A Rare Case Report of duplicate Vents in a Broiler Breeder Hen (Case Report)

Malformations which occur during the development of the avian body organs can lead to structural and functional abnormalities. Most defects are recognized at hatching, but some go undetected until somewhat later. The cause of the majority of animal congenital malformations is unknown. A significant...

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Main Authors: Madadi MS, Karimi H, Azari M
Format: Article
Language:English
Published: Gorgan University of Agricultural Sciences and Natural Resources 2014-12-01
Series:Poultry Science Journal
Subjects:
Online Access:http://psj.gau.ac.ir/pdf_1966_fc4b57bf47536566a8f046f332b7c935.html
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author Madadi MS
Karimi H
Azari M
author_facet Madadi MS
Karimi H
Azari M
author_sort Madadi MS
collection DOAJ
description Malformations which occur during the development of the avian body organs can lead to structural and functional abnormalities. Most defects are recognized at hatching, but some go undetected until somewhat later. The cause of the majority of animal congenital malformations is unknown. A significant proportion of congenital malformations of unknown cause are likely to have an important genetic component. Malformations of the gastrointestinal and urogenital systems have been observed. This report describes a rare case of duplicate vents in a broiler breeder 33 week-old hen. A normal calcified egg was present in the left oviduct and right oviduct was atrophied. Both cloaca were anatomically normal, and each of them had a complete structure of coprodeum, urodeum and proctodeum. Double vents’ anomalies in breeder hens were only reported by Crew and Roberts in 1928 - 1929 and have not been reported after this time yet.
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spelling doaj.art-764e08717f9c4b838487f3b1316a17092022-12-22T03:31:35ZengGorgan University of Agricultural Sciences and Natural ResourcesPoultry Science Journal2345-66042345-65662014-12-01221951991966A Rare Case Report of duplicate Vents in a Broiler Breeder Hen (Case Report)Madadi MS0Karimi H1Azari M2Department of Clinical Sciences, Faculty of Veterinary Medicine, University of Tabriz, Tabriz, Iran.Department of Basic Sciences, Faculty of Veterinary Medicine, University of Tabriz, Tabriz, Iran.Department of Clinical Sciences, Faculty of Veterinary Medicine, University of Shiraz, Shiraz, Iran.Malformations which occur during the development of the avian body organs can lead to structural and functional abnormalities. Most defects are recognized at hatching, but some go undetected until somewhat later. The cause of the majority of animal congenital malformations is unknown. A significant proportion of congenital malformations of unknown cause are likely to have an important genetic component. Malformations of the gastrointestinal and urogenital systems have been observed. This report describes a rare case of duplicate vents in a broiler breeder 33 week-old hen. A normal calcified egg was present in the left oviduct and right oviduct was atrophied. Both cloaca were anatomically normal, and each of them had a complete structure of coprodeum, urodeum and proctodeum. Double vents’ anomalies in breeder hens were only reported by Crew and Roberts in 1928 - 1929 and have not been reported after this time yet.http://psj.gau.ac.ir/pdf_1966_fc4b57bf47536566a8f046f332b7c935.htmlCase reportVent duplicateBroiler breederCongenital malformation
spellingShingle Madadi MS
Karimi H
Azari M
A Rare Case Report of duplicate Vents in a Broiler Breeder Hen (Case Report)
Poultry Science Journal
Case report
Vent duplicate
Broiler breeder
Congenital malformation
title A Rare Case Report of duplicate Vents in a Broiler Breeder Hen (Case Report)
title_full A Rare Case Report of duplicate Vents in a Broiler Breeder Hen (Case Report)
title_fullStr A Rare Case Report of duplicate Vents in a Broiler Breeder Hen (Case Report)
title_full_unstemmed A Rare Case Report of duplicate Vents in a Broiler Breeder Hen (Case Report)
title_short A Rare Case Report of duplicate Vents in a Broiler Breeder Hen (Case Report)
title_sort rare case report of duplicate vents in a broiler breeder hen case report
topic Case report
Vent duplicate
Broiler breeder
Congenital malformation
url http://psj.gau.ac.ir/pdf_1966_fc4b57bf47536566a8f046f332b7c935.html
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