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Subspecies and spreading:
Lacerta agilis agilis , West Europe and western middle Europe.
Lacerta agilis argus, Eastern middle Europe and north Balkan, northeast Italy.
Lacerta agilis boemica, Northeastern Caucasus.
Lacerta agilis bosnica, Jugoslavian mountains, Bulgaria and north Greece.
Lacerta agilis brevicaudata, Transcaucasia and northeast Turkey.
Lacerta agilis exigua, Easter of Dnjepr river and northern of Caucasus, east of Lake Baikal and to Issyk-Kul and nothwest China.
Lacerta agilis grusinica, Caucasian coast of Black sea and adjacent coast of northeast Turkey.
Lacerta agilis chersonensis, Bulgarian and Romanian lowlands, eastern Poland and western Russia.
Lacerta agilis ioriensis, Upper reaches of river Iori in Caucasus.
Description:
Snout-Ventral Length ( SVL) of approximatley 8 cms and tail about 1,5 times the SVL.
Colours and patterns vary between subspecies and populations. Predominant brown of gray ground-colour with numerous dark brown or black spots, particulary along a darker dorsalstripe. The species exhibits sexual dimorphism witch is particulary apparent in the breedingseason, when the males turn vivid green along the flanks. Males have a broader head, are stockier built and are on average slightly larger than females. Juveniles are similar in colour to the adults but lack green pigmentation. Hatchlings measure about 2 cms SVL, about 5,5 cms to 6,5 cms in total length.
Maximum life span is 12 years.
Habitat:
The species prefer heathlands with sand or sandy soil, it also inhabits sand-dune habitats in a few areas. This species also have a preference for southerly facing slopes especially at the northley altitudes. Theese areas are also needed for egglaying and incubating eggs during the breedingseason.
Terrarium:
Indoor:
A pair should be kept in a terrarium measuring minimum 50 cms X 30 cms X 30 cms with sand as substrate, a part of it kept moisted and a part dry at a depth of 10 - 15 cms. Moisted sand of this depth ensures the females to excavate burrows in witch they lay their eggs, also to increase the relative humidity in the enclosure. Note that the males are territorial, so only one male / enclosure.
Pieces of bark, pieces of claypots, low branches and leafs are also added to provide cover and climbing-possibility.
Provide a waterbowl, but also spray water every morning or evening to ensure that the animals are drinking.
A spotlight over a piece of bark makes a good baskingspot, the species need UV-B lighting. Temperatures ranging from 25 C to 27 C daytime, and reaching 35 C on the baskingspot. Night temperature drop to 14 C to 18 C. Daytime photoperiod remains at a constant 12-14 hours / day in the summer.
Outdoor:
An enclosure measuring 3 X 4 meters can hold 2 males and 2 females of this species.
Enclosure should be well planted with a variety of vegetation to mimic natural habitats. Logs / heavy roots and flat stones / rocks or slabs for basking spots and for cover needs to be provided. Flowering plants are good to use to attract insects for variated natural food. Feed with some crickets every now and then to ensure that the animals are getting as much food as needed. Use a watering can to give the enclosure and the animals a gentle shower of drinking water once every day.
Reproduction:
This species require a hibernatingperiod, in order to trigger matingbehaviour in the springtime. This is done by putting the animals in a aerated box with deep moisted Sphagnum-moss layer/bedding. The box is put in the refridgerator at a temperature of approximatley 4 C for about 4 - 5 months, November to April.
Mating take place between March and May and the eggs are laid from late May to July.
Northern populations lay a single clutch of eggs, and more southern populations up to 2 clutches a year. 4 to 18 eggs /clutch, witch take about 12 weeks to hatch.
Food:
The lizards will accept allmost all kind of insects, earth worms and occasionally sweet fruit and flowers. All food that is not from the outdoor enclosure should be dusted with vitamines and calsiumsupplements.
Miqe Erikzn 2007
http://www.terrariummorbidum.se
When you receive the Seal you will begin to care both about your health and about the environment. A new technology promises that a lot of animal testing can be eliminated and at the same time make it much cheaper for new drugs to come to market.
