Current Therapy in Large Animal Theriogenology Vol. 2 by Robert S. Youngquist, Walter Threlfall

By Robert S. Youngquist, Walter Threlfall

A vital source for either scholars and practitioners, this complete textual content presents sensible, updated information regarding common replica and reproductive issues in horses, farm animals, small ruminants, swine, llamas, and different farm animals. that includes contributions from specialists within the box, every one part is dedicated to another huge animal species and starts with a evaluate of the clinically appropriate features of the reproductive anatomy and body structure of either men and women. Key issues comprise the review of breeding soundness, being pregnant analysis, analysis and remedy of infertility, abortion, obstetrics, surgical procedure of the reproductive tract, care of neonates, and the newest reproductive technology.Includes assurance of all huge animal species.All sections offer a overview of clinically pertinent reproductive body structure and anatomy of ladies and men of every species.Complete assurance of the most up-tp-date reproductive know-how, together with embryo move, estrous synchronization, and synthetic insemination.A new part on substitute farming that addresses replica in bison, elk, and deer.New to the equine part: stallion administration, infertility, and breeding soundness evaluation.New to the bovine part: estrous cycle synchronization, reproductive biotechnology, ultrasonographic selection of fetal gender, heifer improvement, and analysis of abortion.New to the porcine part: man made insemination, boar/stud administration, ailments of postpartum interval, and infectious ailment control.New to the llama part: infectious disorder and nutrients.

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INFECTIOUS DISEASES Systemic Infections Systemic infectious diseases may decrease fertility by causing reproductive tract inflammation or through their effects on other systems. Such conditions may be readily transmissible through a variety of means, including venereal. Systemic illness or any condition that causes pyrexia may decrease fertility. Prolonged pyrexia, inflammation of the scrotum, testes, or epididymides, may interfere with the thermoregulatory mechanism of the testes. Compromise of the thermoregulatory mechanism results in a significant reduction of progressively motile spermatozoa, increased morphologic defects, and significant reduction of total sperm.

4-6 Varicocele of the left pampiniform plexus in a stallion, resulting in abnormal thickening of the scrotal neck on the affected side. (From Varner DD, Schumacher J, Blanchard TL, Johnson L: Diseases and Management of Breeding Stallions. St. ) Definitive treatment of stallions affected with varicocele is removal of the affected cord and testis, but therapy is unnecessary if seminal quality is unaffected. 32 A hydrocele has formed in a small percentage of human beings following ligation of the spermatic vein.

Incarcerated intestine is most easily reduced by placing traction on it through a small ventral midline celiotomy. Often, the vaginal ring is so constricting that the intestine cannot be returned to the abdominal cavity without first enlarging the ring. The ring can be enlarged by cutting it with a curved bistoury or scissors. Devitalized intestine (Fig. 4-2) can be resected and anastomosed at the inguinal incision, but resection and anastomosis are usually more easily accomplished after the intestine is returned to the abdominal cavity and exteriorized through a celiotomy at the ventral midline.

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