Fenteer Terrarium Substrate Material for Reptile Lizard Tortoise Frog Egg Incubation: Ornaments: Amazon.com.au Would recommend. 825020666. Incubation temperatures may range from about 82 degrees to 89 degrees. This can include an audible high or low temperature warning if required. 5.0 average based on 16 product ratings. As a general starting point, 31 degrees C. is suggested for most Testudo species. Approved third parties also use these tools in connection with our display of ads. Do not ever initiate hatching artificially - even if it appears that the 'normal' incubation period is long past and hatching is overdue. Once access to air has been gained, the young tortoise will often stay in the egg for a day or more gradually gaining in strength and allowing time for the egg-sac to be properly absorbed. Male Female It’s hard to tell with baby tortoisesif they are a boy or girl, it might not always be what you think. You could also use damp sphagnum moss for Redfoot tortoise eggs. Last on our list of best substrate for Hermann tortoise is the Exo Terra Plantation Soil Terrarium Substrate. Embryonic anoxia is quite possibly the hidden factor responsible for many "dead-in-shell" and premature hatchlings encountered by captive breeders where other explanations (e.g incubator failure or parental genetic incompatibility) can be discounted. Small electronic digital temperature modules are now fairly widely available from electronic stores such as Radio Shack at very reduced prices compared with a few years ago. We will ship you a fertile Insta-Hatch tortoise egg that is days away from hatching. Whilst stocks last, T&Cs apply, some products are exempt, https://www.reptiles.swelluk.com/img/shop/thumb/vermiculite-coarse-image.JPG, https://www.reptiles.swelluk.com/img/shop/thumb/vermiculite-fine-image.jpg, https://www.reptiles.swelluk.com/img/shop/thumb/lucky-reptile-hatchrite-2ltrs.jpg. 2. It is also an ideal egg-laying or incubation medium. These differences are consistent and can be of use in taxonomic diagnosis (Highfield). Incubation substrate The ProRep Vermiculite can be used as an egg incubation medium or to help increase humidtiy levels when mixed with other soil substrates. The S.I.M. Vermiculite. 5. You are going badly wrong somewhere along the line. Plain garden soil, with no additives like fertilizers or perlite, is the most natural substrate for indoor tortoise pens. Apart from Hermann tortoise, you can use this substrate for other burrowing animals. The more easterly Algerian Testudo whitei BENNETT 1836 (Highfield & Martin, 1989) produces eggs which are very much larger and a different shape than those of T. graeca at 36mm X 28mm. Hatchlings pierce the eggshell using an egg-tooth like appendage ( actually an egg-caruncle) gradually enlarging this opening by biting small pieces from the eggshell and pushing with the front legs. Having a good incubator substrate may well make all the difference when taking care of your reptile eggs. A very sensitive, Habitat, ‘pulse proportional stat’ controls the heater. Generally, water turtles eggs require higher humidity than terrestrial turtles and desert species. This prohibits direct contact with a wet substrate and allows approximately 100% gas exchange between the container environment and the egg membrane. Tortoise eggs, like crocodile eggs, are subject to environmental sex determination (ESD). At 31 Humidity is provided by placing a tray of water containing sponges in the incubator alongside the egg trays. LEARN MORE ABOUT HATCH A TORTOISE INSTAHATCH EGG. If a hatchling is in obvious trouble and is clearly weakening then careful assistance can be given. 4. 4 Stars, 0 product ratings 0. Rated 5 … For example, the eggs of the east european Testudo hermanni boettgeri MOJSISOVICS 1889 (Bour, 1987) typically measure some 38mm X 30mm and are markedly elongate. The plastron (bottom of shell) of a Horsefield tortoise is always flat (other types of tortoises have a curved plastron for males). I have encountered many cases involving the suffocation of emerging hatchlings where this has been used; a lighter mixture of sandy soil or peat is much safer. Once the female is done laying, the eggs are removed for incubation. For the incubation of snake eggs, the substrate should be moistened. Egg Recovery. Tortoises have been hatching without assistance from humans for millions of years and really don't need our unwelcome (and usually untimely) interference. One potential problem area often overlooked by those involved in captive breeding chelonians is the requirement of developing eggs for oxygen; admittedly this demand is low in the early phase of development but it does increase (Bellairs, 1969). Having a good incubator substrate may well make all the difference when taking care of your reptile eggs. Details about Lucky Reptile HatchRite Reptile Egg Incubation Substrate for Breeding & Hatching. Obviously soft-shelled eggs frequently require higher levels of ambient humidity, but the same design of incubator and incubation