Article (Scientific journals)
Use of the monofrequency forced oscillation technique to measure changes in upper airway resistance in Friesian and blue Belgian calves
Reinhold, Petra; Genicot, Bruno; Close, Roland et al.
1996In Research in Veterinary Science, 61 (3), p. 227-230
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Keywords :
Oscillometry; pulmonary function; calves
Abstract :
[en] Monofrequency forced oscillometry (MFO) using a sinusoidal test signal of one frequency (10 Hz) was compared with the classical pulmonary function technique (using an oesophageal balloon with airflow measurements) in two breeds of cattle which differ in their respiratory physiology, particularly to assess changes in upper airway resistance. Six healthy male Friesian calves (mean [SD] bodyweight 131 [12] kg) and six healthy male blue Belgian calves (mean [SD] bodyweight 137 [13] kg) were examined successively with their heads either in a normal position or held vertically, using a cross-over study design. In the normal position, higher resistances, a higher respiratory impedance, and lower values of the dynamic lung compliance (Cdyn) were measured in the blue Belgian than in the Friesian calves. In the vertical head position, total pulmonary resistance (RL) increased and Cdyn decreased significantly (P < 0.05). The changes in MFO-derived parameters were in accordance with the changes in classical parameters, and for both methods, the percentage changes were markedly higher in the blue Belgian calves.
Disciplines :
Veterinary medicine & animal health
Author, co-author :
Reinhold, Petra;  Federal Institute for Health Protection of Consumers and Veterinary Medicine, Jena Branch
Genicot, Bruno
Close, Roland
Lekeux, Pierre ;  Université de Liège - ULiège > Département de sciences fonctionnelles > Physiologie - Doyen de la Faculté de Médecine vétérinaire
Language :
English
Title :
Use of the monofrequency forced oscillation technique to measure changes in upper airway resistance in Friesian and blue Belgian calves
Publication date :
1996
Journal title :
Research in Veterinary Science
ISSN :
0034-5288
eISSN :
1532-2661
Publisher :
British Veterinary Association, London, United Kingdom
Volume :
61
Issue :
3
Pages :
227-230
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 09 March 2012

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