Cited by 19Hemoglobin structure and functionAnimal health and immunologyGenetic and phenotypic traits in livestock

Blood oxygen binding in double-muscled calves and dairy calves with conventional muscle conformation

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Cambier, Carole, Clerbaux, Thierry, Detry, Bruno, Beerens, Dominique, Frans, Albert, Gustin, Pascal·2000·American Journal of Veterinary Research

Abstract

OBJECTIVE: To assess in vivo blood oxygen binding in double-muscled calves and dairy calves with conventional muscle conformation. ANIMALS: 58 dairy and 48 double-muscled calves. PROCEDURE: Calves were classified as neonatal (24 hours old) or older calves (2 to 26 days old). Venous and arterial blood samples were collected, and hemoglobin concentration, pH, PCO2, and PO2 were determined. Blood oxygen equilibrium curves (OEC) under standard conditions were constructed, and the oxygen exchange fraction (OEF) and the amount of oxygen released at the tissue level by 100 ml of blood (OEF Vol%) were calculated. RESULTS: In each breed, partial pressure of oxygen at 50% saturation of hemoglobin (P50) under standard conditions was significantly higher in older than in neonatal calves, indicating a right shift in OEC with age. Venous P50 was significantly lower in neonatal double-muscled calves than in neonatal dairy calves, but arterial and venous P50 were significantly higher in older double-muscled calves than in older dairy calves. In double-muscled, but not in dairy, calves, OEF was significantly higher in older than in neonatal calves. In neonatal calves, OEF Vol% was not significantly different between breeds, but OEF Vol% was significantly higher in older double-muscled calves than in older dairy calves. CONCLUSIONS AND CLINICAL RELEVANCE: The lower OEF in neonatal double-muscled calves, compared with dairy calves, could contribute to the higher sensitivity of double-muscled calves to hypoxia. Blood oxygen affinity decreased with age, but OEF and OEF Vol% were unchanged with age in dairy calves, whereas they increased with age in double-muscled calves.

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  1. Gustin P, Dhem A, Lomba F, et al. Cardiopulmonary func- tion values in double-muscled cattle during muscular exercise. Vet Res Commun 1988;12:407-416.

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Authors
Cambier, C., Clerbaux, T., Detry, B., Beerens, D., Frans, A., & Gustin, P.
Affiliations
Cliniques Universitaires Saint-Luc (BE)
Venue
American Journal of Veterinary Research
Published
2000-03-01
Volume
61
Issue
3
Pages
299-304
ISSN
0002-9645 (ISSN-L)
OpenAlex
W2154679740
Cited by
19
References
18
Citations by year
2023: 1 · 2021: 1 · 2018: 1 · 2017: 1 · 2014: 1 · 2012: 1
FWCI
0.64
Type
journal article
Language
en
Open access
Locations
  • American Journal of Veterinary Research (publishedVersion)
  • PubMed (publishedVersion)
  • DIAL (Catholic University of Leuven) (submittedVersion)
  • ORBi (University of Liège) (submittedVersion, other-oa)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Hemoglobin structure and function
  • Health Sciences › Veterinary › Small Animals › Animal health and immunology
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetic and phenotypic traits in livestock
Keywords
dairy calves, oxygen equilibrium curve, P50, hypoxia sensitivity, neonatal calves, age-related changes, hemoglobin oxygen affinity
MeSH terms
Adenosine Triphosphate, Age Factors, Animals, Animals, Newborn, Blood Gas Analysis, Body Temperature, Cattle, Female, Hemoglobins, Hydrogen-Ion Concentration, Male, Oxygen, Phosphates, Regression Analysis, Muscle, Skeletal, 2,3-Diphosphoglycerate

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