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Topic:Disease control
Disease control in horses encompasses the strategies and measures implemented to prevent, manage, and eradicate infectious and non-infectious diseases within equine populations. This field involves the study of pathogen transmission, host-pathogen interactions, and the development of effective vaccination and biosecurity protocols. Disease control also includes monitoring and surveillance of equine health to identify outbreaks and implement timely interventions. Key aspects of disease control in horses involve understanding the epidemiology of equine diseases, improving diagnostic techniques, and enhancing treatment options. This page compiles peer-reviewed research studies and scholarly articles that explore various methodologies, technologies, and practices aimed at controlling diseases in horses, with a focus on improving overall equine health and welfare.
Immunogenicity of equine herpesvirus type 1 (EHV1) and equine rhinovirus type 1 (ERhV1) following inactivation by betapropiolactone (BPL) and ultraviolet (UV) light. Some kinetic data on the inactivation of equine herpesvirus type 1 (EHV1) and equine rhinovirus type 1 (ERhV1) by betapropiolactone (BPL) and ultraviolet (UV) irradiation are reported. 0.25% BPL at 37 degrees C for 1 h reduced the titre of EHV1 by greater than 10(3 . 4) and of ERhV1 by greater than 10(4 . 1) TCID50/ml. UV irradiation (334 microW/cm2) produced similar reductions in titre after 2 min. These data were used as a basis for inactivating EHV1 and ERhV1 by the combined action of BPL and UV irradiation. Viruses were exposed to 0.1% BPL for 1 h at 4 degrees C with constant stirring, fol...
Irradiated larval vaccination of ponies against strongylus vulgaris. Nonimmune pony foals 9 to 12 mo of age were vaccinated with third-stage Strongylus vulgaris larvae (L3) irradiated with 70, 100, or 130 Kr of gamma radiation. Ponies receiving per os inoculations of L3 irradiated with 70 or 100 Kr were protected from the clinical disease and lesions associated with challenge infections of 4,300 L3, when compared to nonvaccinated controls. Similarly, the numbers of worms from the challenging population recovered from successfully vaccinated animals were significantly lower than from nonvaccinated controls. The degree of resistance that develops in individuals c...
Horse erythrocyte glycoprotein-latex reagent that reacts with infectious mononucleosis heterophile antibody. A sialoglycoprotein from horse erythrocytes was isolated in essentially homogeneous form and found to contain the neuraminidase-sensitive determinant of the horse erythrocyte for Paul-Bunnell heterophile antibodies of infectious mononucleosis. This reactivity was retained after covalent coupling of the antigen to latex particles. The latex reagent has greater stability (greater than 3 years) than either fresh or preserved horse erythrocytes. It can be used in a direct slide test; no absorption of the serum is necessary. The new test compared favorably with some standard tests for infectious mo...
Mortality from tetanus neonatorum in Punjab (Pakistan). Researchers conducted a survey study of 59,598 households in 3 major socioeconomic groups (urban slums, rural agricultural areas, and rural cattle and horse raising areas) in the Punjab province of Pakistan to estimate mortality from neonatal tetanus and to develop a strategy for its control. The investigators learned of 13,831 live births. 724 of these died in the 1st month of life with 432 (60%) dying from neonatal tetanus. Village untrained "dai" or trained midwives delivered all infants in all 3 areas. Often these deliverers placed cow dung on the stump of the severed umbilical cord and us...
Survey of equine hydatidosis in Great Britain. A survey of 1141 horses and ponies, for the presence of hydatid infection, was carried out at an export meat plant near Bristol. Lesions were attributed carefully by morphological, histological and immunological examinations and assessed by flame cell activity. All available detail concerning the animals was recorded. The surveys in the literature were assessed for the criteria on which their figures were based and were compared with the findings of this present survey. Attention was drawn to the apparent discord between the results of some surveys and others.
Rn for treatment of periocular fibrous connective tissue sarcomas in the horse. Twelve periocular fibrous connective tissue sarcomas in 11 horses were treated with 222Rn. Follow-up periods ranged from 1 to 6 years; the overall nonrecurrence rate at 12 months after therapy was 92%. Two lesions recurred 2 years after treatment, and 1 after 3 years. One of the former lesions has not recurred after a 2nd 222Rn treatment.
Application of a chemically inactivated, adjuvanted vaccine to control abortigenic infection of mares by equine herpesvirus I. A chemically inactivated, adjuvanted vaccine prepared from a virulent strain of Equine herpesvirus I (EHV-I) was used to immunize pregnant Thoroughbred broodmares during a five-year field test designed to determine its safety and efficacy. Each mare in the vaccinated groups received 3 intramuscular injections of vaccine beginning immediately prior to and during the last half of pregnancy. Vaccine was injected at approximately 60-day intervals. The accumulated incidence of EHV-I abortions among vaccinated mares during the field trial period was 1.6/1000 as compared with an incidence of 6.8/1000...
Antibody responses of horses to equine influenza viruses during a postepizootic period in Japan. The antibody responses to equine influenza viruses were investigated during a postepizootic period of the disease. Serum samples were collected from a total of 128 horses on three occasions during the years 1967-77. No significant increase of hemagglutination-inhibition antibody titers to subtypes 1 and 2 of equine influenza virus were detected in any of the sera tested. The maternal hemagglutination-inhibition antibody titers of foals decreased over a four month interval. A marked increase of the titers was recognized in only the equine influenza virus vaccinated horses. These findings sugges...
[Sensitivity and fidelity of the rabies laboratory diagnosis]. The author describes a method for evaluating the minimal number of diagnosis failures for each animal species (this diagnosis uses the Fluorescent Rabies Antibodies Test and mouse inoculation simultaneously). The percentage of well diagnosed rabid animals on total rabid ones is called sensibility of the diagnosis: it varies according to the species of animal examined: from 99.98% for the fox, to 98.61% for the horse. The percentage of errored negative diagnosis on total negative diagnosis is called infidelity of negative responses: it varies for each species according to the sensibility of the...
