Tuyển tập các báo cáo nghiên cứu về bệnh học thý y được đăng trên tạp chí Acta Veterinaria Scandinavica cung cấp cho các bạn kiến thức về bệnh thú yđề tài: Ultrasonography of the reticulum in 30 healthy Saanen goats. | Braun and Jacquat Acta Veterinaria Scandinavica 2011 53 19 http content 53 1 19 AVS ACTAVETERINARIA SCANDINAVICA RESEARCH Open Access Ultrasonography of the reticulum in 30 healthy Saanen goats Ueli Braun Désirée Jacquat Abstract Background The reticulum plays a crucial role in the ruminant digestive tract because the primary cycle of rumen motility always starts with a reticular contraction. In contrast to cattle there are only few results on the ultrasonographic examination of the reticulum in goats. Therefore it was the goal of the present study to describe the results of ultrasonography of the reticulum of 30 healthy Saanen goats. Methods Ultrasonography was carried out on standing non-sedated animals using a MHz linear transducer. The shape contour and motility of the reticulum were investigated. A nine-minute video recording of the reticulum was made for each goat and the frequency duration and amplitude of reticular contractions were calculated as described for cattle. Results The reticulum appeared as a crescent-shaped structure with a smooth contour located immediately adjacent to the diaphragm. to reticular contractions were seen per minute. In all goats biphasic reticular contractions were observed. 90 of the goats also had monophasic reticular contractions and two had triphasic contractions. During the nine-minute observation periods there were 0 to 6 monophasic reticular contractions and 6 to 15 biphasic contractions per goat. The duration of the biphasic contractions was s which was significantly longer than the monophasic contractions at s. The average interval between two reticular contractions was s. Conclusion Ultrasonography of the reticulum in goats is a valuable tool to characterise the appearance and motility of this organ. In addition to the biphasic motility pattern seen in cattle the reticular motility of goats is characterized by monophasic reticular contractions. .
