05.03.2014
El Exo Terra Reptil UVB100 emite niveles A?ptimos de UVB, similar a los ambientes con sombras tales como bosques lluviosos y otras localidades tropicales. Unlike 10 years ago, when the knowledge of this subject was minimal, we now know the requirements of most species kept in captivity. Ultraviolet radiation only counts for about 3% of the solar energy that reaches the Eartha€™s surface. It is situated in the high energy portion of the electromagnetic spectrum, just beyond visible light. It has been demonstrated that reptiles can see into the ultraviolet range (300-400 nm), especially in the longwave UVA range.
Carnivorous and omnivorous reptiles get a high proportion of their vitamin D3 requirement from their food. If inadequate levels of vitamin D3 are available, the animal will rapidly develop the condition known as Metabolic Bone Disease. UVB is generally defined as the wavelength range from 290-320nm, but it is the range between 290-305 nm that is most important. Some species can regulate the exposure to sunlight to protect themselves from the damaging effects of UVB.
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Pet mountain is the online leader in discount reptile uva uvb lights and bulbs, featuring the widest selection and the lowest prices.. A compact fluorescent lamp (cfl), called compact fluorescent light, energy-saving light, compact fluorescent tube, fluorescent lamp designed replace. A fluorescent lamp tube filled gas pressure mercury vapor argon, xenon, neon, krypton. Copyright © 2014 Review Ebooks, All trademarks are the property of the respective replica rolex daytona trademark owners.
This attractive landscape scene of a Tropical Beach and Palm Trees really helps to complete your reptile’s habitat.
Love walking past my animals cage and seeing this beautiful … Love walking past my animals cage and seeing this beautiful background. If you live in a warm climate and your tortoise spends most of his days outside with free access to the natural sun, you won't need to use UV bulbs. On the other hand, if you live in a cooler climate with a short outdoor season, it's important to use UVB lights indoors in addition to non-UV basking bulbs and heaters. When purchasing UVB lights, always buy good quality reptile specific bulbs from trusted manufacturers like Zoo Med and Arcadia. Always install lighting and heating devices securely and according to the manufacturer's directions.
Zoo Med has created a nice chart for choosing the right UVB bulb for your enclosure based on its height. Zoo Med stands are adjustable in height and depth and allow you to position the lights exactly where you want them.
In the past, when no reptile lamp stands were available and I still used clamp lights, I secured them with welding ground clamps (pic). UVB and heat lamps can also be installed securely by suspending them from sturdy ceiling hooks or wall brackets. Indoors, you can provide UVB with reptile fluorescent bulbs (long tubes) or reptile mercury vapor bulbs (MVB). MVB's provide a high level of UVB, but using separate basking bulbs with UVB tubes allows more flexibility for lighting and heating arrangements. Reptile UVB fluorescent tube sizes: T-12 is the oldest size, T-8 was the common size before the new T-5 HO tubes were released. Many, if not most, tortoise keepers are switching from the T-8 tubes to the newer, stronger T-5 UVB tubes. Note: The new T-5 HO (high output) UV tubes will not fit in the traditional T-8 fixtures.
According to the manufacturer, the Arcadia D3+ T-5 desert species tubes (12% UVB) provide 100% more visible light and 95% more UVB than reptile T-8 tubes of the same length. Zoo Med started advertising their new ReptiSun T-5 HO UVB tubes for reptiles in Nov 2012, and they became available for purchase soon after that. These new T-5 HO fluorescent tubes emit twice as much light and UVB as the traditional T-8 tubes. Compact reptile UVB bulbs are short fluorescent bulbs that screw in like regular light bulbs.
There's a lot of controversy among tortoise keepers about using compact fluorescent UVB bulbs. You may want to AVOID using compact bulbs until more research is done and results are published.
Some years ago, several reptile keepers reported eye problems in their animals due to the very intense UV radiation from some compact fluorescent bulbs at short distances.