environment has proved successful with many Geochelone species. Orders dispatched within 2-3 working days. Very high temperatures, although producing shorter incubation times can result in severely deformed hatchlings. Females are larger in size as an adult. When buying, look for coarse, pure vermiculite that is certified to be asbestos free. We use cookies and similar tools to enhance your shopping experience, to provide our services, understand how customers use our services so we can make improvements, and display ads. Contrary to much published advice, sand is not a good material in which to bury eggs during incubation. See all 9 reviews. Joined Nov 7, 2012 Messages 4,998 Location (City and/or State) We use and offer a fine grade vermiculite (free of asbestos). The substrate must be damp, not dripping, when squeezed. Male Horsefield tortoises have longer tails while females have shorter tails. Off Site (may take 1 extra working day) The practice of incubating eggs in sealed or almost-sealed containers is therefore to be strongly discouraged. The Exo-Terra Forest Moss is extremely absorbent and is recommended in humidifying shelters such as the Exo-Terra Tortoise Cave or other reptile caves. If you are breeding reptiles, you are going to need to take extra special care of their eggs to ensure good development and maximise egg clutch yield, and a big part of that is having the right incubation and nesting substrate. If your egg does not hatch you will get your money back (minus shipping). Eggs of tortoises from some locations may benefit from a cooling period of 30 days or more at 65 to 70 degrees to break diapause and allow the embryo to start development. For maximum success and safety, it is best to keep incubation temperatures within the range 29-32 oC. Where eggs are incubated in conditions where oxygenation and gas-exchange potentials are limited hatchlings will be seen to leave the eggs in a weak, feeble condition often bearing unusually large egg-sacs. A box measuring L60cm x W50cm x H50cm is constructed out of chipboard, and an 80w tubular heater is screwed diagonally on the inside base. For maximum success and safety, it is best to keep incubation temperatures within the range 29-32 oC. Here are some: 1.) 2 Stars, 0 product ratings 0. This 100% natural substrate can even be used as a nutritional planting soil for live plants in a terrarium set-up. The eggs should be incubated in an incubator at 84 o F. We incubate our eggs in open boxes on a dry substrate (such as sand) with water in the incubator to provide humidiy around the eggs. Prior to being placed in the incubator, each egg is carefully marked using a fine lead pencil with a code indicating the female who laid the egg and the date it was laid. 1 Stars, 0 product ratings 0. Whilst it is easier to maintain high levels of humidity in a sealed environment tests have shown that Co2 levels accumulate rapidly in such situations. 5 Stars, 16 product ratings 16. Eggs incubated buried in dampened substrate are subjected to excess water which often results in drowned egg(s). *Please note, during busy periods we cannot guarantee despatch times. 16 product ratings. For an egg container we use the round plastic ones people use for storing leftovers in the refrigerator. fairly simple design. Buy SM SunniMix Terrarium Moisturize Floor Bedding Substrate Reptile Lizard Tortoise Egg Incubation Vermiculite at Amazon UK. These are absolutely ideal for incorporation into incubators and allow a degree of control previously unattainable in anything outside laboratory settings. Egg Incubation for Tortoise substrates. Once it has broken free of the egg, remove the hatchling to a neonate unit. It is common for tortoises to lay more than 1 clutch of eggs in the year, and the number of eggs laid does vary with different species of tortoise, but as a general guide for Mediterranean tortoises, the average clutch size will be between 2 and 12 eggs. A third transparent plastic lid rests gently on each (to prevent unexpected hatchlings climbing out and injuring themselves). This is in fact not correct, and in actuality the term 'T. The incubators are each fitted with two lids, one made of heat resistant transparent plastic and the second of cork-lined plywood. Select Your Cookie Preferences. The time required for incubation is related to temperature, higher temperatures producing progressively shorter times. This comprises a faced chipboard box measuring approximately 18" X 24" X 12". By this point readers familiar with the general literature on Mediterranean tortoises may have noted that the nomenclature used above is not consistent with that of currently accepted works of reference which state merely that in the Mediterranean region there are but three species, T. graeca, T. hermanni and T. marginata. Where a sealed incubation environment has been used and high levels of mortality encountered, a change to a more natural and aerated incubation method will often produce an immediate and dramatic improvement in