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Assessment of the microbiological status of two Hungarian ostrich farms

Brassó, Dóra Lili and Knop, Renáta and Rózsáné Várszegi, Zsófia and Bársony, Péter and Komlósi, István and Bacsadi, Árpád and Tóthné Bistyák, Andrea Tünde (2023) Assessment of the microbiological status of two Hungarian ostrich farms. ACTA VETERINARIA HUNGARICA, 71 (1). pp. 3-11. ISSN 0236-6290

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Abstract

The aim of this study was to estimate the occurrence of bacterial infection and contamination in two ostrich-producing farms. Compared to other poultry species, the hatchability of ostrich eggs is especially low. In a quest to identify factors that may affect hatchability, we collected faecal samples from adult birds, as well as eggs with dead-in-shell embryos, dead chicks and swab samples from the surface of the eggs and from the environment. The samples were screened for the presence of bacteria by routine bacteriological culture methods. The most prevalent bacteria, detected in the samples, were Escherichia coli, Bacillus spp. and coliform bacteria, whereas Pseudomonas spp. were less frequently found. The intensity and species compositon of the bacterial contamination was comparable in the two farms. Our results revealed that the bacteria, present in the environment, may likely be transmitted to the surface of the eggs. If they are able to penetrate the shell then the embryos and chicks become infected easily. These findings draw the attention to the special importance of enforcing efficient decontamination and disinfection measures to keep the environment and egg surface free from germs. Besides the appropriate egg treatment procedure, the incubation and hatching technology should also be kept under control.

Item Type: Article
Additional Information: Funding Agency and Grant Number: European Union; European Social Fund; Wild and Poultry Diseases, Veterinary Diagnostic Directorate of the National Food Chain Safety Office in Debrecen; [EFOP-3.6.1-16-2016-00022]; [EFOP-3.6.3-VEKOP-16-2017-00008] Funding text: The publication is supported by the EFOP-3.6.1-16-2016-00022 and the EFOP-3.6.3-VEKOP-16-2017-00008 projects. The project is co-financed by the European Union and the European Social Fund. The Authors express their special thanks to the staff of the Laboratory of the Mammalian, Wild and Poultry Diseases, Veterinary Diagnostic Directorate of the National Food Chain Safety Office in Debrecen and also to Dr Gabor Kardos for the help. Thanks are due to George Wanjala for the grammar checking of the manuscript.
Subjects: S Agriculture / mezőgazdaság > SV Veterinary science / állatorvostudomány
SWORD Depositor: MTMT SWORD
Depositing User: MTMT SWORD
Date Deposited: 15 Feb 2024 07:01
Last Modified: 15 Feb 2024 07:01
URI: https://real.mtak.hu/id/eprint/188357

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