Early detection of bovine respiratory disease in young bulls using reticulo-rumen temperature boluses

Abstract : The use of reticulo-rumen temperature boluses to detect bovine respiratory disease (BRD) was investigated in young bulls following their entry into a fattening unit. Twenty-four bulls received a bolus at entry and were observed for 40 days. As soon as a reticulo-rumen hyperthermia (RH) episode was detected using the bolus, clinical examination was performed by a veterinarian and then repeated every 12-24 h until the end of RH episode. Fifty-two RH episodes were detected in 22 animals. High rectal temperatures (40.1 ± 0.6 °C) were observed during these episodes. BRD was diagnosed on the basis of clinical examination during 38/52 RH episodes in 21 animals (positive predictive value 73%). The onset of BRD signs always occurred after the onset of RH episodes, with a time-lag from 12 to 136 h, depending on BRD signs. Monitoring reticulo-rumen temperature permits early detection of BRD; however, clinical examination is required to confirm BRD.
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The Veterinary Journal, Elsevier, 2010, 190 (1), pp.136-142. 〈10.1016/j.tvjl.2010.09.012〉
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https://hal.inria.fr/inria-00543356
Contributeur : René Quiniou <>
Soumis le : lundi 6 décembre 2010 - 13:35:51
Dernière modification le : jeudi 26 octobre 2017 - 11:12:03

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Edouard Timsit, Sébastien Assié, René Quiniou, Henri Seegers, Nathaie Bareille. Early detection of bovine respiratory disease in young bulls using reticulo-rumen temperature boluses. The Veterinary Journal, Elsevier, 2010, 190 (1), pp.136-142. 〈10.1016/j.tvjl.2010.09.012〉. 〈inria-00543356〉

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