newly hatched bearded dragon baby

Bearded Dragon Breeding: Mating, Eggs and Hatching

Bearded dragon breeding can be fun and educational. Bearded dragon’s are one of the most prolific breeders of all lizards and need little help to produce dozens and dozens of young each year.

Bearded dragons are oviparous (produce young by eggs) and can deliver multiple clutches a year. Females have 2 germinal beds in each ovary and all four can be active at the same time. This means a new clutch can be started before the first one has been laid (Amey et al, 2000).

Not sure if your bearded dragon is male or female? See the post on sexing bearded dragons.

Bearded Dragon Breeding Stages

The reproductive stages the female goes through are:

  • Brumation*
  • Copulation
  • Gravid
  • Egg laying
  • Non reproductive

*While some exotic animals require brumation to reproduce, bearded dragons are not one of them. These prolific breeders can be reproduced with or without brumation.

The reproductive stages of the male goes through are:

  • Brumation
  • Spermatogenesis
  • Spermatic activity briefly interrupted

Sexual Maturity

What age do female bearded dragons breed and start laying eggs?

Bearded dragon breeding starts when they reach a physical size, not so much chronological age.

In the wild, bearded dragons will typically be expected to come of breeding age between 1 and 2 years of age.

With the conditions of captivity promoting growth in excess of what would normally be expected in a wild bearded dragon, a bearded dragon could well become sexually mature before a year of age if it reached the appropriate size (Melidone, 2008).

Once the female is sexually mature she is vitellogenic, can become gravid (with or without mating) and can lay eggs.

Female bearded dragons are vitellogenic and gravid (fertile and pregnant) from spring to early summer (Amey et al, 2000), this is when mating and egg laying occurs.

Wild female Pogona minor were noted by Pianka (date unknown) to reach sexual maturity at approximately 90 mm length snout to vent and that the females slightly outweigh the males.

Stauber and Booth (2003) recorded sexual maturity in female Pogona barbata being reached when the snout to vent length was between 110.5 mm and 119.5 mm. The male body is bigger than the females.

Pogona species – FemalesSexual Maturity
Pogona minor (small bearded dragon’s)90 mm
Pogona barbata (large bearded dragon’s)110.5-119.5 mm

Bearded dragons can lay eggs without a mate!

A female bearded dragon does not need a mate to start laying eggs, it will occur as a part of the normal reproductive cycle. However, if there hasn’t been a mate within the breeding season, the eggs will not be fertile.

Female bearded dragons can store sperm in oviductal crypts within a breeding season (Amey et al, 2000). This means a bearded dragon can lay clutches of fertile eggs without a second mating in the same season. To guarantee the parentage of a bearded dragon you should only mate to one male per season or you will not know which is the father of a particular hatchling.

What age can male bearded dragons breed and when are they fertile?

A male bearded dragon (Pogona barbata) is sexually mature and can start breeding when it reaches a snout to vent length of between 127.5 mm and 135.5 mm (Stauber and Booth, 2003). Maximum snout to vent length for Pogona barbata is 25 cm (Badham as cited Stauber and Booth, 2003).

A wild male Pogona minor (bearded dragon) is sexually mature at approximately 80 mm snout to vent length (Pianka, date unknown).

Pogona species – MalesSexual Maturity
Pogona minor (small bearded dragon’s)80 mm
Pogona barbata (large bearded dragon’s)127.5-135.5 mm

Male bearded dragons are fertile all year around except for a short time in late summer (Amey et al, 2000).

male bearded dragon hemipenis exerted
Male bearded dragon hemipenis exerted.

Bearded dragons mating

Bearded dragon mating can appear quite violent. Bearded dragons breed very easily.

The male will approach and circle the female. His beard will be darkened, and he will bob his head up and down. The female will respond by bobbing her head up and down and waving her arm in a circular motion.

The male will secure the female by holding on to her neck or shoulder skin with his mouth. The male everts his hemipenis and once their cloaca are aligned, he inserts either one or both of his hemipene into the female’s cloaca. Once the female is ready to be let go, she will raise her head to a vertical position.

bearded dragons mating
Bearded dragons mating. Male will hold the female by biting her neck or shoulder. Cloaca’s are aligned the male will insert either one or both of his hemipenes.

Sperm can be stored by the female within the breeding season. This means that breeding by another male during the breeding season means the parentage of the offspring will be unknown. It could have been the first male, or it could be the second.