The new technology involves biochips, the MetaChip and the DataChip. These biochips act just like the body act when it takes a drug. They will be able to show whether there are any toxic side-effects of taking the drug. As high as 70 percent of new drugs being developed have to be scrapped because they are toxic to the body. But this is not discovered until after each drug cost hundreds of millions of dollars in research money.
These biochips promise to eliminate all that wasted cost in drug development. And they promise to eliminate much of the unethical experimenting currently done on animals. The European Union has banned all such testing on animals and that is set to begin in 2009. At that time there will be quite a market opened up for the biochips.
The biochips are glass slides dotted with tiny droplets of enzymes from the human body. The MetaChip has liver enzymes. It can show whether a drug is toxic to the liver. The DataChip contains enzymes from the bladder or kidney as well as the liver. Those can also be tested for toxicity. And if there is any toxicity it will be found much earlier in the drug trial process, saving huge amounts of money.
Animal testing is not just unethical. Its accuracy is also dubious. There is always a question of whether humans will have the same reaction animals have. It can give a general idea, but nothing specific enough.
The biochips show how humans will react. And yet what is being developed now is still not specific enough of testing. The researchers have big dreams for biochips, including "personalized" testing. In the future, every sick person can have his or her own biochips made from enzymes from his or her body. That way drugs can be tested for their reaction with that individual person, not for all people in general.
This heralds and important development in medicine--the "personalization" of medical treatment. In the future drugs can be chosen and even developed for individuals or smaller, more specific groups of people. Drugs currently are developed for everyone and anyone. And that is not good. People vary widely in their genetics and predispositions to disease. Their chemical make-ups are different. So why not treat them differently, since they are different?
That is what this new technology promises, although we are not there yet. This is only the beginning. Another dream researchers have is the dream of including more organs in the biochips. In the future all the organs can be tested, including the heart, the brain, and the skin. This will give a more holistic picture of the reaction of the body of a person to a particular drug.
When you are sealed you will begin to notice your health and the environment too. God will show you how to both extend your life and take care so you do not destroy the earth when you receive the Seal.
And now Jason invites you to get your FREE report Are You Making These Mistakes as a Christian?
And Get God's Seal of Approval and Get the Victory Over Evil
E2macpetsFor those of you who are cable subscribers, you might be familiar with a show entitled Animal Planet. It features all things fin, foul, mammal, and reptile. One of the featured programs on the network is Animal Precinct. This is the mammalian version of the program Cops. Cameramen ride with law enforcement officials who are responsible for enforcing animal cruelty laws.
And, like cops, they have the power to arrest and detain people who do not meet the requirements for the proper care and feeding of the animals in their charge. Punishment can range anywhere from fines to a number of years behind bars. Some examples of mans inhumanity to animals featured the officers breaking up a Pitbull fighting ring.
A man in New York who let his Rot Weiller starve to death. Further acts of repulsive human behavior involved an individual who beat a German Shepard to death with a tree stump. The program, at times, is hard to watch. I find myself welling up with emotion every time they find another starving and abused animal.
I dont think that I could compose myself in the calm and professional manner that the officers display when they confront an offender. I do not suffer fools lightly when it comes to the abuse of animals. The only pleasure I can derive from the program can be summed up with one word - hope! Most of the creature features responded to medical attention, or, were adopted out to people who could give them the love and care that they deserve.
Take the case of a Cocker Spaniel, given the name Maggie by one of the officers. Maggie was found tied to a pole in a borough of New York City in the middle of winter. Upon closer inspection it was discovered that her left eye had swollen to the size of a golf ball.
When they got her to the veterinarian, they found that the eye could not be saved and had to be removed. Adding insult to injury, she also had cancerous tumors in her stomach. You would think that with only one eye, and having major surgery, that Maggie would not be an ideal candidate for adoption. But, this is a story with a much happier ending then you think. A woman from Manhattan adopted the dog, not only for her, but as a companion for another dog that she also owned.
She mentioned that Maggie, renamed Honey, was very friendly and affectionate despite her ordeal.It made me think of a Rudyard Kipling quote..