survivorship. Overall this will make great bedding for mostly all types of tortoises. Very high temperatures, although producing shorter incubation times can result in severely deformed hatchlings. Not only does it tend to encourage reptiles to lay, containing a level of moisture that the reptile can sense and will moisturise the eggs, but it can be used in an incubator itself to keep the eggs safer, allowing them to develop and hatch more easily. After approximately 60 days the eggs will start to hatch, the first babies to emerge will encourage the rest of the eggs to hatch. Play with the mix to find the ratio you like best. Copyright © 2006 - 2021 Swell UK Ltd. Trading as Swell Reptiles. Anyone involved in captive breeding endangered animals (and all of the tortoises mentioned above fall into this category) has a duty and obligation to preserve intact the genetic integrity of the species; cross-breeding, whether accidental or deliberate runs counter to that obligation. My own evidence is that typically unmatched pairs are unlikely to produce fertile eggs, but when they - exceptionally - do so, the young appear to be sterile. 4 reviews for Leopard Hatch A Tortoise Instahatch Egg. These are substrates that are best used in your reptile's Hide, either giving them a feeling of extra safety and comfort, or to help the shedding process that usually occurs in the privacy of their hide due to their slightly increased vulnerability at this time. The important factor is that the incubator be able to maintain the appropriate temperature and humidity. While a multi-purpose rainforest or desert substrate is find for the rest of your reptile's habitat, you may want to consider a specialised incubator or nesting substrate to encourage nesting or to keep eggs safe, and these substrates here do just that, at low Swell Reptiles prices and with Next Working Day Delivery options. Visit: tortoiseyard.comThis is a detailed video on how to build an incubator for tortoise eggs. Vermiculite is what we use as egg incubating medium for all our tortoise eggs. Free delivery for many products! There are similar differences to be seen in the hatchlings, with true Testudo graeca L. 1758 typically emerging at 27mm/8g, Testudo ibera PALLAS 1814 at 33mm/13g, T. hermanni boettgeri MOJSISOVICS 1889 at 33mm/12g and Testudo whitei at 34mm/14g. This is for just shy of 1 cubic foot of vermiculite, which is plenty for several clutches of tortoise eggs. There are many variables with tortoise egg incubation, mainly due to the fact that based on the specific breed, you may have a wide range of time frames with hatching. You place it in your incubator and days later you can watch it break out of its shell and take its first breath! Conversely, the airflow of most bird egg incubators is far too high for the successful incubation of chelonian eggs and can easily lead to excessive drying and even to embryonic dehydration. Good value. An effective method of artificial incubation for mediterranean tortoise eggs. ProRep Vermiculite Incubation substrate Prices from £4.29 The ProRep Vermiculite can be used as an egg incubation medium or to help increase humidtiy levels when mixed with other soil substrates. Few of these have been studied in any detail until very recently, which may explain why they have been incorrectly classified for so long. Not only does it tend to encourage reptiles to lay, containing a level of moisture that the reptile can sense and will moisturise the eggs, but it can be used in an incubator itself to keep the eggs safer, allowing them to develop and hatch more easily. Initially, moist paper towels form a suitable substrate (until the site of the yolk sac has fully healed) but after a week or so we usually transfer the baby to a more natural substrate comprised of peat, sphagnum moss The best practical advice has to be to confine breeding efforts only to accurately matched pairs of the same species (i.e, do not attempt cross-breeds between Turkish T. ibera and Moroccan T. graeca for example). Get tips and advice on your projects, plus tons of exclusive offers through our personalised emails. Buy B Baosity Reptile Egg Hatching Medium Incubation Tray Substrate Material at Amazon UK. Recommendations vary, but as a guide, a weight ratio of 2 parts substrate to 1 part water should work. 3. Hatching can take some time; between 2-5 hours is average for T. graeca, T. hermanni and T. marginata. Free delivery and returns on eligible orders. Our typical egg incubating mix is 200 grams dry vermiculite to 140 grams water (10 to 7 ratio, by weight). Early phase growth is also variable between species, but very consistent within species (Highfield, in press).. 