The eggshell features and clutch viability of the broad-snouted caiman (Caiman latirostris) are associated with the egg burden of organochlorine compounds
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Citações na Scopus
16
Tipo de produção
article
Data de publicação
2013
Título da Revista
ISSN da Revista
Título do Volume
Editora
ACADEMIC PRESS INC ELSEVIER SCIENCE
Autores
STOKER, C.
ZAYAS, M. A.
DURANDO, M.
GALOPPO, G. H.
RODRIGUEZ, H. A.
REPETTI, M. R.
BELDOMENICO, H. R.
LUQUE, E. H.
Citação
ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY, v.98, p.191-195, 2013
Resumo
Organochlorine compounds (OCCs) are toxic and have been identified as endocrine-disrupting chemicals (EDCs). The broad-snouted Caiman (Caiman latirostris) is an oviparous species widely distributed in South America with potential to accumulate OCCs. The eggshell is formed during passage of the eggs through the oviduct. Since the oviduct is a target of hormone actions, exposure to OCCs could modify eggshell quality, thus affecting clutch viability. Eight clutches were collected from wetlands of Parana River tributaries, in north-eastern Argentina. Two to four eggs per clutch were used to establish the burden of OCCs, eggshell thickness and eggshell porosity. The remaining eggs were incubated in controlled conditions. Ten days after hatching, hatchling survival was assessed. Organochlorine pesticide residues (OCP5) were found in all clutches, while polychlorinated biphenyls (PCBs) were present in all but one clutch. The principal contributors to the OCP burden were members of the DDT family and oxychlordane. Eggshell thickness was 400.9 +/- 6.0 mu m and, unexpectedly, no association between eggshell thickness and the OCC burden was found. The number of pores in the outer surface was 25.3 +/- 43 pores/cm(2). A significant inverse correlation between porosity and OCC burden was found (Pearson r = -0.81, p= 0.01). Furthermore, a decrease in caiman survival with decreased pore density was observed (Pearson r= 0.73, p = 0.04). Our findings highlight another potential negative impact of current and past use of OCCs on wildlife species.
Palavras-chave
Organochlorine pesticides, PCBs, DDT, Eggshell porosity, Endocrine disruptors, Wildlife
Referências
- American Society of Icthyologists and Herpetologists (ASIH), 2004, GUID US LIV AMPH REP
- AR A, 1974, CONDOR, V76, P153, DOI 10.2307/1366725
- Beldomenico PM, 2007, ECOTOX ENVIRON SAFE, V68, P246, DOI 10.1016/j.ecoenv.2007.03.018
- Berg C, 2004, REPRODUCTION, V128, P455, DOI 10.1530/rep.1.00211
- Boggs ASP, 2011, HORMONES AND REPRODUCTION OF VERTEBRATES, VOL 3: REPTILES, P373
- COLBORN T, 1993, ENVIRON HEALTH PERSP, V101, P378, DOI 10.2307/3431890
- Crossley DA, 2005, J EXP BIOL, V208, P31, DOI 10.1242/jeb.01355
- DEEMING DC, 1989, J COMP PHYSIOL B, V159, P183, DOI 10.1007/BF00691739
- FERGUSON M W J, 1982, Transactions of the Zoological Society of London, V36, P99
- FRY DM, 1995, ENVIRON HEALTH PERSP, V103, P165, DOI 10.2307/3432528
- Girling JE, 2002, J EXP ZOOL, V293, P141, DOI 10.1002/jez.10105
- HANDRICH Y, 1985, RESP PHYSIOL, V60, P237, DOI 10.1016/0034-5687(85)90107-0
- Hincke MT, 2012, FRONT BIOSCI-LANDMRK, V17, P1266, DOI 10.2741/3985
- Hogg R. V., 2004, INTRO MATH STAT
- Holm L, 2006, ENVIRON TOXICOL CHEM, V25, P2787, DOI 10.1897/05-619R.1
- International Programme on Chemical Safety (IPCS), 2002, GLOB ASS STAT OF THE
- KAM YC, 1993, RESP PHYSIOL, V92, P127, DOI 10.1016/0034-5687(93)90033-7
- Kern MD, 1997, PHYSIOL ZOOL, V70, P530
- Lavelin I, 2000, POULTRY SCI, V79, P1014
- Lundholm CE, 1997, COMP BIOCHEM PHYS C, V118, P113, DOI 10.1016/S0742-8413(97)00105-9
- LUNDHOLM CE, 1982, ACTA PHARMACOL TOX, V50, P121
- Matter JM, 1998, SETAC TECH PUBLICAT, P267
- Metcalfe J., 1984, RESP METABOLISM EMBR, P205
- Montini J.P., 2006, PHYLLOMEDUSA, V5, P3
- PALMER BD, 1992, BIOL REPROD, V46, P39, DOI 10.1095/biolreprod46.1.39
- Paz Dante Agustin, 1995, Animal Biology, V4, P71
- Rauschenberger RH, 2004, ENVIRON TOXICOL CHEM, V23, P2906, DOI 10.1897/03-584.1
- Rauschenberger RH, 2007, ENVIRON SCI TECHNOL, V41, P5559, DOI 10.1021/es0628194
- Rauschenberger RH, 2009, J AQUAT ANIM HEALTH, V21, P249, DOI 10.1577/H07-051.1
- RORABACHER DB, 1991, ANAL CHEM, V63, P139, DOI 10.1021/ac00002a010
- Sepulveda MS, 2004, J WILDLIFE DIS, V40, P782
- Stoker C., 2004, THESIS U NACL LITORA
- Stoker C, 2003, GEN COMP ENDOCR, V133, P287, DOI 10.1016/S0016-6480(03)00199-0
- Stoker C, 2011, CHEMOSPHERE, V84, P311, DOI 10.1016/j.chemosphere.2011.04.013
- Verdade L. M., 2001, Brazilian Journal of Biology, V61, P431, DOI 10.1590/S1519-69842001000300012
- Wu TH, 2000, CHEMOSPHERE, V40, P671, DOI 10.1016/S0045-6535(99)00456-7