"There is no faith which has never yet been broken, except that of a truly faithful dog." Rudyard Kipling..
Honeys plight also served as an epiphany of sorts. Even though this dog had been through the worst, she still looked for approval and affection from their human counterparts. I also realized how these innocent creatures should remind us of a simple biblical lesson. Forgive those who have trespassed against us.
As human beings, we should have an infinite capacity to grant absolution. I realize that some of us have experienced trauma in our lives that has rendered our ability to forgive permanently broken. However, most of us will never experience such trauma, or endure the type of physical cruelty that some animals go through on a daily basis.
Yet, a simple misunderstanding among friends or family, can render us incommunicado with them for months, and sometimes, even years. Our pride can prevent us from bestowing a simple apology. Our jealously can make us sick with envoy over someone elses good fortune. Our human frailties are endless.
I think of my own dog, and how unpretentious she is in her day to day life. She holds no grudge,does not care how much money I have, or the car I drive. She is always happy to go for walk, andis never embarrassed to be seen with me! If only we could be so free and forgiving. Our pride and prejudices go by the way side, we could improve our relationships with people, and forgive the imperfections of others.
We all could learn a lot from a truly faithful dog..
Robert C. Potter is a wholesale and retail surplus product specialist. He is the author of http://www.productsforresale.com The Ultimate Guide To Products for Resale! Over 600 Wholesale & Surplus Supply Sources For Ebay Auction Sellers, E-Commerce Websites, Flea Market Vendors, and Retail Store Owners! You can find his 230 page ebook at: http://www.productsforresale.com
North American Reptile Breeders Conference Trade Show 2007Memory is an integral part of human life. This can be defined as one's potential to store, retain and consistently retrieve information. For years, experts in the field of medical science have been studying and researching to find ways to enhance memory.
A lot has gone into the study of how human memory works. Experts feel that the more you learn about your memory, the better understanding you can develop in order to improve it.
There are several things we don't forget in our lives such as our crucial school days, summer holidays, some of the tales by granny, the scent of earth when it rains, first love and a lot more. These are the memories that make our life happier.
There are also certain bad memories associated to our lives and we tend to store them in our brain for a long long time. These memories are some of the experiences that allow you to be a different person.
In modern times, experts believe that memory is complex. The memory of anything in your life or day to day activities can be referred to as a 'complex constructive power'. Everyone possesses one. These are certain impressions coming from a pattern of cells that's similar to a web. These cells are scattered throughout the brain.
Experts believe that the memory is made up of a group of several systems. Each system plays a different role when it comes to creating, storing as well as recalling memories. As soon as the brain starts processing information, all the systems mentioned above start functioning together in a perfect manner in order to provide a combined thought.
What we actually visualize as a single memory is a complex engineering. Whenever you think of an object; for instance a toy, all your brain does is to retrieve the name of the object, its' function, shape and sound each time it plays or you take it in your hands. Every section of your memory describing at a toy is, derives from a totally different area of the brain. The whole image of toy is created by the brain from several regions of the brain.
Whenever you ride a bike or drive a car, a particular set of brain cells brings out the memory of operating the vehicle from starting till the end. When there are several things involved such as remembering how to ride a bike, the nervousness as a heavy vehicle passes by etc. comes from all parts of the brain. Experts have come to a conclusion that there is no solid distinction between the way you remember and the way you think.
Of course, the experts have come to a conclusion of how a system actually works. However, it is still not clear about how one remembers or what generally happens when one recalls.
The good news is that there are several things you can do to enhance your memory. There are several exercises, programs and techniques you can follow such as playing riddles, puzzles and several other activities that challenges your brain.
Human memory is a mystery but enhancing one is not!
For more Articles, News, Information, Advice, and Resources about BRAIN TRAINING please visit BRAIN TRAINING SECRETS
Appeared in 'Reptilia' Issue 34
Some people may wonder: of the thousands of snake species that exist in the world, why choose sand boas? Well, I sometimes wonder myself, but I do have a few good reasons. There are several species, subspecies, and varieties of sand boas, each with its own characteristics and personality. They are small, easy to care for, and relatively simple to breed. In fact, it is really too easy to build up a large collection.
