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Applied Herpetology 6 (2009) 397–399 www.brill.nl/ah Short Note Temporal release characteristics of cane toad parotoid gland secretions following benign electrical stimulation Micheal J. Maclean 1 and Michael J. Tyler 2 1 Department of Chemistry, University of Adelaide, Adelaide, SA 5005, Australia 2 School of Earth and Environmental Sciences, University of Adelaide, Adelaide, SA 5005, Australia Corresponding author; e-mail: michael.tyler@adelaide.edu.au Abstract The development of a technique of electrical stimulation to release secretions from the dermal macroglands of anurans has permitted analysis of the secretions of numerous species without the need to kill the sub- jects. Sequential photography of the process, involving stimulation of the parotoid glands of the cane toad, Bufo marinus , demonstrates the temporal characteristics. Liberation of the secretions commences after five seconds and maximum discharge is attained after 25 s. © Koninklijke Brill NV, Leiden, 2009 Key words Bufo marinus , dermal glands, electrical stimulation, temporal processes. It is imperative that the use of anurans for experimental purposes does not impact significantly upon the viability of populations. There is evidence that many species have undergone major declines throughout the last four decades. Some species have become extinct or are close to extinction (Baringa, 1990; Blaustein and
Applied Herpetology – Brill
Published: Jan 1, 2009
Keywords: DERMAL GLANDS; TEMPORAL PROCESSES; ELECTRICAL STIMULATION; BUFO MARINUS
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