Applications of diagnostic ultrasonography in small ruminant reproductive management

Animal Reproduction Science
P R Scott

Abstract

Modern portable ultrasound machines provide the veterinary clinician with an inexpensive and non-invasive method to further examine the reproductive tract of both male and female sheep on farm which should take no more than 5 min with the results available immediately. Unlike cattle, ultrasound examination of the ovaries is not undertaken because failure to cycle during the normal season is rare in sheep and there are no common ovarian conditions causing acyclicity. Accurate diagnosis of foetal number has greatly improved the nutritional management of late gestation ewes over the past 30 years. Late gestation nutritional supply in response to foetal demand greatly reduces perinatal lamb mortality by ensuring lamb birthweight and ewe colostrum accumulation. The contents of vaginal prolapse have been determined using ultrasonography which has led to an improved method for correction. A retained foetus when second stage labour is considered to have been completed, and uterine torsion, can be identified during ultrasound examination allowing timely correction. Ultrasonographic examination of palpable scrotal abnormalities can provide much useful information particularly in the diagnosis of epididymitis, orchitis and testicular atro...Continue Reading

References

Nov 1, 1989·The British Veterinary Journal·P R Scott
Jun 25, 1998·The Veterinary Journal·P R Scott, M E Gessert
Aug 27, 1999·Veterinary Radiology & Ultrasound : the Official Journal of the American College of Veterinary Radiology and the International Veterinary Radiology Association·F KaracaT Tekeli
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Apr 1, 1993·Theriogenology·A GarcíaR A Pierson

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Citations

Oct 29, 2013·The Veterinary Record·C FridlundL Söderquist
Feb 24, 2012·Animal Reproduction Science·G C FthenakisI Valasi
May 18, 2016·The Journal of Veterinary Medical Science·Khaled AbouelnasrSabry El-Khodery
Mar 13, 2019·Veterinary Radiology & Ultrasound : the Official Journal of the American College of Veterinary Radiology and the International Veterinary Radiology Association·John DascanioDana Botsko
Aug 8, 2020·The Journal of Veterinary Medical Science·El-Sayed El-ShafaeyWalid Refaai
Dec 29, 2020·The Veterinary Clinics of North America. Food Animal Practice·Jamie L Stewart, Clifford F Shipley
Aug 15, 2021·Veterinary Medicine and Science·Jiregna Dugassa KitessaAbebe Wirtu Afata

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