Depluming itch in native fowls in the Iran, a potential risk for commercial chickens

Rajabzadeh, Mostafa; Razavi, S. M.; Homayounimehr, A R

doi:10.1007/s11250-007-9045-x

Cited by 3 publications

(6 citation statements)

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(1 reference statement)

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“…It should be noted that the latter study sampled from farms where farmers noticed ectoparasite infestation in their farms. This may explain the high prevalence in that study (22).…”

Section: Dermanyssus Gallianementioning

confidence: 66%

“…Of 50 countries or regions in Asia as defined by the United Nations (9), studies on poultry mites were conducted in 10 countries; including Russia (10-12), China (13,14), Japan (15)(16)(17)(18)(19), Malaysia (20), Myanmar (21), Iran (22)(23)(24)(25)(26)(27)(28), India (29,30), Pakistan (31)(32)(33)(34), Vietnam (35), and Saudi Arabia (36). The poultry mite fauna comprises four orders: mesostigmata, sarcoptiformes, acariformes, and trombidiformes.…”

Section: Prevalence and Geographic Distributionmentioning

confidence: 99%

“…Likewise, our recent review indicated that the prevalence of PRM was higher in layer hens (85.2%) than in broilers (0.6%) ( 1 ). In Iran, PRM was also highly prevalent in the majority of farms ( 22 – 24 ). Of note, inspection of eight caged layer farms and four breeder flock premises yielded PRM in all of the facilities ( 22 ).…”

Section: Prevalence and Geographic Distributionmentioning

confidence: 99%

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Parasitic Mite Fauna in Asian Poultry Farming Systems

Sparagano

2020

Front. Vet. Sci.

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The ubiquitous presence of hematophagous avian mites threatens the poultry industry in Asia and worldwide, adversely affecting the quality and quantity of eggs and poultry meat produced by affected flocks. This leads to considerable economic loss and welfare-related issues. The role of these blood-feeding arthropods as disease vectors is increasingly recognized as they may carry important zoonotic and epizootic pathogens. The poultry mites, Dermanyssus gallinae (Poultry Red Mite-PRM), Ornithonysus sylviarum (Northern Fowl Mite-NFM), and Ornithonyssus bursa (Tropical Fowl Mite-TFM) are endemic species across the Asian continent. In less frequency, scaly leg mite, depluming mite, and fowl cyst mite were documented. Considering global climate change and the popularity of backyard farming, the incidence of avian mite infestation is expected to increase as Asian production expands. The TFM may start to colonize subtropical nations where the seasonal temperature is comparable to tropical regions. Pyrethroids, organophosphates, carbamates, and macrocyclic lactones are licensed acaricides for use in China, Japan, and India. In recent years, the development of acaricide resistance has compromised the efficacy of chemical control measures. Several botanical acaricides based on plant and fungal constituents are being investigated. Judicious integration of multiple approaches to manage poultry mite infestation is advised. In this article, we review the prevalence, geographical distribution, zoonotic potential, and control measures of avian mites in poultry farms in Asia.

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“…It should be noted that the latter study sampled from farms where farmers noticed ectoparasite infestation in their farms. This may explain the high prevalence in that study (22).…”

Section: Dermanyssus Gallianementioning

confidence: 66%

Section: Prevalence and Geographic Distributionmentioning

confidence: 99%

Section: Prevalence and Geographic Distributionmentioning

confidence: 99%

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Parasitic Mite Fauna in Asian Poultry Farming Systems

Sparagano

2020

Front. Vet. Sci.

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“…Knemidokoptes mutans causes similar encrustations restricted to the legs and feet in Galliformes, as do K. jamaicensis and Knemidocoptes intermedius in Passeriformes (Dabert et al 2011). Picicnemidocoptes laevis and N. gallinae are associated with feather loss on the body of Columbiformes and Galliformes, respectively (Fain and Elsen 1967;Rajabzadeh et al 2008). The distribution and nature of the lesions in RCP from this study suggests P. janssensi behaves differently than K. pilae and, in fact, produces a clinical syndrome more akin to the depluming mites N. gallinae and P. laevis.…”

Section: Discussionmentioning

confidence: 99%

KNEMIDOKOPTINID (EPIDERMOPTIDAE: KNEMIDOKOPTINAE) MITE INFESTATION IN WILD RED-CROWNED PARAKEETS (CYANORAMPHUS NOVAEZELANDIAE): CORRELATIONS BETWEEN MACROSCOPIC AND MICROSCOPIC FINDINGS