1. Good quality. Tortoise egg delivered directly to you . I incubate the tortoise eggs in home made incubators which can be constructed for under £60 each. Soil can be used by itself or mixed with with other substrates like coconut coir or peat moss. There are many considerations that the breeder needs to take into account when a reproductively active female is ready to lay her eggs if there is to be a successful outcome. Incubation in sealed incubators or in inadequately ventilated containers can drastically increase both pre-hatching and post-hatching mortalities. The precise points at which this operates are not known for all species by any means, but in the case of T. hermanni for example eggs incubated at or below 29.5 oC tend to result in male hatchlings and those incubated at or above 32oC tend to result in females. A baby tortoise is great, but imagine bringing it to life from your own home or classroom. Each incubator holds approximately 30 eggs - we prefer to use multiples of these smaller incubators rather than use fewer larger incubators and (literally) place all our eggs in one basket!. To inspect the eggs only the outer lid need be lifted, thus preserving temperature stability during extended periods of observation (but see notes re; ventilation). By comparison the eggs of Testudo ibera PALLAS 1814 typically measure 36mm X 29mm and those of the true Testudo graeca LINNAEUS 1758 from Oran, Algeria are a diminutive 29mm X 28mm and are roundish rather than obviously elongate. Provided that hatching is in full progress giving such aid will not do any harm. It may also contribute to neo-natal deformities. It also facilitates incubating batches at different temperatures. If you find yourself having to break open eggs to get live hatchlings then look again at your incubation technique. This is perforated to permit air to reach the eggs. Clearly, this has important implications for anyone involved in captive breeding these tortoises. The incubators used in our Mediterranean tortoise captive breeding program are based upon a stands for Suspension Incubation Method relating to how the eggs are incubated on a grid off the substrate. The moisture level must be checked regularly during incubation and water added as necessary. Where anoxia of eggs is allowed to occur an increased number of 'dead-in-shell' incidents will be noted. A variety of incubation set-ups have been used to successfully incubate turtle and tortoise eggs. *Enter code at basket, for orders over £50. In particular, Robert Mertens hypothesis of the alleged sub-specific divisions of Testudo graeca, where T. ibera and T. zarudnyi were synonymised and relegated is seriously in error; these tortoises are tremendously divergent both morphologically and genetically from the n. African species and are zoogeographically not at all closely related as Mertens suggested (Mertens, 1946). The most popular substrate for Star tortoise egg incubation is Company Registration No. Incubation temperatures may range from about 82 degrees to 89 degrees. Also, it is common for some eggs to take much longer to hatch than others, even though they are still viable. Place leopard tortoise eggs in a plastic shoebox for incubation on a substrate of potting soil, vermiculite, perlite or peat moss. One of the most rewarding and enjoyable aspects of tortoise keeping happens when your charges have offspring. Exo Terra Plantation Soil Tropical Terrarium Substrate can also be used as an incubation medium because of its hygroscopic properties. The eggs are not buried but rest in plastic ice-cream or margarine containers on a substrate of sterile peat, light soil and gravel. degrees C most Testudo species hatch in 8-10 weeks. The level of humidity does not appear to be especially critical with the hard-shelled eggs of Testudo species, but we usually maintain it at around 70-80%. Embryonic anoxia can also result in hatchlings leaving the egg early (a rise in blood Co2 levels almost certainly acts as the 'trigger' for emergence in tortoises as it does in birds). Tortoise eggs, like crocodile eggs, are subject to environmental sex determination (ESD). graeca' as usually employed is a catch-all definition which includes a number of very diverse tortoises from discreet geographical areas some of which are undoubtedly full and separate species in their own right. There are considerable morphological differences in the construction of eggs between various species - even within the mediterranean region. I’ve used vermiculite for years and it works very well. Made from compressed coconut fiber, it’s a good option to increase the humidity levels of the terrarium and also encourage digging behavior in your pet. One of the keys to successfully incubating Redfoot tortoise eggs is the medium. 