Flock-Level Seroprevalence Against Ornithobacterium rhinotracheale among Broilers in Uruguay

Suzuki, Kuniaki; Petruccelli, Miguel Ángel; Trenchi, G.; Giossa, G.; Rodríguez, Gabriel; Trenchi, H.

doi:10.3923/ijps.2010.167.170

Cited by 5 publications

(3 citation statements)

References 9 publications

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“…Similar findings were also observed in some other studies of different parts of the world [34][35][36]. In addition, ILT was recorded only in sonali chicken at 21-40 weeks of age, which was lower than several previous findings [27,37,38]. On the contrary, IBV was found in both broiler and sonali chickens but higher at later ages.…”

Section: Discussionsupporting

confidence: 90%

“…In this study, the seropositive percentage of ORT was higher in both broiler and sonali birds (43.3% and 55%), which is in agreement with the results of Mehrabanpour et al [13] who has reported 42.5% seropositivity of ORT in broiler chickens in Fars province, Iran and also in agreement with the findings of Ghanbarpour and Salehi [26] for large broiler flock who reported 42.9% seropositivity of ORT in Kermanshah province, west Iran. In addition, comparatively higher or lower seropositivity of ORT in broiler was reported in different parts of the world [12,27]. The difference among different studies might be due to variation in geo-climatic condition, age and exposure of weather which might contribute to variable prevalence of respiratory diseases [13].…”

Section: Discussionmentioning

confidence: 99%

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Seroprevalence of major avian respiratory diseases in broiler and sonali chicken in selected areas of Bangladesh

Ali

Mm³

et al. 2019

J Adv Vet Anim Res

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How to cite: Bhuiyan ZA, Ali MZ, Moula MM, Bary MA, Arefin N, Giasuddin M, et al. Seroprevalence of major avian respiratory diseases in broiler and sonali chicken in selected areas of Bangladesh. J Adv Vet Anim Res 2019; 6(4): ABSTRACTObjective: This study was conducted to investigate different respiratory diseases in broiler and sonali birds in some selected districts of Bangladesh. Materials and Methods:We were collected a total of 460 blood samples from 46 farms with 36 broiler farms and 10 sonali farms (cross-breed) from 2015 to 2017. All the collected serum samples were tested for determining specific antibodies of avian rhinotracheitis (ART) virus, infectious laryngotracheitis (ILT) virus, infectious bronchitis (IBV) virus, and Ornithobacterium rhinotracheale (ORT) infection using commercially available enzyme-linked immunosorbent assay kits. Results: The overall seropositivity was highest in ORT (45.9%), followed by IBV (37.6%), ART (2.6%), and ILT (0.4%). Out of 360 broiler samples, highest seropositivity was recorded in ORT (43.3%) and lowest in IBV (31.4%). Surprisingly, no broiler samples were found positive for ART and ILT. In case of sonali, the seropositivity was highest in IBV (60%) and lowest in ILT (2%). With respect to types of birds and age groups, the seropositive percentage of all four pathogens was found higher in sonali than broiler. Between two age groups of sonali, the seropositive percentage of ART (12%), ORT (55%), ILT (2%), and IBV (60%) was highest at 21-60 weeks of age compared to 5-20 weeks of age. However, based on location, the seropositive of ORT and IBV was highest in Jamalpur (63.3%) and Fulbariya and Trishal (50%) and lowest in Sreepur (16.7%) and Jamalpur (3.3%). Conclusion:The four pathogens are ubiquitous in nature for the sonali chickens, and the prevalence of ORT and IBV was the most prevalent viruses in the study areas. This study indicates a need for improved surveillance and characterization of ORT and ART circulating in all types of poultry in Bangladesh. ARTICLE HISTORY

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Section: Discussionsupporting

confidence: 90%

Section: Discussionmentioning

confidence: 99%

Seroprevalence of major avian respiratory diseases in broiler and sonali chicken in selected areas of Bangladesh

Ali

Mm³

et al. 2019

J Adv Vet Anim Res

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“…The seroprevalence of ORT is high and variable in turkey farms of many countries where the breeding of this bird is highly prevalent. For instance, 6.5% [8] of turkey farms in Belgium, 11.3% [9] in Turkey, 55% [4] in Germany, 83% [10] in Austria, 72.6% [11] in Poland, and 91% [21] in Slovenia have been reported to be infected by ORT. In terms of turkeys infection with this bacterium in Iran, Doosti et al (2011) [12] studied the prevalence of ORT in turkey flocks in Isfahan province using the PCR method.…”

Section: Introductionmentioning

confidence: 99%

The Frequency and Tissue Distribution of Ornithobac-terium rhinotracheale in different Organs of Turkeys

Karimi-Dehkordi¹,

Hashemi²,

Salehi³

et al. 2021

IEM

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Background: This study was designed to investigate the frequency and tissue distribution of Ornithobacterium rhinotracheale (ORT) in turkeys with respiratory syndrome in Isfahan province.Materials & Methods: Totally, samples were taken from the trachea, lung, air sac, infraorbital sinus, hock joint, blood of heart, brain, liver, spleen, intestine, and kidney of 30 turkey flocks. After DNA extraction, a 787 bp fragment of 16S rRNA gene of ORT was amplified. Findings: The PCR results revealed that 53% of turkeys were infected by ORT. The results showed that although ORT was mainly found in the respiratory tract, it could be systemic and infect some other organs, including the joints, brain, liver, spleen, and blood of heart, but could not infect the intestines and kidneys. Conclusion:Due to the lack of a clear pattern in tissue distribution of ORT among clinical samples, it seems that other factors play a role in ORT tissue distribution, such as dose, route, type of infection, and probably prevalent serotype.

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Differences of Seropositivity against Selected Infectious Agents in Relation to Farm Management Characteristics to Broiler Production in Uruguay

Rodríguez¹,

Suzuki²,

Petruccelli³

et al. 2010

International J. of Poultry Science

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Flock-Level Seroprevalence Against Ornithobacterium rhinotracheale among Broilers in Uruguay

Cited by 5 publications

References 9 publications

Seroprevalence of major avian respiratory diseases in broiler and sonali chicken in selected areas of Bangladesh

Seroprevalence of major avian respiratory diseases in broiler and sonali chicken in selected areas of Bangladesh

The Frequency and Tissue Distribution of Ornithobac-terium rhinotracheale in different Organs of Turkeys

Differences of Seropositivity against Selected Infectious Agents in Relation to Farm Management Characteristics to Broiler Production in Uruguay

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