Interestingly, research by Lane (2013) found that male bearded dragon’s check out their rivals (other males with their bearded darkened, a threat) with their right eye, at least on first pass.

How to look after a Pregnant (Gravid) Bearded Dragon

My Bearded Dragon is Pregnant, what do I do?

To care for your pregnant bearded dragon (usually referred to as gravid):

  • Review calcium supplementation and D3 and ensure heating and lighting are working well
  • Prepare a dig box
  • Decide whether you will be hatching all the eggs, hatching a select few or none at all

Now that your bearded dragon is pregnant, calcium reserves may be depleted quickly. The yolks take a large amount of calcium and it is also required for the shells. The yolk is responsible for creating the embryo which includes the bones.

Calcium supplementation, lighting and heating are even more important than before for the development of the embryos and the health of the pregnant bearded dragon. She will also need the reserves for oviposition and muscle contractions to lay the eggs. If this isn’t right, MBD (linked post by Donald Buchanan, DVM) is a threat.

Ensure you are providing as much natural sunlight as possible while she is gravid, so that she can make all the D3 she needs. This is a much more reliable way of getting vitamin D3 than supplementation. Calcium supplementation will need to be increased. More on that in the post Creating Healthy Bearded Dragons – Guide to Calcium and Vitamin D3.

Once you become aware your bearded dragon is pregnant, provide a lay box. She need environmental cues to lay eggs, without this she can become egg bound which can be disastrous.

When will my bearded dragon lay eggs? The time between mating and laying eggs for bearded dragons is around 4 to 6 weeks.

Within a week or two before she is ready to lay the eggs, the bearded dragon’s digging will becoming increasingly more intense. If she isn’t digging, she probably doesn’t have what she needs to dig in and will likely be moving up and down the enclosure as if trying to escape…that’s because she is trying to escape to lay her eggs somewhere she sees as suitable.

Providing a suitable container, in the right location with a suitable substrate to lay eggs, is critical. If she refuses to use the lay box, then it isn’t suitable for her.

The lay box can be sand or vermiculite. Vermiculite is a common substrate used in both research environments and breeding. The material should be free of fecal matter and other waste or pathogens that can result in fungus.

Provide a large lay box container with vermiculite slightly dampened to at least a depth of 30 cm (10-12 or so inches). Dampening (not wet) the vermiculite will help it stay in place a little better as she digs and the eggs shouldn’t stick to the vermiculite.

Thompson and Thompson (2003) recorded the wild Western Bearded Dragon (Pogona minor) creating test holes around 10 cm deep and then laid their eggs in burrows 20 cm deep. Pianka (date unknown) recorded similar with female bearded dragons laying eggs in open sandy areas at around 15-20 cm deep.

Put the container in a place that is accessible to your bearded dragon. Some will be fine in open spaces, but others may prefer some privacy and security cover. Placing the container lid half over the container should be sufficient privacy. Leave her to lay and bury the eggs. Once she has finished you can remove the container.

If you find she is not settling with the lay box, try moving it and/or adding other material such as moistened moss.

Should all the eggs be hatched?

Bearded dragons are so easy to breed and so prolific that they are unfortunately bred to excess.

For every bearded dragon that hatches you will need to feed it. Some will need to be housed separately as each will grow at different rates creating hazards for the smaller ones. Hatchlings will often bite off toes, tails and more of their siblings.

Rather than adding to the already large population, consider hatching just a few of the eggs.

Bearded Dragon Eggs from Brother – Inbreeding

If the fertile eggs are a result of two siblings, the eggs must be destroyed. All of the eggs may not hatch and for those that do, inbreeding can result in severe birth defects.

How to get Rid of Bearded Dragon Eggs

Can I freeze bearded dragon eggs? As the nervous system has not yet developed in freshly laid eggs, you can cull the number of eggs by freezing any excess.

For eggs that are less than 50% through gestation they can be destroyed by freezing for 4 hours at less than 4°C (39°F) (Animal Care & Use Standard, 2019). After this stage they will need to be euthanized humanely (Animal Care & Use Standard, 2019).

This is not a suitable method for euthanizing, do not do this with a formed reptile.

How long does it take for a bearded dragon to lay Eggs?

The female bearded dragon will lay eggs 2-3 weeks after being mated. She should lay her eggs within the day.

Once the eggs are laid, she may protect them on and off for a few hours. That is the sum total of her maternal care done.