Of the numerous species and subspecies that I keep, the European and central Asian sand boas are my special focus. These species occur across huge ranges, making considerable variety even within subspecies inevitable. Every individual sand boa is unique, and can be easily distinguished from others. The variety of patterns fascinates me, and whenever I see a remarkably different-looking sand boa, I attempt to purchase it.
Species
Eryx jaculus
This species is one of my personal favourites. There are three subspecies that occur in southern Europe and into northern Africa. Unfortunately it has not become a popular pet snake, primarily because of trade restrictions this species is listed in CITES Appendix II and Annex A of European legislation. Within the European Union, every Eryx jaculus specimen must have identification papers. This is too much hassle for many breeders, who therefore choose not to keep this species.
Eryx jaculus jaculus, the javelin sand boa, is the most commonly available subspecies. Many captives are of Egyptian and Jordanian bloodlines. This subspecies grows slightly larger and is more heavily built than the other two subspecies. It is also slightly more aggressive, but captive-bred specimens can be tamed and become easy to handle.
Eryx jaculus turcicus, the Turkish sand boa, is predominantly found in Turkey and into Syria. It is smaller than Eryx jaculus jaculus and rarely available in the pet trade. There are a few breeders working with this subspecies, so I hope it will become more common.
Eryx jaculus familiaris, the Bulgarian sand boa, is more slender than the other Eryx jaculus subspecies. It is also the most docile, and has an intricate pattern, making it perhaps the most pet-worthy of the three. Nonetheless, it is very rare in captivity and becoming increasingly scarce in the wild. I am currently working with a group of six specimens, which I hope to reproduce in 2005.
Eryx miliaris
This species is divided into two subspecies: the more commonly seen Eryx miliaris miliaris, the brown Russian sand boa; and Eryx miliaris nogaiorum, the black Russian sand boa. With selective breeding, I hope to produce several variations of these subspecies. My primary project is to produce a captive-bred line of the super black Russian sand boa, a naturally occurring form of Eryx miliaris nogaiorum that is almost completely jet black, with only a few white and grey speckles running down the sides.
Every few years, Russian sand boas of both subspecies are brought into Europe in relatively small numbers. Wild-caught adults do not make the best of pets, and many are rather bland in colour, making them unattractive. This is not likely to become a generally popular pet species, but it will always have its place in the hearts of many enthusiasts. I hope that captive-bred babies will be more desirable, encouraging hobbyists to keep this species.
Eryx tataricus
This species is divided into three subspecies: Eryx tataricus tataricus, which I call the Tartar sand boa; Eryx tataricus speciosus, which I call the spotted sand boa; and Eryx tataricus vittatus, which I do not currently have in my collection.
This is the second largest species of sand boa, with females often reaching lengths of 36 inches (91 cm). I have found this species remarkably easy to maintain. The snakes are generally quite docile and easy to feed. All of mine readily take thawed rodents.
This species is rarely seen in captivity, but because of its attractiveness and good disposition, I am confident that it will become more popular and readily available in the future. Eryx tataricus speciosus is especially attractive, and sought after by many enthusiasts. I have a long waiting list of people who want this subspecies, even at the relatively high prices dictated by short supply and high demand.
Acclimation
It is now illegal to capture wild Eryx jaculus (my group consists of captive-bred individuals from various European breeders), so this section on acclimation to captive conditions refers mainly to Eryx miliaris and Eryx tataricus. There are a number of procedures I follow when dealing with wild-caught snakes. Following is a step-by-step guide to acclimation.
1. The first and foremost thing to deal with is external parasites. Actually, sand boas rarely carry any form of mites or ticks, but a bath and parasite removal should be done as a precaution. There are several products on the market for removing parasites. I prefer one that is often also used for fleas on cats and dogs.
2. My next step is to try to get some food into the snake. The first couple of meals should be approximately two-thirds the girth of the snake if your snake is 3 centimetres in diameter, a rodent with a diameter of 2 centimetres is appropriate. It is important that the first meals stay down with no regurgitation. Once your snake is feeding regularly, you can increase the size of prey to slightly larger than the girth of the boa.
