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- Title
Short-term effects of a spinosyn's family insecticide on energy metabolism and liver morphology in frugivorous bats Artibeus lituratus (Olfers, 1818).
- Authors
Amaral, T. S.; Carvalho, T. F.; Silva, M. C.; Barms, M.S.; Picanço, M. C.; Neves, C. A.; Freitas, M. B.
- Abstract
A new class of insecticide derived from fermentation of Sacharopolyspora spinosa - spinosad, has been indicated as being of low toxicity and a natural alternative to classical pesticides. In order to elucidate several aspects related to the morphophysiological changes induced by spinosad in Artibeus lituratus, the effects of a seven-day administration on plasma glucose, glycogen, protein and lipid concentrations were evaluated, and possible changes in liver cells were examined by histological analysis. Animals were fed with spinosyn-contaminated fruit through immersion in a solution. Data reporting on metabolism revealed a decrease in hind limb muscle lipid concentration in the treated group. Morphological analysis indicated a significant increase in liver cell diameter in treated animals compared to the control group. This study indicates that spinosyn, used at its recommended dose, does not affect general energy metabolism in A. lituratus but may affect some ultrastructural characteristics of liver cells.
- Subjects
BATS; ARTIBEUS; SPINOSYN; LIVER physiology; ENERGY metabolism; ANIMAL morphology; GLUCOSE analysis; LIVER cells
- Publication
Brazilian Journal of Biology, 2012, Vol 72, Issue 2, p299
- ISSN
1519-6984
- Publication type
Article
- DOI
10.1590/S1519-69842012000200010