Publikationsdatenbank

Comparative histological studies on the aorta of a highly selected meat-type and wild-type turkey line (2019)

Art

Poster

Autoren

Al Masri, Salah (WE 1)

Kattanek, Maria (WE 1)

Hünigen, Hana (WE 1)

Hafez, M. Hafez (WE 15)

Plendl, Johanna (WE 1)

Kongress

The 10th meeting of Young Generation of Veterinary Anatomists

Bukarest, 24. – 26.07.2019

Quelle

Proceedings : the 10th Meeting of the Young Generation of Veterinary Anatomists – YGVA 2019 : July 24 – 26, 2019 București, România — Meeting of the Young Generation of Veterinary Anatomists ; Florin Stǎnicǎ (Hrsg.)

Bucureşti: Ex Terra Aurum, 2019 — S. 64–65

ISBN: 978-606-8974-15-6

Sprache

Englisch

Verweise

URL (Volltext): https://ygva2019.usamv.ro/ygva-files/YGVA%202019%20Proceedings.pdf

Kontakt

Institut für Veterinär-Anatomie

Koserstr. 20
14195 Berlin
+49 30 838 75784
anatomie@vetmed.fu-berlin.de

Abstract / Zusammenfassung

Introduction:
Spontaneous aortic aneurysm and rupture particularly in the abdominal aorta, is common in fast growing male turkeys. However, age and gender related data on the structure of the aortic wall of turkeys are rare. We aimed to compare morphological features of the aorta of Wild Canadian Turkeys (WCT) and a meat-type turkeys (BUT Big 6).

Materials and Methods:
Ten males and 10 females of booth turkey lines were sampled and weighted at 8 and at 16 weeks of age. Cross-sectioned samples at the aortic arch and at 0.5 cm proximally to the celiac and sciatic arteries junction were collected. The specimens were stained with H&E and Weigert’s Resorcin Fuchsin. Aortic diameter, aortic wall thickness and the percentage of elastic fibers in the aortic middle tunic was measured in each location, furthermore the number of elastic lamellae of the tunica media of the aortic arch were counted.

Results and Discussions:
Aortic wall thickness decreased along the course of the aorta from 700 µm (WCT) and 1100 µm (meat-type turkeys) at the aortic arch to 370 µm (WCT)
and 570 µm (meat-type turkeys) at the celiac artery and to 270 µm (WCT) and 380 µm (meat-type turkeys) at the sciatic artery. The relative thickness of the aortic wall decreased also significantly with age which was more distinct in meat-type turkeys [WCT from 600 µm per kg body mass (BW) to 200 µm per kg BW, meat-type turkeys from 300 µm per kg BW to 100 µm per kg BW]. In both turkey lines, the percentage of elastic fibers decreased from proximal to distal [75 % at the aortic arch, 60 % at the celiac artery and 30 % at the sciatic artery]. The number of elastic lamellae was lower in WCT, which is in line to the overall lesser wall thickness compared to the meat-type turkeys.

Conclusion:
The great reduction of the elastic fibers proportion in the distal abdominal aorta and the lower relative aortic wall thickness of BUT Big 6 turkeys compared to WCT seem to be a reason for the development of aortic disorders in the meat-type turkeys.