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Green Ancondas and Growth

darkpythons666 Jan 28, 2006 11:04 AM

How quickly do Green Anacondas grow? Do they sprout like a burm or is a longer proccess? Thanks in advance
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Replies (2)

rstoddart Jan 28, 2006 12:26 PM

They have a normal boa growth rate, nothing like a burm or retic.

Kelly_Haller Jan 28, 2006 07:57 PM

As far as percentage increase per time period, they are the slowest growing of all the larger constrictors. Having raised a few from newborns to adults, Jud and I have collected some good data on growth rates. When moderately fed, their growth rates are very consistent from individual to individual. Moderate feeding being 7 to 10 day feedings as neonates and juveniles, and 2 to 3 week feeding intervals as subadults, young adults, and breeding females. Older adult non-breeding females and older adult males at 4 week intervals. The following are average growth measurements as seen in the greens we have worked with. Our typical growth rates show a female at around 5.5 to 6 feet by the first year, about 8.5 to 9 feet by the second year, and around 10 to 11 feet by the third year. By the fourth year growth has slowed considerably and a 4 year old female will be around 12.0 feet. By 5 years of age, the growth is down to 6 inches a year or less. I don't have any personal data, but females over 10 years are probably down to just a couple of inches per year, and slowing more with age. This would give you some idea of the great age of a female at 20 or 25 feet in the wild.

Males grow as females for about the first year to 18 months and then slow rapidly behind them. Two year old males are typically around 7 feet, and 8 feet at three years. Growth in males after three years of age can be measured at just a few inches per year and also slowing with increasing age.

As can be seen, a captive raised one year old burmese or retic will easily be as large or larger than a captive raised two year old green.

Kelly

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