Microstructure and mineral content of femora in male turkeys with and without fractures

Microscopic and radiographic observations, as well as ash, calcium, phosphorus, copper, manganese, and zinc concentrations, were evaluated from femora of 32- to 35-wk-old male turkeys from two different farms (A and B). Turkeys from Farm A were divided into birds with femoral fracture (AF) and witho...

Full description

Saved in:
Bibliographic Details
Published in:Poultry science 2002-08, Vol.81 (8), p.1184-1190
Main Authors: Crespo, R, Stover, S M, Shivaprasad, H L, Chin, R P
Format: Article
Language:English
Subjects:
Animals
Calcium - analysis
Copper - analysis
Femoral Fractures - metabolism
Femoral Fractures - pathology
Femoral Fractures - veterinary
Femur - chemistry
Femur - diagnostic imaging
Femur - ultrastructure
Male
Manganese - analysis
Microradiography
Minerals - analysis
Phosphorus - analysis
Poultry Diseases - diagnostic imaging
Poultry Diseases - metabolism
Poultry Diseases - pathology
Turkeys
Zinc - analysis
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:Microscopic and radiographic observations, as well as ash, calcium, phosphorus, copper, manganese, and zinc concentrations, were evaluated from femora of 32- to 35-wk-old male turkeys from two different farms (A and B). Turkeys from Farm A were divided into birds with femoral fracture (AF) and without femoral fracture (ANF). Turkeys from Farm B did not have femoral fractures (BNF). In the mid-diaphyseal cortex of turkeys without femoral fractures, collagen fibers were evenly distributed parallel to the transverse plane of bone surface. In contrast, collagen fibers were disorganized and the cortex was osteoporotic in turkeys with femoral fractures. Each turkey with femoral fractures also had callus on the mediocaudal region of the femoral middiaphysis. The periosteal callus was interrupted at the insertion of the puboischiofemoralis muscle. Muscle attachment to the bone might have interfered with the formation of periosteal callus. The concentration of calcium was lower in the cortex of turkeys in group AF compared to turkeys in groups ANF and BNF. The focal nature of the callus, along with the low levels of calcium, is indicative of a local repair response with alteration in cortical structure and altered concentrations of minerals in the cortex. These changes in the bone and the routine handling of the birds might have predisposed the turkeys to complete fractures of the femur.
ISSN:0032-5791
DOI:10.1093/ps/81.8.1184