Eggshell Apex Abnormalities Associated with Mycoplasma Synoviae Infection in Layers

Overview

Journal J Vet Sci

Specialty Veterinary Medicine

Date 2014 Jun 26

PMID 24962418

Citations 5

Authors

Eun-Ok Jeon

Jong-Nyeo Kim

Hae-Rim Lee

Bon-Sang Koo

Kyeong-Cheol Min

Moo-Sung Han

Seung-Baek Lee

Yeon-Ji Bae

Jong-Suk Mo

Sun-Hyung Cho

Chang-Hee Lee

In-Pil Mo

Affiliations

Soon will be listed here.

Abstract

Eggs exhibiting eggshell apex abnormalities (EAA) were evaluated for changes in shell characteristics such as strength, thickness, and ultrastructure. Mycoplasma synoviae (MS) infection was confirmed by serological assay along with isolation of MS from the trachea and oviduct. Changes in eggshell quality were shown to be statistically significant (p < 0.01). We also identified ultrastructural changes in the mammillary knob layer by Scanning Electron Microscopy. While eggs may seem to be structurally sound, ultrastructural evaluation showed that affected eggs do not regain their former quality. In our knowledge, this is the first report describing the occurrence of EAA in Korea.

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