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Topic:Veterinary Care
Veterinary care in horses encompasses the medical and preventive measures taken to maintain and improve the health and well-being of equine patients. It includes a wide range of practices such as routine health examinations, vaccinations, dental care, parasite control, and management of injuries and diseases. Veterinary care also involves diagnostic procedures, surgical interventions, and therapeutic treatments tailored to the specific needs of horses. This page gathers peer-reviewed research studies and scholarly articles that explore various aspects of equine veterinary care, including advancements in diagnostic techniques, treatment protocols, and health management strategies to support the well-being and performance of horses.
Prevention of crib-biting: a review. Crib-biting is a common oral stereotype. Because of perceived deleterious effects on the health and appearance of subjects the prevention of crib-biting is regularly attempted. The resourcefulness of horses in satisfying their motivation to perform this behaviour often frustrates owners' efforts at prevention. This paper reviews the efficacy and observable consequences of attempting to prevent crib-biting by a variety of methods. These include attempts to prevent the grasping of objects, to interfere with air-engulfing and to introduce punishment for grasping and neck-flexion. Other approaches...
The identification of abnormal behaviour and behavioural problems in stabled horses and their relationship to horse welfare: a comparative review. Many behaviours in domestic animals, such as the 'stable vices' of horses, are treated because they are considered undesirable for economic or cultural reasons, and not because the activity affects the horse's quality of life. The impact of a behaviour on the human reporter is not a function of its impact on the animal performer, and an understanding of the causes and effects of the particular activity is necessary to assess the costs and benefits of treatment. Where the behaviour is a sign of poor welfare, such as an inadequate environment, treatment can best be achieved by removing these und...
Personality and individual differences in the horse, their significance, use and measurement. The biological diversity of a species gives rise to individual differences in behavioural tendency. Traditionally, this variation has been considered to be of little scientific importance or value, but the description and quantification of the fundamental basis of this variability is relevant to many aspects of equine science. The reliable identification of these features may allow the development of more accurate diagnostic and prognostic indicators for a range of clinical diseases. Biologically based traits also provide a more rational basis for selective management and breeding programmes i...
Considerations for the control of equine cyathostomes in arid areas. Internal parasites of horses are ubiquitous but that does not suppose that the level of infection does not vary with climatic conditions. Climate determines the limits of where a parasite species can survive the external environment and weather determines the transmission pattern within the climatic bounds [Levine, N.D., 1963. Adv. Vet. Sci. 8, 215-261]. Arid areas have a more limited exposure potential to important parasites but the level of exposure can nonetheless lead to disease. It must be remembered that, even in arid areas, it does rain and irrigation, overflow from water troughs, dew d...
The effect of administration of a beta blocker in periparturient mares. This study investigated the effect of a beta blocker on parturition, fetal membrane retention and subsequent fertility in mares. The animals were divided into an experimental group (150 mares treated during second stage labour with propranolol [50 mg i.v.]) and a control group (180 mares with no treatment). Administration of propranolol was associated with a significant decrease in time of expulsion of fetal membranes, and an increase in both exhibition of foal heat and pregnancy rates at this heat.
Seasonal transmission of equine cyathostomes in warm climates. Few studies investigating the seasonal transmission of equine cyathostomes have been done in warm climates. Two Australian studies used experimentally-infected plots to determine hatching, development and survival of free living stages of equine cyathostomes. Four studies in the southern United States used pasture larval counts, and in some instances tracer animals, to determine seasonal availability of infective cyathostome larvae on naturally-infected pastures. With the exception of the dry Australian tropics, a general pattern of peak transmission of cyathostomes during the cooler seasons o...
Alternative approaches to control of cyathostomes: an African perspective. Cyathostomes are common nematode parasites of horses, donkeys and mules in developing countries. These equids usually work on a daily basis and this includes transportation of goods, crops and people. Stress, associated with work, and limited nutrition often result in a loss of condition, and cyathostomid nematodes may, then, cause clinical disease. Because anthelmintics are not always accessible or affordable in many parts of Africa, or there may be anthelmintic resistance to current remedies, management practices are often used as an adjunct to chemotherapy. This paper discusses some current...
Laryngeal movements during the respiratory cycle measured with an endoscopic imaging technique in the conscious horse at rest. A video-laryngoscopic method, implemented with an algorithm for the correction of the deformation inherent in the endoscope optical system, has been used to measure the dorsoventral diameter (Drg) and the cross-sectional area (CSArg) of the rima glottidis in five healthy workhorses during conscious breathing at rest. Simultaneous recording of the respiratory airflow was also obtained in two horses. Drg measured 82.7 +/- 4.5 mm (mean +/- S.D.) independently of the respiratory phase, and did not differ from the measurement in post-mortem anatomical specimens of the same horses. CSArg ranged from...
