1980
DOI: 10.2307/1589720
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Two Congenital Abnormalities in Domestic Chickens

Abstract: During routine necropsies performed in domestic chickens, two abnormalities were noticed in adult White Leghorn female birds; one was of the sternal keel (carina), and the other was of the cecum.

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Cited by 8 publications
(5 citation statements)
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“…Congenital defects are very rare in chickens because they usually result in early embryonic death (5). Although the present report and previous reports (2,6) had similar findings that included the site, Amputation of polymelia in a chicken size, and position of polymelia, this report discusses-for the first time-the surgical treatment and outcome of this congenital anomaly in a layer.…”
Section: Discussionsupporting
confidence: 82%
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“…Congenital defects are very rare in chickens because they usually result in early embryonic death (5). Although the present report and previous reports (2,6) had similar findings that included the site, Amputation of polymelia in a chicken size, and position of polymelia, this report discusses-for the first time-the surgical treatment and outcome of this congenital anomaly in a layer.…”
Section: Discussionsupporting
confidence: 82%
“…Even in breeder birds that are closely related (brother-sister pairing, parent-offspring pairing), defects in chicks are rarely reported (5,7,8,9). Concerning the causes of congenital anomalies in chicken, polydactyly mutation linked with the chromosome 2p region in Beijing fatty chicken was recorded (9).…”
mentioning
confidence: 99%
“…), and in younger birds, including a 20‐week White Leghorn pullet (Grewal et al . ) and in a 7‐week‐old broiler (Mishra & Panda ), but no indications of animal performance were reported in these cases. Mishra and Panda () noted that the paired caeca of their broiler shared an extensive inter‐caecal mesenteric fold and capillary bed; however, this was not observed in our case study.…”
Section: Discussionmentioning
confidence: 96%
“…Further, Grewal et al . () noted complete aplasia of the left caecum, and on the right caecum a groove of the free surface dividing the caecum into two separate structures terminating at the apex with two blind‐ended structures. In our case study, there was a distinct singular proximal duct (tube), which possessed a short groove proximally on the free surface, but which did not extend distally (Fig.…”
Section: Discussionmentioning
confidence: 99%
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