How Many Eggs Do Bearded Dragons Lay?

Large bearded dragons can lay 90 odd eggs in a season.

The number of eggs per clutch ranges. The Pogona vitticeps in the wild is known to lay 7-35 eggs with the least being for those that live in the more arid areas such as the Big Desert (Robertson 2014) and will produce around 2-3 clutches in a year.

The Pogona minor produces less. Three clutches of eggs (from 3 different females) were observed for the wild free roaming Pogona minor with each having 8 to 10 eggs (Thompson and Thompson, 2003). Others have been found to have 3 to 12 eggs (Pianka, date unknown).

The wild Pogona barbata has been recorded laying up to 3 clutches of up to 35 eggs (Amey and Whittier, 2000)

bearded dragon laying eggs
Bearded dragon laying eggs.

How do I know when my bearded dragon is ready to lay her eggs (Oviposition)?

You know your bearded dragon is pregnant and getting ready to lay her eggs when she:

  • Spends more time basking.
  • Starts to put on weight rapidly. Perhaps 30% more within a few weeks.
  • Becomes increasingly swollen, lumpy and bumpy across the abdomen over the next 2-3 weeks before she lays her eggs.
  • Has smaller bowel movements or perhaps not move her bowels as much.
  • Probably slows down on, or stops eating. This may be within days to a week of laying.
  • Starts moving around as if she is looking for something. She is, she is looking for a place she considers suitable for laying eggs. She will do lots of test digging.

If she cannot get to a suitable place to lay eggs, she will likely pace and look like she wants to escape. Actually, she probably does want to escape, she needs the right place to lay her eggs. Being unable to lay them will become life threatening within a very short time, days.

Wanting to see the event is understandable, but she might not see it that way. If she is hissing at you during laying, back off a little. She just needs a little privacy. Once she has laid the eggs, she will fill in the hole packing it down with her nose every so often until the hole is filled.

Oviposition can take hours. She may not lay all her eggs at once. If the oviposition goes into days, she will start to become exhausted. It could indicate being egg bound which will require veterinary intervention. More on being egg bound (dystocia) by Donald Buchanan (DVM) at the end of this post.

The Northampton Reptile Centre captured one of their bearded dragons laying eggs.

Once she has finished, she has probably lost around 20-30% of her body weight. She will look quite skinny, this is normal. Provide her with water, food and additional calcium to start the recovery. Again, sunshine without anything in between her and the sun is ideal along with foods rich in calcium.

Three female bearded dragons (Pogona minor) observed by Thompson and Thompson (2003) in the wild lost between 31.2 to 36.5% of their body weight after oviposition. The two biggest started at 72.5 grams and weighed in at 46 and 47.4 grams after laying their eggs. The female Pogona minor observed by Painka (date unknown) lost around 19.5% of their body weight after oviposition.

How to care for bearded dragons eggs

To care for bearded dragons eggs:

  • Using a small container big enough to fit the eggs in (about an inch apart), add a mix of 4 parts vermiculite to 5 parts of water. The mix should be damp, not wet (dripping). It is better to add more water later than too much at any one time. Eggs need moisture from the air, not the substrate. The containers should have lids with ventilation holes.
  • Transfer the eggs to a small container half filled with vermiculite, half burying them. Place each egg from the lay box into the small container in the same orientation you find them. The eggs should not touch the lid or sides of the container.
  • Monitor the eggs until they hatch. If condensation forms on the lids, there is too much moisture. Remove the lid for a day to reduce the moisture content. If the eggs start collapsing then spray some more water on the substrate, not the eggs.

The maternal care bearded dragons provide is limited to protecting the eggs on the initial laying of them. The eggs should not remain with the bearded dragon in captivity, any young that hatch will likely end up as a meal.

Eggs need the right amount of heat, air and water to successfully hatch.

How long does it take for the eggs to hatch?

The temperature the eggs are kept at determines how long they will take to hatch. Incubation takes between 50 – 70 days at 29°C (84°F) or longer if the temperature is cooler. The eggs will hatch over a couple of days. From the moment of hatching, the bearded dragons are ready to face their world, no parental care is given.

Incubation for the Pogona vitticeps in the wild takes between 10-12 weeks and the young will hatch with a snout to vent length of 36-42 mm (Robertson 2014).

