MAHMOUD, A., NAFADY, A. (1988). INCIDENCE OF ECTOPIC PULMONARY CARTILAGE AND BONE IN FOREIGN AND NATIVE BREEDS OF CHICKEN. test, 20.1(39), 95-98. doi: 10.21608/avmj.1988.189321
A.Z. MAHMOUD; A. NAFADY. "INCIDENCE OF ECTOPIC PULMONARY CARTILAGE AND BONE IN FOREIGN AND NATIVE BREEDS OF CHICKEN". test, 20.1, 39, 1988, 95-98. doi: 10.21608/avmj.1988.189321
MAHMOUD, A., NAFADY, A. (1988). 'INCIDENCE OF ECTOPIC PULMONARY CARTILAGE AND BONE IN FOREIGN AND NATIVE BREEDS OF CHICKEN', test, 20.1(39), pp. 95-98. doi: 10.21608/avmj.1988.189321
MAHMOUD, A., NAFADY, A. INCIDENCE OF ECTOPIC PULMONARY CARTILAGE AND BONE IN FOREIGN AND NATIVE BREEDS OF CHICKEN. test, 1988; 20.1(39): 95-98. doi: 10.21608/avmj.1988.189321

INCIDENCE OF ECTOPIC PULMONARY CARTILAGE AND BONE IN FOREIGN AND NATIVE BREEDS OF CHICKEN

Assiut Veterinary Medical Journal
Article 16, Volume 20.1, Issue 39, May 1988, Pages 95-98    PDF (1.37 M)
Document Type: Research article
DOI: 10.21608/avmj.1988.189321
Authors
A.Z. MAHMOUD; A. NAFADY
Abstract
The occurence and morphological appearance of ectopic pulmona ry cartilage and bone in chickens was studid. Its incidence was shown to vary in different breeds of chickens. These Cartilage and bone was observed in 3 week old chicks up to 15 weeks old. The previous theories of the ectopic pulmonary cartilage genesis were discussed. It was concluded that they do not originate from disease process, but are probably abnormal embryonic induction of mesenchymal or cartilaginous germ cells displaced from bronchi.
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