Epidemiological investigation of femoral fractures in market pigs and the associated economic implications.
The cause of an increased number of femoral fractures in market pigs from a single producer is described. Blood chemical, bone ash, radiographic, and feed analyses revealed that the fractures were caused by insufficient calcium in the diet. Associated economic and welfare implications are discussed.
Canadian Food Inspection Agency, 1410 Caribou Street West, Moose Jaw, Saskatchewan S6H 7S9. reza.hejazi@inspection.g.c.ca
Reza
R
Hejazi
Allison J
AJ
Danyluk
D000821:Animal Feed / Q000032:analysis; D000824:Animal Nutritional Physiological Phenomena; D000818:Animals; D001774:Blood Chemical Analysis / Q000662:veterinary; D002118:Calcium / Q000097:blood / Q000172:deficiency*; D002136:Calcium, Dietary / Q000008:administration & dosage*; D002762:Cholecalciferol / Q000097:blood / Q000172:deficiency; D003132:Commerce / Q000191:economics*; D005264:Femoral Fractures / Q000191:economics / Q000453:epidemiology / Q000209:etiology / Q000662:veterinary*; D010758:Phosphorus / Q000097:blood; D013552:Swine / Q000293:injuries*
D002136:Calcium, Dietary; D002762:Cholecalciferol; D010758:Phosphorus; D002118:Calcium