Mites affecting hen egg production: some considerations for Brazilian farms

Rezende, Leandro do Carmo; Cunha, Lucas Maciel; Teixeira, Cristina Mara; Oliveira, Paulo de; Martins, Nélson Rodrigo da Silva

doi:10.1590/s0103-84782013005000088

Cited by 25 publications

(22 citation statements)

References 27 publications

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“…as a parasite of little importance for the poultry industry due to low frequency of occurrence (REZENDE et al, 2013). However, the occurrence of such genus of mites, mainly M. ginglymura, was observed in 18.09% of commercial flocks studied, indicating relevant frequency.…”

Section: Discussionmentioning

confidence: 90%

“…Most reports of M. ginglymura in Brazil have described its occurrence in subsistence poultry, and little or no attention has been dedicated to commercial poultry flocks (TUCCI et al, 2005;REZENDE et al, 2013). Therefore, this study aimed at investigating the occurrence and main epidemiological aspects of infestations in chickens of commercial layer flocks in the State of Minas Gerais, Brazil.…”

Section: Introductionmentioning

confidence: 98%

See 1 more Smart Citation

Epidemiology of Megninia spp. in laying flocks from the State of Minas Gerais, Brazil

Rezende

Cunha

Martins

et al. 2015

Rev. Bras. Parasitol. Vet.

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Aspects related to the epidemiology of Megninia ginglymura were studied, in order to determine predisposing factors for the ocurrence in layer chicken houses of commercial farms in the State of Minas Gerais, Brazil. An observational, cross-sectional, analytical survey was conducted for identifying major risks or protection factors for infestations. Four hundred thirty-one houses located in forty-three farms were visited in 2012. Regarding the farms, 17 (39.53%) had chickens infested by M. ginglymura and 1 (2.32%) presented Megninia cubitalis. The epidemiological aspects of the occurrence of M. ginglymura were investigated using multiple logistic regression models. The chicken house organization was an important protection factor involved in the occurrence of M. ginglymura (odds ratio [OR] = 0.85). The presence of subsistence breedings of poultry within the premises or at the proximity of a farm was characterized as a risk factor for the occurrence of infestations (OR = 3.92). The use of mineral oil (OR = 0.16) was considered protective against new infestations. Some regions of the state were characterized by a higher risk for mite infestation than others.

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Section: Discussionmentioning

confidence: 90%

Section: Introductionmentioning

confidence: 98%

Epidemiology of Megninia spp. in laying flocks from the State of Minas Gerais, Brazil

Rezende

Cunha

Martins

et al. 2015

Rev. Bras. Parasitol. Vet.

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“…The species O. sylviarum and Derma. gallinae are the most frequently found (Faccini, 1987;Tucci et al, 1998;Rezende et al, 2013). However, there are no reports of hematophagous mites in broiler houses in Brazil.…”

Section: Characterization and Damages Caused By House Flies Lesser Mmentioning

confidence: 99%

“…In addition, the infestation may reduce egg production and livability, and cause high mortality in young birds (Rezende et al, 2013). Derma.…”

Section: Characterization and Damages Caused By House Flies Lesser Mmentioning

confidence: 99%

Advances and Perspectives of the use of the entomopathogenic fungi beauveria bassiana and metarhizium anisopliae for the control of arthropod pests in poultry production

Oliveira

Alves

Sosa-Gòmez

2014

Rev. Bras. Cienc. Avic.

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Global poultry production is plagued by a wide variety of arthropods. The problems associated with their chemical control have led to an increasing search for control alternatives, and entomopathogenic fungi seem to be a promising strategy. Despite the large number of insects and mites considered as important pests in animal production, studies on the use of entomopathogenic fungi for their control are still scarce compared with agricultural pests, particularly in Brazil. This article reviews some damages and control aspects of the main arthropod pests that affect Brazilian poultry production, including house flies, lesser mealworms, and feather mites, by the use of the entomopathogenic fungi Beauveria bassiana and Metarhizium anisopliae. Studies published in the last 20 years were reviewed, and the main problems and limitations of that pest-control strategy are discussed.

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“…In the industrial layer hens, the species of the genus Megninia are important and responsible ectoparasites for damages in the eggs' production, being also told in other hosts, as parakeets, turkeys and pigeons (GUIMARÃES et al, 2001;TUCCI et al, 2005;REZENDE et al, 2013). These mites can bring consequences as appearance of lesions caused by the saliva, which result in pruritus and may trigger secondary lesions such as pyodermatitis (TUCCI et al, 2005).…”

Section: Introductionmentioning

confidence: 99%

Epidemiological characterization and risk evaluation associated with the presence of Megninia spp. in posture farms

et al. 2017

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This study was accomplished with the aim to evaluate and to characterize the risks for the presence of Megninia spp. in poultry farms from Minas Gerais, using for that Correspondence Analysis (CA). A secondary database was used and adapted for this study, with information from 402 chicken houses of 42 laying hens commercial properties. Variables used to compose the correspondence model were selected through tests of Qui-square being considered the significant result of P≤0,05. A risk index was built to the presence of Megninia spp. starting from variables considered as risk factors for the presence of those ectoparasites. The CA graph produced for the epidemiological characterization of the presence of Megninia spp. presented an accumulated qui-square value of 58,55%. There was an association of the risk index with the age ranges of the poultry, among the presence Megninia spp. and the use of mineral oil and acaricide in the ration and; finally, an association between the ruddy ground-dove (Columbina talpacoti) presence and the absence of mites of the Megninia genus. The results supply knowledge on the epidemiology of Megninia spp. In addition, these information can contribute in the decision, reducing the risks of possible infestations in poultry farms and the negative effects of that parasitism.

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Mites affecting hen egg production: some considerations for Brazilian farms

Abstract: The poultry industry is characterized for its constant search for productivity and profi tability, which are based on fl ock health status. Brazilian Commercial laying hens (Gallus gallusdomesticus

Cited by 25 publications

References 27 publications

Epidemiology of Megninia spp. in laying flocks from the State of Minas Gerais, Brazil

Epidemiology of Megninia spp. in laying flocks from the State of Minas Gerais, Brazil

Advances and Perspectives of the use of the entomopathogenic fungi beauveria bassiana and metarhizium anisopliae for the control of arthropod pests in poultry production

Epidemiological characterization and risk evaluation associated with the presence of Megninia spp. in posture farms

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