In the wild, 3 separate clutches of the free ranging Pogona minor were recorded taking 59 to 74 days to hatch at an incubation temperature of 27°C (80.6°F) (Thompson and Thompson, 2003).

Within a day or two prior to hatching, the eggs will start to deflate and small droplets of water may start to appear on the surface of the egg. The eggs may not show the signs of hatching at the same time as they will likely hatch at different times over a period of days.

Baby bearded dragons can have a fleshy pinkish mass on their belly exactly where you might expect a belly button to be. This is the egg sack, not an injury and will be reabsorbed within a few days.

newly hatched bearded dragon baby
Just hatched. Courtesy of Ad Ginge-Grazier.

The temperature you incubate at, impacts behaviour

Incubate bearded dragon eggs that you intend to keep. The incubation temperature impacts the behavior of the bearded dragons. In an experiment by Siviter (2015) eggs were split into two groups and incubated at temperatures 27 (±3°C) [80.6°F] (cold group) and 30 (±3°C) [86°F] (hot group). The cold group hatched in around 60 days whereas the cold group hatched by 91 days.

bearded dragon eggs hatching
Bearded dragon eggs hatching in vermiculite substrate.

Those incubated at the lower temperature grew faster than those in the hot group. The difference in growth rate and weight really started to show at 10 weeks of age and by the time they were 18 weeks old the colder group weighed in the mid 60 gram mark while the hot group were in the 30 gram mark.

Rapid growth may not be beneficial for long term health.

The group was tested for foraging behaviour, feeding on crickets. The hot group were not as good at foraging as the colder group.

It was also found that there was some short term differences in early developmental stages but they would grow out of the differences leaving no noticeable long term effect.

How to care for Hatchlings (baby bearded dragons)

Some hatchlings will grow faster than the others. The different sizes will need to be separated from each other to protect the smaller ones and give them a little less competition of resources to grow just as well. It is not abnormal for hatchlings kept together to bite off toes and what not of their mates.

The hatching size will vary for the species. The 3 clutches of free ranging wild Pogona minor (previously mentioned in this post) hatched at a mean snout to vent length of 36.1 mm and just 1.74 grams.

baby bearded dragon Pogona minor minor
Bearded dragon babies (Pogona minor minor)

Feed baby bearded dragons small invertebrate such as cockroaches and crickets. The hatchlings can be quite active chasing prey.

How long does it take for a baby bearded dragon to grow to full size? Baby bearded dragons will grow to full size within 2 years. In captivity they will usually grow quicker due to conditions.

Reproductive problems for male bearded dragons

Knotek (2017) describes the most common reproductive problem for male bearded dragons being:

  • hemipenile plugs (seminal plug), and
  • prolapsed hemipene.

A hemipenile plug may look to some as an object sticking out of the butt! Plugs sticking out of hemipenis and swollen vent are some of the signs you may see when seminal plugs are present. The tip of the seminal plug that may be visible is hard.

The seminal plugs are a mix of semen and skin cells which can accumulate from unsuccessful attempts to mate with an unreceptive female or premature ejaculation (Raiti, 1995).

The hemipenile plugs (seminal plugs) will cause irritation. It is very possible there is some bleeding inside the hemipenile walls as the soft tissue is irritated by the harder plugs. Like most reproductive issues, these are associated with the quality of care in captivity.

hemipenile plug
Hemipenile plug. The hardened tip is visible.

The hemipene are delicate tissue and attempting to remove the hemipenile plugs can result in prolapse or permanent damage. Bathing multiple times over a day may assist in loosening the hard edges of small seminal plugs if they are protruding externally, however it is unlikely to help them come out on their own.

If the hemipene cannot be retracted, call a vet and discuss means to keep the hemipenes moist while waiting treatment.

It is best to involve a vet when plugs are detected. The vet may be able to dislodge the seminal plugs by massaging the hemipenes with antibiotic cream, however surgical intervention may also be required.

If prolapse has occurred then the hemipenes will likely be placed back into the cloaca and stitches in place to prevent it coming back out while recovering (Raiti, 1995). If the hemipene has become necrotic then it will need to be amputated (Raiti, 1995).

Hemipenile plugs are also known as seminal plugs or sperm plugs.

Can bearded dragons get egg bound?

by Dr. Donald Buchanan (DVM), companion animal veterinarian practicing in Nova Scotia, Canada.

Bearded dragons can get egg bound (dystocia) when eggs formed from the follicles on the ovary fail to be passed normally. The egg may or may not enter the oviduct, and can still present problems either way.