Frequency of musculoskeletal injuries and risk factors associated with injuries incurred in Quarter Horses during races. To determine the frequency and anatomic location of musculoskeletal injuries incurred by Quarter Horses during races and to compare data from injured horses and matched control horses. Methods: Matched case-control study. Methods: 97 Quarter Horses that sustained a musculoskeletal injury during races and 291 horses from the same races that were not injured. Methods: Data examined included racing history, race-entrant characteristics, racing events determined by analysis of videotapes of races, and, when performed, results of prerace physical inspections. Data for injured horses were compared w...
Effect of furosemide on performance of Thoroughbreds racing in the United States and Canada. To determine the effect of furosemide on performance of Thoroughbreds racing on dirt surfaces at tracks in the United States and Canada. Methods: Cross-sectional study. Methods: All Thoroughbreds (n = 22,589) that finished a race on dirt surfaces at tracks in the United States and Canada between June 28 and July 13, 1997 in jurisdictions that allowed the use of furosemide. Methods: Race records were analyzed by use of multivariable ANOVA procedures and logistic regression analyses to determine the effect of furosemide on estimated 6-furlong race time, estimated racing speed, race earnings, and...
Results of physical inspection before races and race-related characteristics and their association with musculoskeletal injuries in Thoroughbreds during races. To estimate the relative risk of injury among horses deemed to be at increased risk of injury on the basis of prerace physical inspection findings and to examine the association of injury during races with race-related characteristics. Methods: Cohort study. Methods: 2,187 Thoroughbred horses that started 3,227 races in Kentucky. Methods: All race starts for which a horse was deemed to be at increased risk of injury on the basis of prerace physical inspection findings and a random sample of race starts for which horses were not deemed at increased risk of injury were included in the study. Fin...
[“This helps; this is good”. Horse books of Tibetan Himalayas]. The present paper summarizes our recent investigations of the so-called horse books from the High Himalayas in Nepal. These books are written in tibetan language and are essentially dealing with hippology and hippiatry and to a lesser extent with topics such as pharmacology, anatomy, methods of diagnosis, divination and magical practices for horse races. The therapeutic methods of treatment in tibetan veterinary medicine are guided by the concepts of human medicine which, on the one hand, are related to the Ayurvedic System, on other hand, to the Traditional Chinese Medicine. Concerning the st...
The pathophysiology of developmental and acute laminitis. This review implies that although we know more regarding the enigma of developmental and acute laminitis today than previously, there is still more to investigate. As these investigations are conducted and interpreted, new and more effective preventive and therapeutic regimens are likely to be developed, tested, and made available. As this occurs, the impact of laminitis should undoubtedly decrease. Unfortunately, due to the lack of clinical symptoms in the developmental phase and the shortness of the acute phase, it is also evident that the two sequelae of acute laminitis, subacute and chroni...
Laminitis as a systemic disease. This article presents the clinical pathology and the involvement of the cardiovascular, renal, endocrine, and immunologic systems in laminitis. The data available on these systems are presented with respect to the disease phase and severity. The nutritional and metabolic alterations realized in the chronically affected horse are also presented. In this discussion, the origins and clinical implications of these systemic findings are discussed.
Historical perspectives on laminitis. This article attempts to provide a historical perspective regarding equine laminitis. It is designed to cover, as completely as possible, the historical record of, and the research advances made, in regards to acute and chronic laminitis. With respect to the historical record, the names given to this disease, the postulated etiologies, and the various treatment protocols are discussed. This article demonstrates the historical longevity of this disease and establishes a background for the current understanding of the disease's pathologic mechanisms and treatments.
The pharmacologic basis for the treatment of developmental and acute laminitis. Each horse with laminitis is presented to the veterinarian at a different stage in progression of the condition and with varying severity. The pathogenic timing is often unknown and is difficult to determine. Because timing and severity are related to both the lesion's severity and responsiveness to treatment, these factors are critical to treatment selection and success. It is erroneous to assume that each horse with laminitis should receive each treatment. It is therefore important to ascertain as logically and objectively as possible the pathophysiological stage of development of each horse...
