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In vivo estimation of body composition in Belgian Blue double-muscled bulls from urea space and fasted live weight

Published online by Cambridge University Press:  20 November 2017

S. De Campeneere ,
L.O. Fiems ,
J.M. Vanacker ,
B.G. Cottyn  and
Ch.V. Boucqué
S. De Campeneere
Affiliation:
Agricultural Research Centre – Ghent, Departement Animal nutrition and husbandry, Sections Cattle and pig husbandry, Scheldeweg 68, B-9090 Melle – Gontrode, Belgium Communication nr. 1086
L.O. Fiems
Affiliation:
Agricultural Research Centre – Ghent, Departement Animal nutrition and husbandry, Sections Cattle and pig husbandry, Scheldeweg 68, B-9090 Melle – Gontrode, Belgium Communication nr. 1086
J.M. Vanacker
Affiliation:
Agricultural Research Centre – Ghent, Departement Animal nutrition and husbandry, Sections Cattle and pig husbandry, Scheldeweg 68, B-9090 Melle – Gontrode, Belgium Communication nr. 1086
B.G. Cottyn
Affiliation:
Agricultural Research Centre – Ghent, Departement Animal nutrition and husbandry, Sections Cattle and pig husbandry, Scheldeweg 68, B-9090 Melle – Gontrode, Belgium Communication nr. 1086
Ch.V. Boucqué
Affiliation:
Agricultural Research Centre – Ghent, Departement Animal nutrition and husbandry, Sections Cattle and pig husbandry, Scheldeweg 68, B-9090 Melle – Gontrode, Belgium Communication nr. 1086
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Extract

Urea is non-toxic, not foreign to the body and it shows an even and rapid distribution throughout the total body water without any physiological effect or toxic manifestation. For these reasons and for its easy and accurate measurement, urea is an ideal tracer to estimate body composition in vivo. Total body water volume (urea space) can be estimated by dividing the total amount of urea infused by the increase in plasma urea concentration between prior to infusion and 12, 18 or 24 min after mean infusion time (Preston and Kock, 1973). In this experiment the urea infusion technique was evaluated to estimate body composition of Belgian Blue double-muscled bulls.

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Proceedings of the British Society of Animal Science , Volume 1999 , 1999 , pp. 50
Copyright
Copyright © The British Society of Animal Science 1999

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References

Preston, R.L. and Kock, S.W. 1973. In vivo prediction of body composition in cattle from urea space measurements. Pro. Soc. Exp. Biol. Med. 143: 1057–1061.CrossRefGoogle ScholarPubMed