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Topic:Biotechnology
Biotechnology in horses encompasses the application of biological techniques and tools to enhance equine health, performance, and reproduction. This field includes genetic engineering, cloning, and the development of vaccines and therapeutics tailored to equine physiology. Techniques such as gene editing and stem cell therapy are explored for their potential to address genetic disorders, improve tissue regeneration, and enhance disease resistance in horses. Additionally, advancements in reproductive biotechnology, such as artificial insemination and embryo transfer, contribute to genetic diversity and breeding efficiency. This page compiles peer-reviewed research studies and scholarly articles that investigate the applications, methodologies, and implications of biotechnology in equine science.
The purification of cholinesterase from horse serum. A relatively simple method is described by which cholinesterase was purified about 19000-fold starting from horse serum. Typically 20 litres of serum were processed to yield 15-18mg of electrophoretically pure cholinesterase in the form of an active salt-free dry powder. The method included two stages: fractionation with (NH(4))(2)SO(4) and ion-exchange chromatography. The (NH(4))(2)SO(4) stage included, in principle, the acid (pH3) step of the Strelitz (1944) procedure. The step took advantage of the stabilizing effect that 33%-satd. (NH(4))(2)SO(4) has on cholinesterase activity at pH3 and i...
Plasmapheresis of horses by extracorporeal circulation of blood. A simple apparatus is described for the collection of plasma from horses while maintaining their blood in extracorporeal circulation. Using this device, nearly 2.5 kg of plasma protein was collected from a horse during a period of 3 weeks without any obvious adverse effect upon the animal. The blood’s packed cell volume showed little variation throughout this period, although its content of plasma protein was found to fall. The normal plasma protein level was almost completely re-established after 3 weeks rest. A horse immunized with tetanus toxoid and subjectcd to repeated cycles of plasmap...
Electrical dose for ventricular defibrillation of large and small animals using precordial electrodes. Electrical ventricular defibrillation of heavy subjects (over 100 kg body weight) is uncommon for the human or any animal species. This paper reports trans-chest ventricular defibrillation of subjects ranging in weight from 2.3 to 340 kg using conventional defibrillation current (heavily damped sine wave) of 0.3-30 ms duration. It was found that a body weight-to-electrical-shock strength relationship exists and can be expressed in terms of either electrical energy or peak current. For the duration of current pulse used clinically (3-10 ms), the relationship between energy requirement and body ...
Cultural characteristics of a cell line derived from an equine sarcoid. A cell line, derived from a spontaneous equine connective tissue tumor (equine sarcoid), has been established. The morphological and growth characteristics indicative of malignant transformation of the cells include a disoriented, rapid growth and loss of contact inhibition. Further evidence of transformation is the agglutination of these cells by concanavalin A and their ability to divide in semisolid media.
