 frozen feet were dissected in transverse and sagittal planes with a...
Fractures of the first two cervical vertebrae, atlas and axis, may occur in foals for different reasons, e.g. in cases of a fall, going head over heels or when being hit by a hoof. The tentative clinical diagnosis can be confirmed by x-raying the standing animal, with aid of computed tomography in the anaesthetized foal respectively. The growth pla...
Fractures of the first two cervical vertebrae, atlas and axis, may occur in foals for different reasons, e.g. in cases of a fall, going head over heels or when being hit by a hoof. The tentative clinical diagnosis can be confirmed by x-raying the standing animal, with aid of computed tomography in the anaesthetized foal respectively. The growth pla...
Color Doppler ultrasound was used transrectally in 6 mares to locate both the left and right Aa. uterinae and to obtain flow velocity waveforms at defined times (Days 0, 5, 10, 15 and 20) during 4 estrous cycles. Blood flow reflected by the resistance index (RI) was determined for both arteries on 120 occasions. As there was no significant differen...
The topographic-anatomical situation of the conus medullaris and the cauda equina in cats is shown: in about two thirds of the cases the conus medullaris at least reaches the level of the first sacral vertebra. As far as the site of the epidural injection is concerned the sacrococcygeal space or the first intercoccygeal space are proposed in order...
Epithelium from the renal pelvis of dogs and cats was investigated by light and scanning electron microscopy. Apart from regular transitional epithelium, a different type of epithelial lining was found in both species. Superficial cells in this type of epithelium were smaller and characterized by tightly packed, stub-shaped microvilli. Species-spec...
