نوع مقاله : مقاله پژوهشی
نویسندگان
1 دستیار تخصصی، گروه بیماری های طیور، دانشکده دامپزشکی، دانشگاه تهران، ایران
2 استادیار، بخش قارچ شناسی، دانشکده دامپزشکی، دانشگاه تهران، ایران
3 استادیار، گروه مامایی و بیماری های تولید مثل، واحد علوم و تحقیقات، دانشگاه آزاد اسلامی، تهران، ایران
4 مرکز بیماری های طیور، بخش دوک اداره کل دامپزشکی استان مازندران، مازندران، ایران
چکیده
کلیدواژه‌ها
عنوان مقاله [English]
نویسندگان [English]
Today, modern hatchery plays an important role in the development of the poultry industry.
However, the arrival of large numbers of eggs to hatchery increase the likelihood of infection
with various microorganisms, especially fungal and bacterial contamination. Characterization of
microbial contamination and the prevention of this type pollutions can lead to decreasing the
incidence of disease in day-old chicks and prevent economic losses. The aim of the current
study was to determine fungal contamination in different parts of Mazandaran province
hatcheries. The samples were taken from different parts of hatcheries through a passive
sedimentation method onto Sabouraud dextrose agar containing chloramphenicol and incubated
at 30˚C for 7–10 days. Furthermore, the type and number of fungal colonies were recorded.
Fungal isolates belonged to seven genera: Aspergillus (87.8%), Mucor (4.3%), Penicillium
(3.5%), Rhizopus (1.6%), Fusarium (1.4%), Alternaria (0.7%) and Cladosporium (0.7%).
Aspergillus was the most common genera of isolated fungi and Aspergillus flavus with the
15361 (71.4%) number of colonies was the most common fungal species isolated from the
incubation systems. In general, Setter and Hatcher rooms were the most polluted parts of the
incubators. According to high pollution of hatchery centers with various fungi, especially
Aspergillus species Trying to diagnose, Prevent and eliminate of these contaminations seem
necessary.
کلیدواژه‌ها [English]
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