Physiologic Values of Broiler Femurs at Different Growth Phases Using Bone Densitometry and Bone Breaking Strength


Authors

  • F.R. Barreiro Department of Preventive Veterinary Medicine, Universidade Estadual Paulista "Julio de Mesquita Filho", Jaboticabal, Brazil, 14870-000
  • L.A. Amaral Department of Preventive Veterinary Medicine, Universidade Estadual Paulista "Julio de Mesquita Filho", Jaboticabal, Brazil, 14870-000
  • A.C. Shimano Department of Biomechanic, Medicine and Rehabilitation of Locomotor System, Universidade de Sao Paulo, Ribeirao Preto, Brazil, 14049-900
  • J.C.R. Alva Department of Animal Morphology and Physiology, Universidade Estadual Paulista "Julio de Mesquita Filho", Jaboticabal, Brazil, 14870-000
  • J.C. Barbosa Department of Statistical Analysis, Universidade Estadual Paulista "Julio de Mesquita Filho", Jaboticabal, Brazil, 14870-000
  • S.M. Baraldi-Artoni Department of Animal Morphology and Physiology, Universidade Estadual Paulista "Julio de Mesquita Filho", Jaboticabal, Brazil, 14870-000

DOI:

https://doi.org/10.3923/ijps.2011.530.533

Keywords:

Bone breaking strength, broiler, bone radiographic density, femur, growth, physiology

Abstract

The objective of this experiment was to determine the normal values of Bone Radiographic Density (BRD) by using the optical densitometry in radiographic images and the Bone Breaking Strength (BBS) of broiler femurs at different ages (8, 22 and 42 d of age). A total of 60 Cobb male broilers were distributed in three age groups of 20 birds. The BRD and the BBS (maxim force and rigidity) values increased (p<0.01) over the course of ages, presenting greater values at 42 d of age when comparing to 8 and 22 d of age, evidencing a biomechanical adaptation of femur to growth. This experiment offers results that can be used in other experiments of broilers fed with different nutritional levels and they can also be related to pathological values, allowing the diagnosis of diseases that affect the integrity of the poultry leg.

References

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Published

2011-06-15

Issue

Vol. 10 No. 7 (2011)

Section

Research Article

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Copyright (c) 2011 Asian Network for Scientific Information

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How to Cite

Barreiro , F., Amaral, L., Shimano, A., Alva, J., Barbosa, J., & Baraldi-Artoni, S. (2011). Physiologic Values of Broiler Femurs at Different Growth Phases Using Bone Densitometry and Bone Breaking Strength. International Journal of Poultry Science, 10(7), 530–533. https://doi.org/10.3923/ijps.2011.530.533