Dystocia is a very common disorder in female bearded dragons, but it is another disorder not seen in wild bearded dragons (Melidone, et al., 2008). Around 9% of reptiles are believed to be afflicted by dystocia (Raiti, 1995).

Dystocia can occur to females even under one year of age (Campbell as cited in Melidone, et al., 2008), where they have become sexually mature early. Early maturity is common with bearded dragons in captivity as the care and diets tend to promote unusually rapid growth. Size is the determining factor for maturity rather than calendar age.

Causes of egg retention vary. Some cases are simple, but many involve several inciting factors as well as serious secondary conditions.

Dystocia (egg bound) can be non obstructive or obstructive. Nonobstructive reasons for being egg bound that are in our control include:

  • Poor nutrition.
  • Inadequate hydration.
  • Lack of a suitable place to lay eggs.
  • Inadequate UVA, UVB and/or temperature.
  • Poor condition.
  • Unsuitable housing.
  • Unsuitable or no lay box.
  • Stress.
  • Disease.

Obstructive dystocia is where something is ‘obstructing’ the passing of the eggs. These are often out of our control although husbandry could be a leading factor and include:

  • Eggs are too big.
  • Restriction or obstruction due to body conformation (pelvic canal size, prior scarring of oviducts, etc).
  • Genetic factors, and
  • Individual behaviour.

The follicles die off, and form a necrotic mass within the coelomic cavity. The combination of pressure placed on the internal organs, combined with the inflammation caused by the decaying mass make these animals feel very sick. This is a surgical condition, no medical treatment alone will cure these individuals.

Symptoms of Being Egg bound

The symptoms of being egg bound in bearded dragons can be vague, and there is not one pattern that every female follows. One, or several of the following signs may be observed:

  • The females often have a history of multiple episodes of egg laying during one season,
  • A history of a low number of eggs being passed may be an early sign that there is a problem,
  • A swollen abdomen is typical for a gravid female,
  • Nonresponsive,
  • Lethargy,
  • Prolapse of the cloaca or oviduct, and
  • Straining.

How can I help my Bearded Dragon Lay Her Eggs

If the symptoms of dystocia are apparent, you probably cannot safely help your bearded dragon lay her eggs. It is time to call your vet.

Although trying to massage the eggs out can be very tempting, the potential for rupturing eggs is very high. This may lead to several consequences: egg yolk peritonitis, and internal trauma from jagged shell fragments to name a few.

Excess handling should be avoided as this condition is incredibly painful. The signs shown by an egg bound female can be very similar to those with follicular stasis, the treatments for these conditions are potentially very different, so it is best to seek professional veterinary advice.

As with many conditions in bearded dragons, they have likely been unwell for several days before the outward signs of pain or discomfort are evident. Immediate medical treatment is advised to prevent their condition from spiraling downward.

In the meantime keep your bearded dragon warm and hydrated. A stable patient is a better candidate for surgery, and will tolerate medications better than an emaciated, dehydrated dragon.

My Bearded Dragon Can’t Lay Her Eggs, What Do I Do?

If your bearded dragon cannot lay her eggs, here is what to do:

  1. Call your vet and let them know you need help.
  2. If your vet cannot see you immediately, it is important to keep handling to a minimum. Provide a nesting box with sand or other substrate suitable for laying and keep her in it until your appointment.

    Do not massage the abdomen in an attempt to move the eggs. It is typically ineffective (Knotek et al, 2017) and very dangerous. Ruptured eggs will result in severe inflammation and perhaps death (Melidone, et al., 2008) This is a painful condition, and manipulating the abdomen can cause significant complications.
  3. Provide a warm bath. This can help stimulate contractions and keep your bearded dragon hydrated. If it works, some eggs may be delivered in the water.
  4. Temporarily add more humidity to the environment and provide a plate or low tray of water that the bearded dragon can walk through as she chooses. Ensure the heating and lighting is appropriate and add a lay box in close proximity of the heat and lighting
  5. If a prolapse has occurred, it is vital to keep this tissue moist.
  6. Once at the veterinarian’s office, they will begin with a thorough history including diet, and husbandry. A physical exam may reveal a painful swelling – eggs may or may not be readily palpable.

    Blood work may be useful, especially in assessing calcium levels. Low calcium, (either a result of heavy demands of body calcium stores to produce shells, or from inadequate husbandry practices) may result in profound weakness which can inhibit proper muscle contractions.