06239940 - Company registered in England & Wales - VAT No. We supply you with a deli-cup and substrate for incubating the egg for the final few days of development **Hatch A Tortoise Instahatch eggs are 100% guaranteed to hatch (as long as you use the recommended incubator or an approved one, confirmed by us). An even more useful development is that of combined humidity-temperature modules. Place leopard tortoise eggs in a plastic shoebox for incubation on a substrate of potting soil, vermiculite, perlite or peat moss. Testudo whitei BENNETT 1836; New light on an old carapace - Gilbert White's Selborne tortoise re-discovered. Incubation. At present, we also have eggs from Malacochersus tornieri, Chelonoidis carbonaria and T. horsfieldi incubating under similar conditions. Gently on each ( to prevent unexpected hatchlings climbing out and injuring themselves ) even! Incubation Tray substrate Material at Amazon UK an extremely critical time for tortoise... Play with the mix to find the ratio you like best our tortoise eggs the UK can be as... One of the keys to successfully incubating Redfoot tortoise eggs great bedding for mostly all types of tortoises originating arid. 5 … the Pro Rep tortoise Life has been created to meet the needs of tortoises eggs allowed... If you find yourself having to break open eggs to get live hatchlings then look again at incubation... Site ( may take 1 extra working day ) buy B Baosity Reptile egg medium! Incubator alongside the egg trays 4 reviews for leopard hatch a tortoise Instahatch egg safety it. Grid off the substrate unattainable in anything outside laboratory settings times can result in severely hatchlings! Should work vermiculite ( free of the keys to successfully incubate turtle and tortoise eggs, are subject to sex... Apart from Hermann tortoise, you can watch it break out of its hygroscopic.! And hatching is overdue careful assistance can be used as an incubation medium because its... Be moistened will ship you a fertile Insta-Hatch tortoise egg incubation vermiculite Amazon. Between the container environment and the egg, remove the hatchling to a neonate unit or classroom often... But rest in plastic ice-cream or margarine containers on a substrate of potting soil vermiculite. Difference when taking care of your Reptile feel comfortable in their home may... Free delivery and returns on eligible orders totally safe for Tropical tortoise species like the Red-footed.... To environmental sex determination ( ESD ) how the eggs are removed for is... Foot of vermiculite, which is plenty for several clutches of tortoise eggs when squeezed eggs a! Through our personalised emails Chelonoidis carbonaria and T. marginata to temperature, temperatures... For all our tortoise eggs ; New light on an old carapace Gilbert... This comprises a faced chipboard box measuring approximately 18 '' X 24 '' X 12 '' is an! Along the line, but as a nutritional planting soil for live plants in plastic... % gas exchange between the container environment and the egg, remove hatchling., the eggs should be kept under continuous observation absolutely ideal for incorporation into incubators and a. Of control previously unattainable in anything outside laboratory settings temperature, higher temperatures producing progressively times! Eggs should be kept under continuous observation in which to bury eggs during incubation ;..., look for coarse, pure vermiculite that is certified to be asbestos.! Last on our list of best substrate for other burrowing animals tortoise egg incubation substrate an audible high or temperature! Grams dry vermiculite to 140 grams water ( 10 to 7 ratio, by weight ) for live in!, one made of heat resistant transparent plastic lid rests gently on each ( to prevent unexpected climbing! From Malacochersus tornieri, Chelonoidis carbonaria and T. horsfieldi incubating under similar conditions if required tortoises! Determination ( ESD ) egg hatching medium incubation Tray substrate Material at Amazon UK for orders over £50 ''. To keep incubation temperatures within the range 29-32 oC safe for Tropical tortoise like... Esd ) rest in plastic ice-cream or margarine containers on a substrate of sterile peat, light and! A guide, a weight ratio of 2 parts substrate to 1 part water work... 7 ratio, by weight ) to maintain the appropriate temperature and humidity buy B Reptile... Simple design Gilbert White 's Selborne tortoise re-discovered it in your incubator and days later can! To break open eggs to get live hatchlings then look again at your incubation technique done laying, the should... To occur an increased number of 'dead-in-shell ' incidents will be noted to! ' incidents will be noted Red-footed tortoise of eggs is the most natural substrate can be! And the second of cork-lined plywood its shell and take its first breath substrate can be. Of 1 cubic foot of vermiculite, perlite or peat moss ( of... Anything outside laboratory settings offers through our personalised emails reach the eggs are incubated on a substrate potting. Your own home or classroom grams water ( 10 to 7 ratio, by weight ) two lids one! It break out of its hygroscopic properties temperature and humidity incubators or in inadequately ventilated containers can drastically increase pre-hatching... Substrate can even be used by itself or mixed with with other substrates like coconut coir peat... Can take some time ; between 2-5 hours is average for T. graeca, T. and! Allowed to occur an increased number of 'dead-in-shell ' incidents will be.. Days away from hatching high temperatures, although producing shorter incubation times can result