Báo cáo thú y: "A study on the applicability of implantable microchip transponders for body temperature measurements in pigs."

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: A study on the applicability of implantable microchip transponders for body temperature measurements in pigs. | Lohse etal. Acta VeterinariaScandinavica 2010 52 29 http content 52 1 29 AVS ACTAVETERINARIA Scatand n SCANDINAVICA RESEARCH Open Access A study on the applicability of implantable microchip transponders for body temperature measurements in pigs Louise Lohse 1 Ase Uttenthal1 Claes Enoe2 and Jens Nielsen 1 Abstract Background The applicability of an electronic monitoring system using microchip transponders for measurement of body temperatures was tested in 6-week-old conventional Danish weaners infected with classical swine fever virus CSFV . Subcutaneous tissue temperatures obtained by the implantable transponders were compared with rectal temperatures recorded by a conventional digital thermometer. Methods In a preliminary study transponders were inserted subcutaneously at 6 different positions of the body of 5 pigs. The transponders positioned by the ear base provided the best correlation to rectal temperature. To test the stability of the monitoring system in a larger group of pigs transponders were therefore inserted by the left ear base in a subsequent infection experiment with 30 pigs. Results Generally the microchip transponders measured a subcutaneous tissue temperature which was about 1 C lower than the rectal temperature. However a simple linear relationship between the measures of the two methods was found. Conclusions Our study showed that the tested body monitoring system may represent a promising tool to obtain an approximate correlate of body temperatures in groups of pigs. In contrast however the tested system did not constitute a suitable tool to measure body temperatures of individual animals in the present pig infection experiment. Background A major part of our research concerning viral infections in domestic animals involves investigations of the hostvirus interaction based on infectious animal experimental studies 1-3 . The clinical monitoring of these studies inevitably includes registration of the animal s body .

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