The mechanisms and consequences of structural failure of the foot. Many of the difficulties in managing the horse with chronic laminitis are associated with the foot's mechanical failure. The occurrence of digital collapse cannot be viewed in isolation as the primary therapeutic focus. The circulatory, metabolic, and growth pattern changes induced by the foot's mechanical collapse often serve as major limiting factors to successful rehabilitation. From the discussion above, it is obvious that a significant amount of research is needed to better understand the biomechanical pathologies of the failed foot.
Clinical presentation, diagnosis, and prognosis of acute laminitis. The purpose of this article is to describe the clinical features present in the patient affected with acute laminitis. The variations in the stance and characteristic lameness of the acute disease are described in relation to the disease severity and limb involvement. The elements of establishing a diagnosis including clinical history, physical and radiologic evaluation, and differential diagnosis are discussed. Difficulties and criteria used in establishing a prognosis of the acute phase patient are defined.
The digital pathologies of chronic laminitis. This review indicates that the patient-to-patient uniqueness commonly seen in chronic laminitis represents the variable presence of the digital pathologies. Although some degree of mechanical failure is always present, the secondary metabolic and growth dysplasias, vascular pathologies, and sepsis may or may not be evident. The presence and severity of these pathologies appear to have a more significant impact on the prognosis of individual cases than does the displacement of the distal phalanx. It should be reiterated that it is often the combined presence of these individual pathologies that...
Laminitis in the horse. This article serves as an introduction to this issue on laminitis. As such, it contains the general perspectives and terminology that will be used in all subsequent articles. This article separates the clinical problem of laminitis into developmental, acute, subacute, and chronic phases and defines the criteria, duration, clinical goals, and implications of these phases. The basis for the significance of laminitis to the horse industry and the horseman is reviewed. Lastly, the organization of this issue is described.
Pharmacologic and alternative therapies for the horse with chronic laminitis. This article deals with treatment of the chronically foundered horse. The first section of this article is focused on aspects of the traditional pharmacologic approaches to management of digital pain and sepsis, dietary management, and thyroid supplementation. A second section introduces the concepts, principles, and agents that are used in homeopathic treatments for laminitis. Lastly, a third section of this article reviews the use of acupuncture and traditional Chinese medicine approaches to treatment of chronic laminitis.
Trimming and shoeing the chronically affected horse. Several of the technical approaches applied to the foot overlap with regard to intent. Frog or solar support, for example, may be provided either to stabilize the distal phalanx within the hoof capsule or in an effort to unload regional pain arising from the solar surface of the foot. It is likewise obvious that some techniques such as lowering the heels to achieve phalangeal realignment and raising the heels to relieve deep digital flexor tendon tension are contradictory. In these instances, it is not that one technique is always correct but that differences exist among horses. Currently, it ...
Clinical presentation, diagnosis, and prognosis of chronic laminitis. This article focuses on the initial assessment of the horse affected with chronic laminitis. Variations in the clinical presentation and primary considerations in making a differential diagnosis are included. The elements of a clinical history essential to sound, therapeutic management, and prognosis are summarized. The physical and radiographic assessment of the digital lesions and diagnostic approaches to the common systemic aspects of the disease are presented and discussed.
Treatment of acute laminitis. Supportive therapy. Over the last decade, both the farriery and veterinary professions have greatly increased their collective experience and understanding of the treatment of acute laminitis. Many horses that would have not been considered candidates for treatment 10 to 15 years ago are now saved, and some progress to successful careers as athletes. Unfortunately, the difficulties over prediction of the course of the disease persist, which continues to complicate treatment decisions. By its nature, supportive therapy is designed to make the horse more comfortable and limit further laminar injury by countering ad...
The pathophysiology of chronic laminitis. Pain and anatomic pathology. The potential pathologic manifestations of chronic laminitis are just as varied, and possibly more so, than the list of possible inciting agents of the disease itself. The extent to which rehabilitation and return to normal function can be attained, cannot always be accurately determined by physical examination. It should be remembered that significant physiologic and pathologic alterations occur in chronic laminitis; thus, even if radiographically the patient returns to a normal appearance, residual morphologic and structural defects are likely to remain.
The properties and use of penicillins in the veterinary field, with special reference to skin infections in dogs and cats. The use of the penicillins in veterinary dermatology is discussed. An outline is provided of the main penicillins used in the veterinary field. These include benzyl penicillin, penicillin V, ampicillin, amoxycillin, co-amoxiclav and oxacillin. An increase in β-lactamase production among strains of Staphylococcus intermedius, the principal canine pathogen in pyoderma, has been seen in recent years. Thus only those penicillins with resistance to β-lactamase (co-amoxiclav or isoxazolyl penicillins) are likely to be of value in treating canine pyoderma. However, feline, porcine and equine staphy...