3. When the snakes feeding response is established, treatment for internal parasites should be carried out. I use fenbendazole at 50100 milligrams per kilo of snake body mass.
4. After treating for parasites, it is important to make sure the snakes feeding pattern is reestablished. In most cases, the snake will continue to feed without a problem, but sometimes a specimen will need some help. I use a water-soluble probiotic containing enzymes, vitamins, and minerals, which helps to stimulate a feeding response. This is added to the snakes water every day for about 10 days.
5. Finally, establish a weekly feeding routine. Make sure the snake stays healthy, and develops optimal condition in preparation for breeding.
Brummation
Brummation is torpor or inactivity associated with prolonged periods of low temperature, during which metabolism is reduced, but without true hibernation. This is a most crucial factor in getting these species to breed, and it is important to cool the snakes in a well-thought-out and proper manner.
Before temperatures are reduced, the snakes must be prepared for withstanding several months of low temperatures with no food. Starting in September, females should be fed every 57 days with two rodents of approximately the same girth as the snake. Males do not need as much energy reserve, and can be fed a single prey item every 710 days. At the end of October, feeding should be stopped altogether. During the following 2 weeks, the snake should be digesting its last meal and excreting most of the waste, before temperatures drop below the normal 8688F (3031C).
From mid November to the beginning of December, temperatures should be gradually reduced to 4650F (810C). It is not critical that the temperature decrease by the same amount every day. Begin by simply turning the heat source down and then off. After that, moving the snake onto the floor or into a cooler room may reduce the temperature another few degrees. By the end of November, a permanent place must be prepared where the temperature will stay constant at 4650F (810C). Eryx jaculus will breed after being cooled down to only 5256F (1113C), but Eryx miliaris and Eryx tataricus need the lower temperatures.
I live in southeastern England, where winter temperatures are normally consistently lower than needed for brummation. For me it is easiest to put the snakes in a place with outside temperatures, and use a low heat source to maintain the right temperature. I use a large, display freezer with heat mats controlled by a pulse-proportional thermostat. The sensor is placed in the middle. Since heat rises, the top half of the unit stays warmer than the bottom half, which is useful for wintering several species with different temperature requirements. I place my Eryx jaculus in the top half, and Eryx miliaris and Eryx tataricus in the bottom half. If you live in a warmer climate, a controlled refrigeration system may be necessary. Wine chillers are relatively inexpensive, and work well, but it is important to get one with a built-in thermostat so temperature can be accurately controlled.
At the low temperatures the snakes will be inactive, and should be kept in this state for 3 months. During the first 2 weeks of March, temperatures can be gradually increased back to normal, bringing the snakes out of brummation. Feeding should resume as soon as this 2-week period is over. I feed my females every 45 days for the next month. The first two meals should be small only about half the size of the snakes girth to reduce the chances of regurgitation or vomiting, and to facilitate the build-up of digestive enzymes, which are depleted during brummation.
Mating
Males and females are kept separate and housed individually except for mating. When placed together, as with many other species of boas, the ratio of males to females may be a determining factor in whether breeding is successful. I have three males, and put all of them in with one or sometimes two females. If I had more males, I would put as many as four per female (never more than two females) together in an enclosure.
Males are placed in the females enclosures starting at the end of March, a minimum of 23 days after the snakes have fed. If a snake is refusing food, it is a good idea to try to mate it anyway, as this often triggers a strong feeding response. In fact, males often refuse food after brummation, and do not start feeding again until after mating.
The males should be left with the females for 23 days, and then removed so the females can be fed and allowed to digest for 23 days. Females need to be fed at least once a week (more often is better) to build up energy reserves before they begin fasting during gestation. The males, on the other hand, can be moved directly from one enclosure of females to another, again for 23 days. After a second mating session, however, males should be returned to their own individual enclosures, fed, and allowed to digest for 23 days before being put with females again.
