NDLI: Prevalence and risk factors for subclinical coccidiosis in broiler chicken farms in Mazandaran province, Iran

Content Provider	Springer Nature Link
Author	Shirzad, Mohammad Reza Seifi, Saeed Gheisari, Hamid Reza Hachesoo, Bahman Abdi Habibi, Hasan Bujmehrani, Hossein
Copyright Year	2011
Abstract	Coccidiosis is a disease of almost universal importance in Poultry production. The subclinical form of coccidiosis has most significant economic impact due to impaired growth rate and feed conversion. Some factors such as: age, size of flock, season, etc., may effect on severity of this disease. In this study, the relationships between some major risk factors and prevalence of subclinical coccidiosis were investigated. This study was done in 120 broiler farms in five different cities of Mazandaran province, north of Iran. Five chicks (3–8 weeks of ages) were taken randomly from every 120 farms and post-mortem and parasitological examinations were performed. Five Eimeria spp. were recognized: Eimeria tenella, Eimeria maxima, Eimeria acervulina, Eimeria brunetti, and Eimeria necatrix. The prevalence rate of subclinical coccidiosis among them is 75% (90 farms out of 120). E. acervulina was the most prevalent species (65.5%) followed by E. maxima (17.7%), E. tenella (15.5%), E. brunetti (10%), and E. necatrix (5.5%). According to what the results approve, the occurrence of subclinical coccidiosis is significantly related to the age and size of flock, whereas the other factors such as the season of year, industrial strains, chicken’s keeping system, and anticoccidial drugs do not affect this phenomenon remarkably.
Starting Page	1601
Ending Page	1604
Page Count	4
File Format	PDF
ISSN	00494747
Journal	Tropical Animal Health and Production
Volume Number	43
Issue Number	8
e-ISSN	15737438
Language	English
Publisher	Springer Netherlands
Publisher Date	2011-05-28
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Coccidiosis Prevalence Eimeria spp. Broiler chicken Zoology Veterinary Medicine
Content Type	Text
Resource Type	Article
Subject	Animal Science and Zoology Food Animals

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