Even the best quality compact fluorescent UVB bulbs are NOT ideal for tortoises because they cannot provide large enough UVB zones at sufficient intensity.


Update 2013: Zoo Med released a new UVB compact bulb for 2013, the Mini Compact Fluorescent. Compact fluorescent bulbs, like all UVB lights, should be installed DIRECTLY OVERHEAD of the tortoise, not at an angle clipped to the side of the enclosure.
Wire deflectors (open wire lamp fixtures) can be used with MVB's as well, especially with the higher wattage ones, to help prevent bulb overheating. You can also use work lights, utility lights, or brooder lights to hold reptile bulbs, although some of them are too shallow for the MVB's. Adjust the bulb position up or down, but above the minimum installation height, to achieve the ideal basking temperature. A common recommendation is to keep indoor tortoise enclosure lights on 12-14 hours a day during the summer and 10-12 hours during the winter. On the other hand, Andy Highfield of Tortoise Trust (Promoting Proper Bone Development, 2003), suggests that spending 3-4 hours outside daily is enough UVB exposure to produce adequate levels of vitamin D3 in tortoises if you live in an area that has native chelonians. Basically, you have two choices in commonly available reptile UVB bulbs: mercury vapor bulbs and long UVB fluorescent tubes.
In a large enclosure with two or more tortoises, it's better to have several lower wattage MVB's instead of one high wattage bulb. Long T-12 and T-8 fluorescent UVB tubes have been used for many years as an indoor UVB source for reptiles. Reptile UV bulbs should to be changed every 6-12 months because their UVB output degrades over time. You can monitor the intensity and ageing of your UVB lamps with a small, handheld device called a UV meter. These UV meters are not cheap, but they can save you money in the long run because you don't need to change UVB bulbs prematurely.
For more info on these meters and some example outdoor measurements, see the UVB & UVI readings page.
You can buy special types of glass or acrylic that allow the transmission of UV radiation, but they are more expensive than regular glass. In order to provide reptiles the best possible lighting solution Exo Terra has tweaked all spectrums and added several new bulbs based on recent research.
All our new UVB bulbs have been designed for maximum vitamin D3 photosynthesis, by concentrating the UVB output near the 294 nm within the UV output.
However, plants do not contain D3 (cholecalciferol), instead they contain D2 (ergocalciferol), which is far less efficient in calcium metabolism than D3.
In this condition, bone density suffers and various other serious metabolic problems occur. Sufficient irradiation within this narrow sub-band of the UVB range is a requirement for the photosynthesis of vitamin D3 in skin.
Season, time of the day and the environmental and body temperature have an influence on the exposure to the Sun and UVB. This one has a MVB in a large deep dome for basking and a long UVB fluorescent tube for additional lighting.
Cheap, copycat bulbs of unknown brands can emit dangerous UV radiation, for example, a too high level, the wrong wave length, or the wrong type.
Improperly and unsafely installed tortoise enclosure fixtures have caused many house fires. Zoo Med reptile lamp stands (show in the first pic on this page) work well with deep dome fixtures. This can cause clamp light fixtures to slide down to one side, or even fall off, and start a fire. Welding clamps have a very strong grip, but other heavy-duty steel spring clamps work as well. Reptile T-5 HO tubes are stronger and put out twice the light and UVB as the older the T-8 tubes. Shop light and strip light fixtures are perfect holders for linear T-8 UVB fluorescent bulbs. Some keepers say there are fine to use when properly installed, while others swear compact bulbs have caused severe eye problems, even blindness, to their tortoises. Unfortunately, the Reptile UV Guide UK website by Dr Frances Baines has not been updated in several years with any new results about compact UV bulbs. The UVB gradient is intense: too strong and possible harmful at close distance and too weak at a usable distance. For example, with Zoo Med compact bulbs the period of high light and UVB output lasts about 150 hours.