I usually observe copulation between 8 p.m. and 23 a.m. During this time it is important that the snakes be disturbed as little as possible. They are easily startled, and may move away from each other. Even if copulation is not seen, you will often see the male attempting to woo the female following her around the cage with his tongue flicking faster than usual, sensing the pheromones that she secretes. If such behaviour is observed, it is likely that this particular pair will eventually copulate.
These snakes copulate most readily just after shedding. A female that is about to shed may not respond to a male that has just shed and is especially rampant. Mating seems to be most successful when males and females shed at the same time. Males usually stop copulating after only about 3 weeks, so it is important and a little complicated if you have many snakes to coordinate mating and feeding sessions to take full advantage of the short breeding season.
Ovulation and gestation
Ovulation is the release of unfertilized ova from the ovaries into the oviducts. There they will be fertilized by sperm stored from previous copulation. Before ovulation, a female shows a large swelling at the middle of the body, appearing as though she had swallowed a meal twice the normal size. This swelling is usually present for about 1848 hours, and disappears as the ova move along and space out inside the uterus (lower part of the oviduct). Female Eurasian sand boas usually ovulate 13 weeks after mating. If ovulation occurs, it is quite possible that the female is then gravid (containing fertilized eggs); if ovulation does not occur within 3 weeks, one or two males should be placed with her again.
Fertilized eggs develop inside the female for a period of 35 months (usually 4 months). During this period, the gravid female must be able to reach an optimum body temperature of more than 95F (35C). She should be able to bask at temperatures of 98110F (3743C), but must also be able to escape these temperatures when necessary. The enclosure should be large enough to support a thermal gradient, with a cooler end at 7882F (2528C).
Birth
These boas are ovoviviparous. No shells are formed around the eggs, and embryos develop fully while still inside the mother. Babies are born in egg sacs, usually in late June or early July. In the last few days before birth, the swelling of the mother moves toward the tail. Eryx jaculus and Eryx miliaris tend to have 612 babies. Eryx tataricus have been recorded to have more than 30 babies, although this is uncommon usually they have 820 babies.
The babies, in their egg sacs, are deposited directly onto the floor of the enclosure. It is best to use a newspaper substrate at this time. The egg sac should not be cut or removed from the babies. They should be left alone and allowed to break free in their own time. They often sit in the egg sac for several hours, absorbing the remaining yolk. As soon as the babies begin crawling around the enclosure, they should be taken out and housed individually. The care of newborns is identical to that of the adults, although they should be kept on damp substrate until they shed their skins for the first time.
Sexing
Identifying the sexes of these sand boa species is generally easy by simple observation alone. Following are lists of characteristics for distinguishing the sexes in each of the species of Eurasian sand boas.
Eryx jaculus jaculus
Male Female
Cloacal probe depth (no. of scales) 912 24
Subcaudal scale count (average) 28 24
Tail percentage of total length 9.5% 6.8%
Adult total length 1218 in. 2030 in.
(2330 cm (5176 cm)
Eryx jaculus familiaris
Male* Female
Cloacal probe depth (no. of scales) 4+ 23
Subcaudal scale count (average) 23 21
Tail percentage of total length 9.5% 8.3%
Adult total length 18 in. 1824 in.
(46 cm) (4661 cm)
* Information for males taken from a single specimen
Eryx miliaris miliaris and Eryx miliaris nogaiorum
Male Female
Cloacal probe depth (no. of scales) 812 24
Subcaudal scale count (average) 26 21
Tail percentage of total length 11% 7.9%
Adult total length 1215 in. 2028 in.
(3038 cm) (5171 cm)
Eryx tataricus tataricus
Male Female
Cloacal probe depth (no. of scales) 1113 36
Subcaudal scale count (average) 31 24
Tail percentage of total length 12.6% 8.5%
Adult total length 24 in. 36 in.
(61 cm) (91 cm)
Eryx tataricus speciosus
Male Female
Cloacal probe depth (no. of scales) 1113 36
Subcaudal scale count (average) 30 22
Tail percentage of total length 12.6% 8.5%
Adult total length 24 in. 36 in.
(61 cm) (91 cm)
By Chris Jones
Director of Pet Club UK Ltd.
http://www.petclubuk.com