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Frog farming: Investigation of biological and mechanical agents to increase the consumption of pelleted food by adult Rana temporaria

Frog farming: Investigation of biological and mechanical agents to increase the consumption of... Frog farming: Investigation of biological and mechanical agents to increase the consumption of pelleted food by adult Rana temporaria Jonathan Miles, James Williams, Adrian Hailey 1 School of Biological Sciences, University of Bristol, Woodland Road, Bristol BS8 1UG, UK 1 Corresponding author. Present address: Department of Life Sciences, The University of the West Indies, St. Augustine, Trinidad and Tobago, West Indies e-mail: ahailey@fsa.uwi.tt Abstract. The requirement of moving prey for eliciting feeding behaviour is typical of anurans, and is one of the major difŽ culties of rearing frogs. This difŽ culty can potentially be solved by using mechanical devices to move the food, or by mixing inert food with live prey. This study investigated consumption of pelleted food by adult common frogs, Rana temporaria , when moved by a mechanical stirrer or by  y larvae. The mechanical device did not produce higher consumption than inert pellets alone. Fly larvae signiŽ cantly increased consumption of food pellets, whether these were mixed together, or the larvae were isolated below the pellets by a  exible membrane. Consumption was similar whether the membrane was sealed or perforated, so that movement of the pellets, rather than the scent of the  http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Applied Herpetology Brill

Frog farming: Investigation of biological and mechanical agents to increase the consumption of pelleted food by adult Rana temporaria

Applied Herpetology , Volume 1 (3-4): 271 – Jan 1, 2004

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References (39)

Publisher
Brill
Copyright
© 2003 Koninklijke Brill NV, Leiden, The Netherlands
ISSN
1570-7539
eISSN
1570-7547
DOI
10.1163/157075403323012223
Publisher site
See Article on Publisher Site

Abstract

Frog farming: Investigation of biological and mechanical agents to increase the consumption of pelleted food by adult Rana temporaria Jonathan Miles, James Williams, Adrian Hailey 1 School of Biological Sciences, University of Bristol, Woodland Road, Bristol BS8 1UG, UK 1 Corresponding author. Present address: Department of Life Sciences, The University of the West Indies, St. Augustine, Trinidad and Tobago, West Indies e-mail: ahailey@fsa.uwi.tt Abstract. The requirement of moving prey for eliciting feeding behaviour is typical of anurans, and is one of the major difŽ culties of rearing frogs. This difŽ culty can potentially be solved by using mechanical devices to move the food, or by mixing inert food with live prey. This study investigated consumption of pelleted food by adult common frogs, Rana temporaria , when moved by a mechanical stirrer or by  y larvae. The mechanical device did not produce higher consumption than inert pellets alone. Fly larvae signiŽ cantly increased consumption of food pellets, whether these were mixed together, or the larvae were isolated below the pellets by a  exible membrane. Consumption was similar whether the membrane was sealed or perforated, so that movement of the pellets, rather than the scent of the 

Journal

Applied HerpetologyBrill

Published: Jan 1, 2004

Keywords: FEEDING; FROG; RANA; PELLETED FOOD; RANACULTURE; FARMING

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