It can be used with Zoo Med’s Naturalistic Terrarium Hood or the Mini Deep Dome fixture. According to UV Guide UK web site, some, but not all, MVB's from batches JI, KI and LI are affected. In other words, MVB's of the same wattage from different manufactures can vary in depth and width. Because MVB's stick out when placed in traditional reptile bulb holders, I like to use the LARGER Zoo Med's Deep Dome or Fluker's Sun Dome fixtures with them.


Because I don't like any bright light shining into my eyes and I only use 100W MVB's, the deep dome fixtures work well for me. I used to have many of my lights on timers on a fixed schedule, but I have since then switched to a manual control to follow the actual day period.
He feels that too much UV is pointless and only breaks down the initial level of vitamin D3. MVB's and the new T-5 HO UV bulbs are more expensive than the older T-8 UV tubes, but their output last longer.
These plastics are especially useful for building outdoor warm up areas for tortoises utilizing polytunnels or small greenhouses.
Symptoms include swelling, lethargy, general weakness, tremors and softening of the shell in turtles and tortoises. Although radiation below wavelengths of 310 nm promotes photosynthesis of vitamin D3, radiation above 310 nm destroys vitamin D3 that has been already synthesized in skin tissue or obtained nutritionally. Many species also have physical adaptations to protect themselves from UVB damage to vital organs like darkly pigmented UVB-absorbing layers in the skin. Always provide hiding places for the tortoise to escape the bright UVB lights if he so desires. I like the bigger stand, model LF-20, better because it has a larger foot and is more stable. Using a lamp stand (scroll down for info) and a bulb holder that has a metal loop for hanging is a safer way to install your lights. Fluorescent bulbs only give out light, UVB, and UVA, so you'll need a separate heat-producing basking bulb with them. These linear reptile tubes produce a high amount of visible light, UVA (30%), and UVB (12% desert, 6% forest). During this time, place the bulb higher than usual or preburn it away from the tortoise enclosure. I turn the enclosure lights on at sunrise, or as close to it as possible depending on when I wake up, and then turn them off at sunset. His recommendation is to shine the UV light for about 20 minutes during the morning activity period and another 10 minutes during the afternoon activity period.
Frances Baines is a retired veterinary surgeon and well-known for her research on reptile UV lighting.
This provides a larger heated area that accommodates several tortoises and the basking temperature is not quite as intense in one spot. Thirdly, compare the animal rating and bulb positioning height with those featured on the bulb packaging. UVB reacts with the precursor of vitamin D, 7-dehydrocholesterol, in the skin to produce pro-vitamin D3.
Herbivorous and insectivorous reptiles are therefore far more dependent upon vitamin D3 synthesis than carnivorous specimens.
Next to a UVB light source, adequate levels of calcium must be present in the diet or must be provided by means of dietary supplementation. UVB rays also contribute to a good working immune system and may stimulate psychological health through the production of beta-endorphins. According to Dr Frances Baines from UV Guide UK, Arcadia T-5 D3 12% and Zoo Med T-5 ReptiSun 10.0 UV tubes are almost identical. Unlike the old compact instructions, instructions for this new bulb do not mention any initial burn-in period.
The defective bulbs emit abnormally short-wavelength UVB radiation and increase the risk of photo-kerato-conjunctivitis (eye problem). This creates a more natural day period with seasonal variations throughout the year for my non-hibernating species. Also, if one of the MVB's fails, you still have at least one working heat bulb until you replace the broken one. Depending on heat and the aid of a mechanism in the skin, pro-vitamin D3 is converted into vitamin D3 itself.
Juvenile reptiles are most at risk, although adults too can be affected if maintained in a state of deficiency for a long enough period. Trimming off the black borders below and above image area allows for a perfect fit in our 18D and 24D model cages. The traditional recommendation is to change bulbs when their UVB output has decreased by 30-50% per Solarmeter 6.2. The liver and kidneys transform vitamin D3 into its active form, a hormone (1,25, hydroxy-vitamin D) that regulates calcium metabolism. Egg laying females are also at great risk, due to the extra demands in calcium necessary for egg production.



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