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Husbandry Manual For the Green iguana Iguana iguana Author: Andrew Dowling Date of Preparation: 10/06/2008 Western Sydney Institute of TAFE, Richmond Course Name and Number: Captive Animals , 1068 Lecturer: Graeme Phipps, Jackie Salkeld TABLE OF CONTENTS OH&S WARNINGS .................................................................................................................................... 6 1 INTRODUCTION............................................................................................................................... 7 1.1 ANNUAL CYCLE OF MAINTENANCE ....................................................................................... 7 1.2 ASMP STATUS ................................................................................................................................. 8 2 TAXONOMY ...................................................................................................................................... 9 2.1 NOMENCLATURE .......................................................................................................................... 9 2.2 SUBSPECIES .................................................................................................................................. 9 2.3 RECENT SYNONYMS ..................................................................................................................... 9 2.4 OTHER COMMON NAMES ............................................................................................................. 9 3 NATURAL HISTORY ..................................................................................................................... 10 3.1 MORPHOMETRICS ....................................................................................................................... 10 3.1.1 Mass And Basic Body Measurements ................................................................................... 10 3.1.2 Sexual Dimorphism ............................................................................................................... 10 3.1.3 Distinguishing Features ........................................................................................................ 10 3.2 DISTRIBUTION AND HABITAT ..................................................................................................... 11 3.3 CONSERVATION STATUS ............................................................................................................ 11 3.4 DIET IN THE WILD ...................................................................................................................... 12 3.5 LONGEVITY ................................................................................................................................ 12 3.5.1 In the Wild ............................................................................................................................ 12 3.5.2 In Captivity ........................................................................................................................... 12 3.5.3 Techniques Used to Determine Age in Adults ....................................................................... 13 4 HOUSING REQUIREMENTS ........................................................................................................ 14 4.1 EXHIBIT/ENCLOSURE DESIGN .................................................................................................... 14 4.2 HOLDING AREA DESIGN ............................................................................................................. 14 4.3 SPATIAL REQUIREMENTS ........................................................................................................... 15 4.4 POSITION OF ENCLOSURES ......................................................................................................... 15 4.5 WEATHER PROTECTION.............................................................................................................. 15 4.6 TEMPERATURE REQUIREMENTS ................................................................................................. 16 4.7 SUBSTRATE ................................................................................................................................ 16 4.8 NESTBOXES AND/OR BEDDING MATERIAL ................................................................................. 16 4.9 ENCLOSURE FURNISHINGS ......................................................................................................... 17 5 GENERAL HUSBANDRY ............................................................................................................... 17 5.1 HYGIENE AND CLEANING ........................................................................................................... 17 5.2 RECORD KEEPING ...................................................................................................................... 18 5.3 METHODS OF IDENTIFICATION ................................................................................................... 18 5.4 ROUTINE DATA COLLECTION ..................................................................................................... 19 2 6 FEEDING REQUIREMENTS ......................................................................................................... 20 6.1 CAPTIVE DIET ............................................................................................................................ 20 6.2 SUPPLEMENTS ............................................................................................................................ 25 6.3 PRESENTATION OF FOOD ............................................................................................................ 27 7 HANDLING AND TRANSPORT ................................................................................................... 28 7.1 TIMING OF CAPTURE AND HANDLING ........................................................................................ 28 7.2 CATCHING BAGS ........................................................................................................................ 28 7.3 CAPTURE AND RESTRAINT TECHNIQUES .................................................................................... 28 7.4 WEIGHING AND EXAMINATION .................................................................................................. 28 7.5 RELEASE .................................................................................................................................... 28 7.6 TRANSPORT REQUIREMENTS ...................................................................................................... 29 7.6.1 Box Design ............................................................................................................................ 29 7.6.2 Furnishings ........................................................................................................................... 32 7.6.3 Water and Food .................................................................................................................... 32 7.6.4 Animals per Box .................................................................................................................... 32 7.6.5 Timing of Transportation ...................................................................................................... 32 7.6.6 Release from Box .................................................................................................................. 33 8 HEALTH REQUIREMENTS .......................................................................................................... 