    X-rays may be useful to confirm the integrity of the eggs (i.e. whether or not shells are calcified, and if shells have been broken).

    In some cases, if eggs are intact, shells are mineralized, and the veterinarian feels that the patient is healthy enough to attempt to pass the eggs, medical treatment may be attempted. This often includes two medications: a dose of calcium, as well as a hormone called oxytocin. This will induce contractions to hopefully pass the eggs. Of course, this assumes that the oviducts are healthy, that the eggs are within the oviducts (as opposed to free floating in the abdomen), and there is no obstruction present.

    This medication has been shown to last about 72 hours. If eggs are passed, a follow-up appointment should be scheduled to repeat the x-ray to confirm all eggs are passed.

    Often, these are surgical cases, either necessitated by the failure of medical treatment, or by the inability to determine follicular stasis vs egg bound. During surgery, the impacted eggs are removed.

    The reproductive tract may by spared during these surgeries, but the inflammation may inhibit successful breeding in the future. If left “intact” these females may become egg-bound again in the future, especially if measures are not taken to correct predisposing factors.
  7. Because many of these cases are complicated by poor husbandry, please take the time to discuss proper diet, light, and housing with your veterinarian.

    Other medical conditions may be at play in these patients – a full health assessment should be performed to help rule out other conditions such as metabolic bone disease, kidney issues, and follicular stasis. If considering surgical intervention, speak with your vet about the risks associated with surgery – complications can be severe and are usually out of our control.

Follicular stasis is another issue that can occur in females. In this condition, the follicles developing on the ovary fail to mature into eggs. In some cases when this happens, the tissue is resorbed, but problems arise when the follicles fail to resorb.

The Reptile Doctor in Frankston, Victoria performs surgery on a bearded dragon to remove slugs, old eggs.

Desexing (Fixing) Bearded Dragons

Can you Spay a Bearded Dragon?

Written by Dr. Donald Buchanan (DVM), companion animal veterinarian practicing in Nova Scotia, Canada.

You can spay a bearded dragon. The procedure is relatively straight forward. An experienced surgeon will be able to comfortably approach the procedure.

Outside of surgery, there are currently no other options to prevent a female bearded dragon from producing eggs. No medication or environmental adjustment has been proven to prevent egg production. This means that surgery is the only way to be sure that she will stop producing eggs.

spay bearded dragon
Top left: Paramedian incision is visible here. Also notice the pulse monitoring equipment. Bottom Left: Delicate ovarian tissue is gently externalized. Top right: Ovarian tissue externalized. Bottom right: Ovarian tissue – notice how there is no outer covering to the cluster of follicles in this species. This presents a challenge, as the tissue is very delicate and risk of ovarian remnant syndrome is significant.

It is not expected when a bearded dragon is spayed that there will be any behavioural changes. The risks of reproductive hormone induced cancers that we consider in mammals are incredibly rare in reptiles. If considering surgery to remove retained eggs, it is advisable to consider ovariectomy at the same time to avoid multiple surgeries.

During the surgery, the ovarian tissue is removed with or without the oviducts. Pre-anesthetic bloodwork is recommended, especially in those who are sick at the time of surgery.

Under general anesthesia, a specialized endotracheal tube is placed to assist in breathing during surgery, as the anesthetic drug will prevent the bearded dragon from breathing on her own. The absence of a diaphragm in the bearded dragon further necessitates assisted breathing.

A paramedian skin incision is used to avoid the ventral abdominal vein. Ovarian tissue is often readily identified, isolated, and removed. This opportunity should be taken to fully explore the area for retained eggs.

Most patients will go home the same day as their surgery to help minimize stress. Expect a long road to recovery – skin sutures should remain in place for a minimum of 3 weeks, but often closer to 6-8 weeks.

Even routine surgery can have complications. Common complications which may be encountered include infection and bleeding.

The reproductive organs in bearded dragons are closely associated with major blood vessels. The ovaries in bearded dragons are not encapsulated, meaning that the follicles develop on the outside of the ovary (picture a cluster of grapes as opposed to a bag of grapes). This presents the risk of ovarian remnant syndrome (where a small piece of the ovary is inadvertently left behind, and continues to produce active follicular tissue).

bearded dragon ovaries
Ovarian tissue

Is it safe to spay a bearded dragon?

