Comparative pathomorphological study of rickets types in broiler chickens

The purpose of this study was to determine the incidence of rickets types in broiler chickens on the basis of gross and microscopic lesions in field clinical cases with regard to differential pathomorphological diagnosis.Clinical, serological, gross anatomy and histological investigations were carri...

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Main Author: Ivan Dinev
Format: Article
Language:English
Published: Ferdowsi University of Mashhad 2011-08-01
Series:The Iranian Journal of Veterinary Science and Technology
Subjects:
Online Access:https://ijvst.um.ac.ir/article_25657_4a0cb60f4869900376ce67b0e111d9c5.pdf
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author Ivan Dinev
author_facet Ivan Dinev
author_sort Ivan Dinev
collection DOAJ
description The purpose of this study was to determine the incidence of rickets types in broiler chickens on the basis of gross and microscopic lesions in field clinical cases with regard to differential pathomorphological diagnosis.Clinical, serological, gross anatomy and histological investigations were carried out in broiler chickens with signs of rickets. The survey included 12 finisher broiler flocks (ten Ross 308 and two Cobb 500 flocks) from 4 different farms.Gross lesions in chickens from two of farms were indicative of hypophosphataemic rickets and the other two- of hypocalcaemic rickets types. Microscopic lesions correlated to macroscopic ones. The results of investigations showed that lesions resulting from calcium deficiency were very different from those occurring after phosphorus deficiency or calcium excess. It was suggested that macroscopic lesions in the proximal tibiotarsus could be used to distinguish field cases of Ca-deficiency and P-deficiency rickets in broiler chickens. The lesions in other leg parts (femur and tarsometatarsus) were not consistent with regard to differential diagnosis of rickets types due to the insufficient lesions in these bones.
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spelling doaj.art-b1e06a50b7794e81bf75b85caf815e0a2022-12-22T01:54:36ZengFerdowsi University of MashhadThe Iranian Journal of Veterinary Science and Technology2008-465X2423-63062011-08-013111010.22067/veterinary.v3i1.1187525657Comparative pathomorphological study of rickets types in broiler chickensIvan Dinev0Trakia UniversityThe purpose of this study was to determine the incidence of rickets types in broiler chickens on the basis of gross and microscopic lesions in field clinical cases with regard to differential pathomorphological diagnosis.Clinical, serological, gross anatomy and histological investigations were carried out in broiler chickens with signs of rickets. The survey included 12 finisher broiler flocks (ten Ross 308 and two Cobb 500 flocks) from 4 different farms.Gross lesions in chickens from two of farms were indicative of hypophosphataemic rickets and the other two- of hypocalcaemic rickets types. Microscopic lesions correlated to macroscopic ones. The results of investigations showed that lesions resulting from calcium deficiency were very different from those occurring after phosphorus deficiency or calcium excess. It was suggested that macroscopic lesions in the proximal tibiotarsus could be used to distinguish field cases of Ca-deficiency and P-deficiency rickets in broiler chickens. The lesions in other leg parts (femur and tarsometatarsus) were not consistent with regard to differential diagnosis of rickets types due to the insufficient lesions in these bones.https://ijvst.um.ac.ir/article_25657_4a0cb60f4869900376ce67b0e111d9c5.pdfbroiler chickensrickets typesgrossand microscopic lesionsdifferential pathomorphological diagnosis
spellingShingle Ivan Dinev
Comparative pathomorphological study of rickets types in broiler chickens
The Iranian Journal of Veterinary Science and Technology
broiler chickens
rickets types
grossand microscopic lesions
differential pathomorphological diagnosis
title Comparative pathomorphological study of rickets types in broiler chickens
title_full Comparative pathomorphological study of rickets types in broiler chickens
title_fullStr Comparative pathomorphological study of rickets types in broiler chickens
title_full_unstemmed Comparative pathomorphological study of rickets types in broiler chickens
title_short Comparative pathomorphological study of rickets types in broiler chickens
title_sort comparative pathomorphological study of rickets types in broiler chickens
topic broiler chickens
rickets types
grossand microscopic lesions
differential pathomorphological diagnosis
url https://ijvst.um.ac.ir/article_25657_4a0cb60f4869900376ce67b0e111d9c5.pdf
work_keys_str_mv AT ivandinev comparativepathomorphologicalstudyofricketstypesinbroilerchickens