Iguana is not the animals you would want to have so many because they do need rediculous large warm enclosure and are consider to be very difficult to keep properly than most reptiles, and by breeding them what are they going to do with the offsprings if they can't sell them. These guys need a room size enclosure or a least a cage that is 6 feet tall, 9 feet long, and 3 feet deep (remember these are giant aboreal lizard so vertical hieght is important) and bigger ground space for ground dewelling iguanas like the cycluras (actually the latter is bred in captivity because no wild population is allowed to be imported into the country). That is why many people opt not to breed iguanas, although it isn't that difficult. Green Iguana are produced by the millions in Central and South American countries and for cheaper price than green iguanas bred in the US. And not only that males iguanas are not recommended to be kept together because serious fight will break out and one of the iguana may end up dead as a result. So what do you do if you breed them and have so many male offsprings and you can't sell them? The can't live together! It's not recommended to have more than one male together. So you see iguana are notoriously difficult reptile to keep. And they do need the UVB light. Iguana cannot make use of vitamin D3 they ingest. It's been tried before by many of the early iguana keepers, but the problem of MBD keep occuring...until the invention of UVB light bulb and the understanding of sunlight plays in the production of vitamin D3.

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