34 8.1 DAILY HEALTH CHECKS ............................................................................................................ 34 8.2 DETAILED PHYSICAL EXAMINATION .......................................................................................... 34 8.2.1 Chemical Restraint ............................................................................................................... 34 8.2.2 Physical Examination ........................................................................................................... 34 8.3 ROUTINE TREATMENTS .............................................................................................................. 34 8.4 KNOWN HEALTH PROBLEMS ...................................................................................................... 35 8.5 QUARANTINE REQUIREMENTS .................................................................................................... 42 9 BEHAVIOUR .................................................................................................................................... 43 9.1 ACTIVITY ................................................................................................................................... 43 9.2 SOCIAL BEHAVIOUR ................................................................................................................... 43 9.3 REPRODUCTIVE BEHAVIOUR ...................................................................................................... 43 9.4 BATHING .................................................................................................................................... 43 9.5 BEHAVIOURAL PROBLEMS ......................................................................................................... 44 9.6 SIGNS OF STRESS ........................................................................................................................ 44 9.7 BEHAVIOURAL ENRICHMENT ..................................................................................................... 44 9.8 INTRODUCTIONS AND REMOVALS .............................................................................................. 45 9.9 INTRASPECIFIC COMPATIBILITY ................................................................................................. 45 9.10 INTERSPECIFIC COMPATIBILITY .................................................................................................. 45 9.11 SUITABILITY TO CAPTIVITY ....................................................................................................... 45 10 BREEDING ....................................................................................................................................... 46 10.1 MATING SYSTEM ........................................................................................................................ 46 10.2 EASE OF BREEDING .................................................................................................................... 46 10.3 REPRODUCTIVE CONDITION ....................................................................................................... 47 10.3.1 Females ............................................................................................................................ 47 10.3.2 Males ................................................................................................................................ 48 10.4 TECHNIQUES USED TO CONTROL BREEDING .............................................................................. 48 10.5 OCCURRENCE OF HYBRIDS ......................................................................................................... 48 10.6 TIMING OF BREEDING ................................................................................................................. 48 3 10.7 AGE AT FIRST BREEDING AND LAST BREEDING ......................................................................... 48 10.8 ABILITY TO BREED EVERY YEAR ............................................................................................... 48 10.9 ABILITY TO BREED MORE THAN ONCE PER YEAR ..................................................................... 48 10.10 NESTING, HOLLOW OR OTHER REQUIREMENTS.......................................................................... 49 10.11 BREEDING DIET .......................................................................................................................... 49 10.12 INCUBATION PERIOD .................................................................................................................. 49 10.13 CLUTCH SIZE .............................................................................................................................. 49 10.14 AGE AT WEANING ...................................................................................................................... 49 10.15 AGE OF REMOVAL FROM PARENTS ............................................................................................. 49 10.16 GROWTH AND DEVELOPMENT .................................................................................................... 49 11 ARTIFICIAL REARING ................................................................................................................. 50 11.1 INCUBATOR TYPE ....................................................................................................................... 50 11.2 INCUBATION TEMPERATURE AND HUMIDITY ............................................................................. 50 11.3 DESIRED % EGG MASS LOSS ...................................................................................................... 50 11.4 HATCHING TEMPERATURE AND HUMIDITY ................................................................................ 50 11.5 NORMAL PIP TO HATCH INTERVAL ............................................................................................ 50 11.6 DIET AND FEEDING ROUTINE ..................................................................................................... 50 11.7 SPECIFIC REQUIREMENTS ........................................................................................................... 50 11.8 DATA RECORDING...................................................................................................................... 51 11.9 IDENTIFICATION METHODS ........................................................................................................ 51 11.10 HYGIENE .................................................................................................................................... 51 11.11 BEHAVIOURAL CONSIDERATIONS .............................................................................................. 51 12 ACKNOWLEDGEMENTS ................................................................................................................ 4 13 REFERENCES .................................................................................................................................... 4 14 BIBLIOGRAPHY ............................................................................................................................... 4 15 GLOSSARY ........................................................................................................................................ 4 16 APPENDIX .......................................................................................................................................... 5 4
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