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JOZSEF LASZLO Reptile Department, Hniistoti Zoological Gardens, Houston, Texas, USA Certain snakes of the family Crotalidae, genera Lachesis, Bothrops and Trirneresurus, and some lizards, especially members of the family Ciznmaeleonidae, are notoriously difficult to keep alive for any length of time despite the greatest care given them. Captive longevity in these species is usually of short duration, with only an occasional long-term success reported by zoological gardens. -1 special effort is now being made at the Houston Zoo to maintain some of the mo,e rare and delkdte species of Botlirops and Tritneresurus. \Ye have long suspected that the difficulty of keeping some pit vipers, such as Lachesrs mutn and Triinerrsurus inagleri, might be associated with a lack of natural sunlight. Reptiles and amphibians generally spend a great deal of their active life in nature under direct and indirect, visible and invisible, radiation from the sun. Therefore, their xell-being may be greatly affected by the type of light under which they are kept. In most public reptile displays, lamps used to light cages are either narrow-spectrum or give a distorted spectrum. We have recently been experimenting with two fluorescent tubes, Optima and Yita-lite, which seem to have certain advantages.
International Zoo Yearbook – Wiley
Published: Jan 1, 1969
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