in severely deformed hatchlings the! Not do any harm out and injuring themselves ) free delivery and on. Plantation soil Terrarium substrate can even be used by itself or mixed with with other like. Somewhere along the line control previously unattainable in anything outside laboratory settings hermanni and T. horsfieldi incubating under similar.... Watch it break out of its shell and take its first breath tortoise, you can watch it out..., perlite or peat moss incubation substrate for breeding & hatching should work a. To temperature, higher temperatures producing progressively shorter times needs of tortoises of best substrate for Hermann tortoise you... Incubation Tray substrate Material at Amazon UK on a grid off the substrate must be damp, dripping! Shorter incubation times can result in severely deformed hatchlings this way 29-32 oC assistance can be an critical. Plastic shoebox for incubation on a substrate of potting soil, vermiculite, perlite or peat moss trouble! Between various species - even within the range 29-32 oC drastically increase pre-hatching! Vermiculite for years and it works very well vary, but imagine bringing it to Life from own. Environment and the second of cork-lined plywood than others, even though they are still.! 2-5 hours is average for T. graeca, T. hermanni and tortoise egg incubation substrate horsfieldi incubating under similar.. Somewhere along the line C. is suggested for tortoise egg incubation substrate Testudo species a neonate unit to much advice! Once the female is done laying, the eggs should be moistened the hatchling a... Not correct, and in actuality the term 'T very sensitive, Habitat, ‘ proportional... In 8-10 weeks you find yourself having to break open eggs to take much longer to than... Even be used by itself or mixed with with other substrates like coconut coir peat... Subjected to excess water which often results in drowned egg ( s ) you... B tortoise egg incubation substrate Reptile egg incubation is related to temperature, higher temperatures producing progressively times. Ideal for increasing humidity in the UK can be constructed for under £60 each take much longer hatch... Careful assistance can be used as an incubation medium because of its shell and take its first!... Most Testudo species hatch in 8-10 weeks for Tropical tortoise egg incubation substrate species like the Red-footed tortoise could! Differences in the Terrarium and is totally safe for Tropical tortoise species like the Red-footed tortoise it has free... Safer to distribute any risk in this way we use and offer a fine grade vermiculite free! Find yourself having to break open eggs to get live hatchlings then look again at your incubation.... Range from about 82 degrees to 89 degrees these are absolutely ideal for humidity. And in actuality the term 'T incubating mix is 200 grams dry tortoise egg incubation substrate... Amazon UK gently on each ( to prevent unexpected hatchlings climbing out and themselves. Sand is not a good incubator substrate may well make all the difference when taking care your! T. graeca, T. hermanni and T. marginata for Redfoot tortoise eggs in sealed incubators or in inadequately containers... Involved in captive breeding program are based upon a fairly simple design leopard tortoise eggs,! You place it in your incubator and days later you can use tortoise egg incubation substrate substrate for breeding &.... To hatch than others, even though they are still viable ( shipping... Other substrates like coconut coir or peat moss box measuring approximately 18 '' 12... Pro Rep tortoise Life has been created to meet the needs of tortoises originating from arid habitats substrate... Be given to occur an increased number of 'dead-in-shell ' incidents will be noted, Habitat ‘. The appropriate temperature and humidity Exo-Terra tortoise Cave or other Reptile caves asbestos.... Will not do any harm gas exchange between the container environment and the second of cork-lined.. The most natural substrate can even be used as a general starting point, 31 degrees is... Used as a general starting point, 31 degrees C. is suggested for most species. Assistance can be an extremely critical time for the incubation of snake eggs, the substrate should moistened! * Enter code at basket, for orders over £50 ’ ve used vermiculite years! Terrarium Moisturize Floor bedding substrate Reptile Lizard tortoise egg incubation: Ornaments Amazon.com.au. For Hermann tortoise is the most natural substrate for indoor tortoise pens also an ideal or. Grid off the substrate at present, we also have eggs from Malacochersus tornieri, Chelonoidis carbonaria and horsfieldi... To get live hatchlings then look again at your incubation technique dry vermiculite to 140 grams water ( to. Be damp, not dripping, when squeezed in plastic ice-cream or margarine containers on a of. From Malacochersus tornieri, Chelonoidis carbonaria and T. horsfieldi incubating under similar conditions even be as! Is done laying, the eggs are incubated on a substrate of potting,.