Spaying a bearded dragon is not always safe due to anesthetic complications which are common. A study of 7 bearded dragons undergoing routine ovariectomy resulted in 4 deaths immediately following the surgical procedure. The deaths occurred during anesthetic recovery – the surgeries were routine and uncomplicated. The surviving individuals in this study were found to have smaller, less active follicles, indicating that performing surgery while the ovaries are less active may be safer.

Can you Neuter a Bearded Dragon?

Neutering male dragons is possible. Unlike in cats and dogs, castrations in bearded dragons are quite similar to spay surgeries. Neutering bearded dragons is invasive and major surgery.

Can neutered bearded dragons live together?

Unfortunately, there is no evidence that castration has any effect on male aggression or territorial behaviour. However it will prevent fertile clutches of eggs. Neutering males will not allow multiple male bearded dragons to be housed together. Due to the great anesthetic risk, I do not recommend castration of bearded dragons.

For more information on bearded dragons living together see the post Bearded Dragons Living Together and Setting up for Success.

Are bearded dragons easy to breed?

Bearded dragons are extremely easy to breed and can deliver multiple fertile clutches from a single mating within a year.

References and Further Reading

  1. Amey, A. P., and Whittier, J. M. 2000. The annual reproductive cycle and sperm storage in the bearded dragon, Pogona barbata. Australian Journal of Zoology – AUST J ZOOL. 48.
  2. Amey, A. P., and Whittier, J. M. 2000. Seasonal Patterns of Plasma Steroid Hormones in Males and Females of the Bearded Dragon Lizard, Pogona barbata. General and Comparative Endocrinology 117: 335–342
  3. Christiansen, E. F., Stoskopf, M. K., and Harms, C. A. Pre- and Post-Surgical Evaluation of Bearded Dragons Undergoing Sterilization. Journal of Herpetological Medicine and Surgery 23(3), 83-90, (1 September 2013).
  4. Knotek, Z. (DVM, PhD, DECZM (Herpetology)), Cermakova, E. (DVM), and Oliveri, M. (DVM). 2017. Reproductive Medicine in Lizards. Veterinary Clinic Exotic Animals 20. 2017. Pages 411-438.
  5. Lane, E. 2013. Sexual Selection of Beard Color in the Inland Bearded Dragon (Pogona vitticeps)
  6. Lewis. W. Approaching lizard coeliotomy. Veterinary Times: 10, 18-22, 2010
  7. Melidone, R. (Dr. med. Vet.); Knoll, J. S. (VMD, PhD, DACVP); and Parry, N. (BSc, MSc, BVSc, DACVP). (Nov, 2008) Preovulatory stasis and dystocia in oviparous lizards. Clinical Exposures. Veterinary Medicine. Pages 595-598
  8. Rivera, S. DVM, MS, DABVP, and Flemming, G. To Breed or Not to Breed; Reproductive Tract Disease Of Reptiles. 2019.
  9. Robertson, P. and Coventry, A. J. (2014) Reptiles of Victoria: A Guide to Identification and Ecology. CSIRO Publishing
  10. Pianka, Eric, R. (2005) The ecology and natural history of the dwarf bearded dragon Pogona minor in the Great Victoria Desert Australia Draco, 6(N): 63-66 Nr 22.
  11. Raiti, P. (DVM) (1995) Reproductive Problems of Reptiles. Proceedings Association of Reptilian and Amphibian Veterinarians. p101-105
  12. Siviter, H. 2015. Does egg incubation temperature impact the long-term behaviour and cognition of bearded dragons (Pogona vitticeps)? Thesis, University of Lincoln.
  13. Stauber, A. G., and Booth, D. J. 2003. Allometry in the Bearded Dragon Pogona barbata (Sauria: Agamidae): Sex and Geographic Differences. Australian Zoologist. Vol: 32 (2): 238-245
  14. Thompson S. A., and Thompson G. G. 2003. The western bearded dragon, Pogona minor (Squamata: Agamidae): An early lizard coloniser of rehabilitated areas. Journal of the Royal Society of Western Australia, 86:1-6
  15. Induction of the oviposition in bearded dragon (Pogona vitticeps) with postovulatory egg retention (dystocia) – a case report 2019
  16. Humane killing of reptiles [Version 1]. Office for Research Ethics & Integrity. Animal Care & Use Standard. University of Melbourne. July 2016 reviewed July 2019
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