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Topic:Animal Health
Animal Health encompasses a broad range of topics focused on maintaining and improving the well-being of equine species. This field addresses various aspects of horse care, including disease prevention, diagnosis, treatment, and management of health conditions. Key areas of interest include equine nutrition, vaccination protocols, parasite control, dental care, and the management of chronic conditions such as laminitis and colic. Additionally, animal health research in horses investigates the impact of exercise and training on physical health, the role of genetics in disease susceptibility, and the development of new therapeutic approaches. This page compiles peer-reviewed research studies and scholarly articles that explore the latest advancements, challenges, and best practices in preserving and enhancing the health of horses.
Usefulness of aerobic microbial culture and cytologic evaluation of corneal specimens in the diagnosis of infectious ulcerative keratitis in animals. To determine the diagnostic value of aerobic microbial culture and cytologic evaluation of corneal specimens in the diagnosis of infectious ulcerative keratitis (IUK). Methods: Prospective study. Methods: 48 animals (26 dogs, 13 horses, 7 cats, 1 bird, and 1 llama) with corneal ulcers. Methods: Scrapings from corneal ulcers were examined cytologically. Corneal swab specimens were submitted for microbial culture. Animals were grouped according to whether they had been receiving antimicrobials at the time of admission. Results: Of the 38 animals receiving antimicrobials, 19 had positive results ...
Healing characteristics of deep digital flexor tenorrhaphy within the digital sheath of horses. To describe the healing characteristics of deep digital flexor tenorrhaphy within the digital sheath. Methods: Experimental study. Methods: Five mature horses. Methods: Right thoracic limb, deep digital flexor tenorrhaphy was performed within the digital sheath. Limbs were cast in partial flexion using a short limb cast for 6 weeks. Next, extended heel shoes were used for limb support for 14 weeks. Healing was evaluated by sequential ultrasonographic examinations, and limb use was evaluated by force plate analysis. At 26 weeks, mechanical strength and morphologic characteristics of the repair ...
Scapulohumeral arthrodesis in miniature horses. To describe surgical arthrodesis of the scapulohumeral joint and to evaluate its efficacy in reducing morbidity associated with severe shoulder dysfunction in miniature horses. Methods: Retrospective study. Methods: Four miniature horses. Methods: Medical records and radiographs were reviewed for history, physical examination findings, lameness evaluation, radiographic evaluation, surgical techniques, postoperative complications, and outcome. A 10- or 11-hole, 4.5-mm narrow dynamic compression plate and 4.5-mm cortical screws were applied to the cranial surface of the scapula and cranial surfa...
[Diagnosis of Lawsonia intracellularis using the polymerase chain reaction (PCR) in pigs with and without diarrhea and other animal species]. Lawsonia (L.) intracellularis, an obligately intracellular bacterium, causes proliferative enteropathy (PE) in swine and, occasionally, in other animals. To determine the spread of the agent among German pig herds pooled fecal samples of five animals each of clinically normal Hessian pig herds collected between november 1998 and february 1999 as well as feces (n = 1684) from individual animals representing 648 herds, sent to our laboratory by veterinarians from all parts of Germany, were tested for L. intracellularis using the polymerase chain reaction (PCR). In addition, fecal samples from di...
Recovery of live immature cyathostome larvae from the faeces of horses by Baermann technique. It was demonstrated in the present study that a simple Baermann technique using disposable materials, was successful in detecting living, motile cyathostome larvae in the faeces of horses.
Evaluation of a continuous glucose monitoring system for use in dogs, cats, and horses. To evaluate a continuous glucose monitoring system (CGMS) for use in dogs, cats, and horses. Methods: Prospective clinical study. Animals-7 horses, 3 cats, and 4 dogs that were clinically normal and 1 horse, 2 cats, and 3 dogs with diabetes mellitus. Methods: Interstitial glucose concentrations were monitored and recorded every 5 minutes by use of a CGMS. Interstitial glucose concentrations were compared with whole blood glucose concentrations as determined by a point-of-care glucose meter. Interstitial glucose concentrations were also monitored in 2 clinically normal horses after oral and i.v...
Abnormal synaptic protein expression in two Arabian horses with equine degenerative myeloencephalopathy. Numerous swollen neurons and multiple dystrophic axons were observed in the gracillis and cuneatus nuclei of two male Arabian horses, aged six and 12 months of age, with equine degenerative myeloencephalopathy. Swollen neurons and dystrophic axons showed synaptophysin, synaptosomal-associated protein of 25 kDa, syntaxin-1 and alpha-synuclein immunoreactivity. Moreover, dystrophic axons were strongly immunopositive against the ubiquitin protein and against the anti-phosphorylated 200 kDa neurofilament protein. Abnormal expression of integral synaptic vesicle, synaptic vesicle-associated presyna...
Evaluations of testicular biopsy by tru-cut in the stallion. Testicular biopsy is one of the supplementary examinations performed in the course
of andrological testing. In veterinary medicine, it is seldom used in low-fertility or
sterility testing, or in the investigation of suspected cancer. Biopsies are discouraged
in horses in particular, since they may result in testicular sclerosis and atrophy
(Galina, 1971; Smith, 1974; Marusi and Corradi, 1989; Varner, 1991; Del Vento et al.,
1992; Threlfall and Lopate, 1993; Roser, 2000). In humans (Foresta and Varotto,
1992; Foresta et al., 1992; Kessaris et al., 1995; Harrington et al., 1996) good resul...