Jackson

Heath

Harvey³

et al. 2015

Journal of Wildlife Diseases

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During a study on health and disease in Red-crowned Parakeets (Cyanoramphus novaezelandiae) on Tiritiri Matangi Island and Little Barrier Island (Hauturu-o-Toi) in New Zealand between 2011 and 2013, an outbreak of feather loss prompted the collection of skin biopsies (n = 135) under anesthesia from the head of captured birds. A subset of samples (n = 7) was frozen to obtain whole specimens for identification of ectoparasites. Mites (range 1-11) were observed in 79/135 (58.5%) skin biopsies, whereas feather loss was only found in 47/142 (33.1%) birds captured during the sampling period. Compact orthokeratotic hyperkeratosis and acanthosis were found in association with mites. Procnemidocoptes janssensi (Acari: Epidermoptidae, Knemidokoptinae) was identified from whole mites obtained from skin biopsies. We describe the presence, pathology, and stages of infestation for knemidokoptinid mange in a wild parrot population in New Zealand. Given the clinical and pathologic changes observed and poor knowledge of the parasite's New Zealand host and geographic distribution, further work is recommended for this and sympatric parrots, to understand relationships between the host, parasite, environment, and expression of disease. Results from this study reinforce the value of including biopsy samples for the investigation of skin disease in wild birds, particularly to link etiologic agents with pathologic changes.

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“…Native birds are considered a national asset and a key factor in creating sustainable agriculture in developing countries (Kumaresan et al 2008;Shahbazi et al 2007). These fowls provide a critical source of meat, egg, and income for people in rural areas and are operated predominantly by small and lowincome farmers (Rajabzadeh et al 2008). The government supports the native fowl production by providing a month old native chicks to the villagers.…”

Section: Introductionmentioning

confidence: 99%

Detection of avian leukosis virus subgroups in albumen of commercial and native fowl eggs using RT-PCR in Iran

Rajabzadeh

Dadras

Mohammadi

2010

Trop Anim Health Prod

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Avian leukosis viruses (ALVs) belong to Alpharetrovirus genus of the family Retroviridae that are widespread in nature. Different subgroups of ALV commonly infect egg-laying hens. They are responsible for economic losses due to both mortality and depressed performance in chickens. To investigate the presence of these viruses in chickens in Iran, 560 egg albumens were selected from different farms of Fars province, Iran. These eggs were obtained from flocks of two research centers of native fowl production (60 eggs), a broiler grandparent farm (100 eggs), three broiler breeder farms (300 eggs), and a commercial layer flock (100 eggs). Firstly, for primary screening a degenerative primer set (PU1 and PU2) were used in reverse transcriptase-polymerase chain reaction (RT-PCR). Positive cases were detected in 47 of 300 (15.7%) samples from three broiler breeders, 40 of 100 (40%) samples from commercial layer, 53 of 60 (88.3%) samples from flocks of two research centers of native fowl production, and none from the samples of broiler grandparent. Then RT-PCR was undertaken with primers PA1 and PA2 on the positive samples. RT-PCR analysis detected ALVs in two of 47 (4.3%) samples from three broiler breeders, 13 of 40 (32.5%) samples from commercial layer, and 19 of 53 (35.8%) samples from flocks of two research centers of native fowl production. The sequencing results showed that subgroup E of ALV was the most detected virus among chicken eggs and subgroup B was more prevalent in the eggs of native fowls. This is the first report of the ALV subgroup B and E in egg albumen in Iran.

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Depluming itch in native fowls in the Iran, a potential risk for commercial chickens

Cited by 3 publications

References 1 publication

Parasitic Mite Fauna in Asian Poultry Farming Systems

Parasitic Mite Fauna in Asian Poultry Farming Systems

KNEMIDOKOPTINID (EPIDERMOPTIDAE: KNEMIDOKOPTINAE) MITE INFESTATION IN WILD RED-CROWNED PARAKEETS (CYANORAMPHUS NOVAEZELANDIAE): CORRELATIONS BETWEEN MACROSCOPIC AND MICROSCOPIC FINDINGS

Detection of avian leukosis virus subgroups in albumen of commercial and native fowl eggs using RT-PCR in Iran

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