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Zarabi, Mina, Jamshidi, Abdollah, Khanzadi, ُSaeid, Razmyar, Jamshid. (1393). Intestinal colonization of different Brachyspira spp. in laying hens. , 8(3), 213-218. doi: 10.22059/ijvm.2014.51894
Mina Zarabi; Abdollah Jamshidi; ُSaeid Khanzadi; Jamshid Razmyar. "Intestinal colonization of different Brachyspira spp. in laying hens". , 8, 3, 1393, 213-218. doi: 10.22059/ijvm.2014.51894
Zarabi, Mina, Jamshidi, Abdollah, Khanzadi, ُSaeid, Razmyar, Jamshid. (1393). 'Intestinal colonization of different Brachyspira spp. in laying hens', , 8(3), pp. 213-218. doi: 10.22059/ijvm.2014.51894
Zarabi, Mina, Jamshidi, Abdollah, Khanzadi, ُSaeid, Razmyar, Jamshid. Intestinal colonization of different Brachyspira spp. in laying hens. , 1393; 8(3): 213-218. doi: 10.22059/ijvm.2014.51894

Intestinal colonization of different Brachyspira spp. in laying hens

Iranian Journal of Veterinary Medicine
مقاله 9، دوره 8، شماره 3، دی 2014، صفحه 213-218    اصل مقاله (118.29 K)
شناسه دیجیتال (DOI): 10.22059/ijvm.2014.51894
نویسندگان
Mina Zarabi1؛ Abdollah Jamshidi* 2؛ ُSaeid Khanzadi2؛ Jamshid Razmyar3
1Graduated from the Faculty of Veterinary Medicine, Ferdowsi University of Mashhad, Mashhad, Iran
2Department of Food Hygiene and Aquaculture, Faculty of Veterinary Medicine, Ferdowsi University of Mashhad, Mashhad, Iran
3Department of Clinical Sciences, Faculty of Veterinary Medicine, Ferdowsi University of Mashhad, Mashhad, Iran
چکیده
BACKGROUND:Avian intestinal spirochetosis (AIS) is caused
by spiral-shaped Gram-negative Brachyspira spp. in poultry. It is
known as a cause of diarrhea, low egg production, and increased
occurrence of dirty eggs in layer hens. OBJECTIVES: In this study,
the presence of some Brachyspira spp. was investigated in laying
hens. METHODS: A total of 100 cloacal swab samples were
individually collected from 20 laying hen flocks showing fecal egg
staining in northeast of Iran. RESULTS: Using culture and
morphologic examination, 41 samples (41%) from 20 flocks were
positive; however, by using genus-specific PCR, only 37 (37%)
samples were confirmed as Brachyspira spp. Using speciesspecific
primers, single colonization was identified in 18 samples
associated with B. pilosicoli (48.6%), while single colonization
with B. intermedia was found in only two samples (5.4%).
Simultaneous colonization by B. intermedia and B. murdochii was
detected in 3 samples (8.1%). B. pilosicoli was the most prevalent
species in concurrent colonization in 11 cases (29.7%). Finally, cocolonization
by B. intermedia and B. innocens was identified in 3
samples (8.1%). CONCLUSIONS: The results of this study showed
the colonization of different species of Brachyspira with
dominance of B. pilosicoli in layer hens.
کلیدواژه‌ها
Brachyspira؛ intestinal spirochetosis؛ Laying Hen؛ PCR
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