Standardization of transcranial magnetic stimulation in the horse. The influence of coil position on the peak-to-peak amplitude and onset latency of transcranial magnetic motor evoked potentials (MMEPs) in the extensor carpi radialis and cranial tibial muscles of horses was evaluated. Seven different stimulating coil positions were obtained by constructing a frame on the forehead. Two stimulation intensities (80% and 100% of maximal stimulator output) and two different coil currents (clockwise and counter-clockwise) were tested. For both recording sites MMEPs with the shortest onset latency and the largest peak-to-peak amplitude were detected when the coil wa...
Evaluation of stress during transport. Domestic animals are transported for a variety of reasons including breeding, biomedical purposes, slaughter and, in the case of sporting horses, for competitions, pleasure activities or ceremonial proceedings. Studies to determine the amount of stress on farm animals during transport often have highly variable results and are difficult to interpret. The reaction of animals to stressors depends on the duration and intensity of the stressors, the animal's previous experience, its physiological status and the immediate environmental restraints. Behavioural, haematological, haematochemical, physi...
Bronchoalveolar lavage fluid findings in the atelectatic regions of anesthetized horses. To evaluate the effects of compression atelectasis on the composition of pulmonary secretions in anesthetized horses, cytological and biochemical examinations were performed on bronchoalveolar lavage (BAL) fluids obtained from both dependent and independent lung regions. Six horses were anesthetized with isoflurane and oxygen for 120 min, and were positioned in right lateral recumbency. Percentage of neutrophils and total protein concentration in BAL fluids significantly increased at the end of anesthesia, and total phosphorous concentration significantly decreased at 72 hr after anesthesia in...
West Nile virus activity–United States, September 25-October 1, 2003. This report summarizes West Nile virus (WNV) surveillance data reported to CDC through ArboNET as of 3 a.m., Mountain Daylight Time, October 1, 2003.
Long-term study of Cryptosporidium prevalence on a lowland farm in the United Kingdom. A longitudinal sample survey testing for Cryptosporidium in livestock and small wild mammals conducted over 6 years (1992-1997) on a lowland farm in Warwickshire, England, has shown the parasite to be endemic and persistently present in all mammalian categories. Faecal samples were taken throughout the year and oocysts concentrated by a formal ether sedimentation method for detection by immunofluorescence staining using a commercially available genus specific monoclonal antibody. Cryptosporidium parvum was identified by morphology and measurement of modified Ziehl-Neelsen stained oocysts. C. m...
Suppression of circulating concentrations of FSH and LH by inhibin and estradiol during the initiation of follicle deviation in mares. The role of estradiol and inhibin in suppression of FSH and LH during the initiation of follicle deviation was examined in mares. In Experiment 1, the two largest follicles (F1, F2) were retained during a wave and the rest were ablated as they reached > or =10 mm. The largest follicle was left intact (control, n=12) or was ablated when it reached > or =20.0 mm (Day 0; expected beginning of deviation). The second largest follicle continued growing (n=9) or regressed (n=4) after F1 ablation. Circulating estradiol and total inhibin decreased after Day 0 in the F2-regressing group, whereas e...
Equine cyathostome populations: accuracy of species composition estimations. Historically, surveys of equine parasites either are not quantitative in regard to prevalence and intensities of cyathostome species, or if quantitative, are estimates based on the identification of a very small sample of the population. Commonly 100-200 worms are identified. In the current study cyathostomes from 10 ponies were counted and identified to species in subsets of approximately 200 worms each from 5% aliquots of the large intestine contents until all worms in the aliquot were examined. A mean of 10.9+/-4.3 species were identified by examining 200 cyathostomes from each animal. This...
Development and application of a scoring system for prognostic evaluation of equine liver biopsies. The study was designed to investigate the prognostic value of liver biopsy during investigation of cases of suspected liver disease in mature horses. Objective: That liver biopsy is the most prognostically useful technique in common usage in the investigation of suspected liver disease. Methods: This study examined the prognostic value of liver biopsy during the investigation of suspected liver disease in 73 mature horses. Histopathological variables comprising fibrosis, irreversible cytopathology, inflammatory infiltration, haemosiderin accumulation and biliary hyperplasia were found to be si...
Characterisation of movement pattern and velocities of stallion spermatozoa depending on donor, season and cryopreservation. The aim of the study was to compare different types of movement pattern and velocities of stallion spermatozoa depending on cryopreservation during breeding and non-breeding season. Ejaculates were collected from four stallions during May (n = 24) and December (n = 24). Parameters of sperm movement were evaluated by computer-aided sperm analysis (CASA) system, and included percentages of motile spermatozoa, different patterns of motility, the velocity, linearity (LIN), amplitude of lateral head displacement (ALH) and beat-cross frequency (BCF). In winter the average percentages of motility wer...
Ophthalmic lesions in 83 geriatric horses and ponies. Ophthalmic lesions were detected in 67 of 83 horses and ponies aged 15 years or more. Degeneration of the vitreous, followed by senile retinopathy, were the most common lesions and both of them became more common with advancing age, although few of the owners reported disturbances of vision in their animals.
