Data on survival and molting incidence of Triatoma infestans (Klug) and Panstrongylus megistus (Burmeister) (Hemiptera, Reduviidae) after blood intake from anaesthetized chickens

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Mello, Maria Luiza Silveira; Rodrigues, Vera Lúcia Correa Cortiço, 2021, "Data on survival and molting incidence of Triatoma infestans (Klug) and Panstrongylus megistus (Burmeister) (Hemiptera, Reduviidae) after blood intake from anaesthetized chickens", https://doi.org/10.25824/redu/D1ELSB, Repositório de Dados de Pesquisa da Unicamp, V1, UNF:6:pST/4OlnMvLgmfE8hJgS5w== [fileUNF]
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Description
Much of the knowledge on cell biology, survival and molting rates in the insect vectors of Chagas disease, Triatoma infestans (Klug) and Panstrongylus megistus (Burmeister), raised in the late 20th century has been obtained from specimens fed blood intake from non-anaesthetized chickens. Avian blood intake for these insects in research facilities has been a recommendation to avoid Trypanosoma cruzi infection. Currently, the protocols for these insects’ rearing in research facilities demand that the chicken – source of blood intake – be anaesthetized by an accredited veterinary and that the welfare of the birds be monitored before, during and after the blood intake the insects receive. These protocols are conducted to ensure that the birds do not suffer from unwarranted pain or distress. Data on survival and molting incidence are presented for specimens of T. infestans and P. megistus fed on blood from chickens anaesthetized with ketamine/xylazine consistent with the recommendation by ethical committees on animal experimentation. These data constitute an important basis for comparisons with data provided by insects that ingested blood from non-anaesthetized sources or from animals anaesthetized with drugs other than ketamine/xylazine, preceding various experimental conditions. The specimens used originated from populations of insects collected since 1980, in the north of the state of Minas Gerais (Brazil) (Vale do Jequitinhonha) (between latitudes16 °S and 18 °S and longitudes 41 °W and 43 °W (T. infestans) and in the east region of the state of São Paulo (Brazil) (between latitudes 21 °31’S and 21 °58’S and close to the longitude 46 °40’W (P. megistus). Inbreeding has been avoided by periodically collecting and introducing new specimens to the previously established colonies. The animal care and ethical procedures to rear these insects are registered at the National Council of Animal Experimentation Control (COBEA) from the Brazilian Ministry of Science, Technology and innovation under accreditation protocol no. 01200.003280/2014-28. The SUCEN Scientific and Ethics Committee approved this study (Protocol no. 64,405/2015). (2021-09-18)
Subject Medicine, Health and Life Sciences
Keyword Vector insects, Blood meal, Chickens, Survival, Molting, Heat shock, Cold shock
Related Publication Rodrigues VLCC, Mello MLS, Ferraz Filho AN, Dantas MM. Survival and molting incidence in Triatoma infestans Klug (Hemiptera, Reduviidae) after temperature shocks. Rev Saúde públ 25: 461-467, 1991. Garcia SL, Rodrigues VLCC, Garcia NL, Ferraz Filho NA, Mello MLS. Survival and molting incidence after heat and cold shocks in Panstrongylus megistus (Burmeister). Mem Inst Oswaldo Cruz 94(1): 131-137, 1999. Garcia SL, Garcia NL, Rodrigues VLCC, Mello MLS. Effect of sequential cold shocks on survival and molting incidence in Panstrongylus megistus (Burmeister) (Hemiptera, Reduviidae). Cryobiology 41: 74-77, 2001. Imperador CHL, Bardella VB, dos Anjos EHM, Rodrigues VLCC, Cabral-de-Mello DC, Mello MLS. Spatial distribution of heterochromatin bodies in the nuclei of Triatoma infestans (Klug). Micr Microanal 26: 567-574, 2020. doi: 10.1017/S14319276620000149X Bassani A, Rocha MA, Rodrigues VLCC, Santos DS, Nascimento JD, da Rosa JA, Mello MLS. Effects of sodium valproate on the chromatin of Triatoma infestans (Klug, 1834) (Hemiptera, Reduviidae) under in vitro culture conditions. Acta Histochem 123: 151695, 2021. doi: 10.1016/j.acthis.2021.151695
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Data on molting incidence in Panstrongylus megistus.tab
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Published Sep 21, 2021
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12 Variables, 6 Observations UNF:6:2lcYUGuPTt/Bf8CKPqEu2w==
Data on molting incidence in Panstrongylus megistus (Burmeister)
Data on molting incidence in Triatoma infestans.tab
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Published Sep 21, 2021
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12 Variables, 9 Observations UNF:6:p3ZS+88NXhXul18GoaypRg==
Data on molting incidence in Triatoma infestans (Klug)
Data on survival and molting rates of T. infestans and P. megistus.docx
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Published Sep 21, 2021
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Data on survival and molting rates of Triatoma infestans and Panstrongylus megistus
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