Breeding Stock- An Arctic Fox MTF TF/TG

Story by pruvia on SoFurry

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Kyle is chosen for Preservagenics breeding program, and is promptly transformed into an Arctic fox vixen, ready to give birth to cubs and help save the species...


I groan, rubbing the sleep from my eyes as I tear open the first of a pile of plain white envelopes with my name emblazoned on each one. The usual stuff: bank statement, electricity bills, internet- I peel open the last one, and hesitate. The green header looks unfamiliar, in a way that makes my heart thump fast in my chest. Unfamiliar official looking post can't be good.

Pulling it out gingerly, like it might bite me, I notice a familiar green logo, a circle with a paw in the middle. A gasp thrusts its way out of me; I definitely wasn't expecting this! I had my name on the registry, but part of me always doubted it would ever been drawn up. Without hesitation, I yank my letter out of the envelope so viciously it tears.

'Greetings, Kyle, from all of us at Preservagenics. We have pulled your name from a randomised list of all persons on our conservation registry, and...'

I smile, eyes roving the page 20 times to prove what I'm reading. This is good, right? Now that it's happening, I feel a nervous tension in my stomach, butterflies fluttering about my guts. The next few months are going to be strange. My brain is screaming at me that something might just go wrong, that I should toss this letter in the trash and forget about it, as is my right. But my heart knows what it wants- this is my chance to make a real difference for endangered species, more so than my job in the café. I swallow my doubts and grab my laptop. Arrangements need to be made.

"Seatbelts on sir; we'll be landing shortly." The air hostess' words snap me awake; I'd nodded off on my trip over the Atlantic, unused to how fast the new planes could move these days. We'd been in the air for only three hours. God, it's going to be hard to adjust when I'm on the ground. I look out my window, gulp, and decide I don't want to think about the ground, or rather landing on there, for now. We've got quite far north and while the climate repair and restoration procedures are many years from restoring things to how they were in my parent's time, it's snowing (the first proper winter in Anchorage in decades, news sites are proudly proclaiming), and the water's looking rather frozen. I keep my eyes shut as the plane veers downwards.

Once a pretty quiet place, Anchorage and its airport is a bustling land of chaos; getting off the plane and collecting my baggage is like pushing my way through a maelstrom of people. The downtown area's skyscrapers in the distance seem to reach towards the wooly cover of clouds up above, and the roads below dense with traffic despite the snow that starts furiously falling once I reach the meeting place. The coat and warm shirts I packed feel inadequate already.

"Kyle Smith?" I walk over to the woman who holds a sign with my name and smile.

"Yep, that's me. Nice to meet you." We shake hands.

"I'm Rebecca; I'm your chauffeur to the Preservagenics facility here in Anchorage."

We engage in idle chatter as we walk through the full car park. The car is rather impressive, modern despite its intentionally retro appearance, the speakers and comfortable seats clearly of this decade. We cruise through the rush hour traffic, mostly without altering the autopilot, as she points out the sights.

When Preservagenic's facilities come into sight, it feels too soon. And holy fuck, it's massive. I was expecting some sort of warehouse sized thing; a vast snowy plain of land that stretches almost towards the horizon surrounds it. Somehow, the width of it makes it more intimidating than the skyscrapers. The white and green building takes over the sky as we zoom through the automatic verification gate.

The car park is a miserable slab of concrete warped by the earth beneath trying to push itself back through. "Alright, they know you're coming. Dr Troy Kelly and nurse Robert Johnson will greet you and bring you up to speed." She smiles again. "Best of luck!"

I nod and wave her goodbye before walking to the door. It feels like I'm imposing upon the building, even when I step into the vast white and green lobby. The first impression I get is of walking into a rainforest, because it's humid and hot as shit compared to the frozen land outside. They have carefully planted trees around the front desk and various chairs strewn about, creating a canopy of glossy leaves hiding most of the roof. I touch what looks like a painting of a leopard running through a forest that hangs beside the door. My hands brush through flowers.

"Mr Smith?" With a blush I withdraw my hand and trot towards the nurse and doctor who I've already forgotten the names of.

They look like they belong here, which makes me aware of how much I don't in the thick jacket covered in melted snow. Both don pale coats- the nurse's blue and the doctor's white and green. "Hey," I say, hoping to high fuck they'll repeat their names.

"Hello, Kyle Smith," the doctor says as he shakes his hand; I get the impression he's repeating it to remember it. "I'm Doctor Kelly- you can call me Troy. Had quite the journey, haven't you?"

We exchange small talk. "This is Robert, your nurse." I shake hands with him, noting his curled pale hair and the twinkle in his blue eyes. They both look rather similar otherwise.

"Nice to meet you," Robert says in a gravelly voice.

We talk for a few more minutes about my journey and how Anchorage is before Troy claps his hands and declares we might as well get on with it. He takes the lead as we reach a lift that he bashes some letters and numbers into and we lurch upwards for almost twenty seconds. The floor we land on is very different, more like a hotel hall than anything. Troy leads us into a room that is clearly a medical area designed to resemble a comfortable waiting room. However, that isn't what catches my eye.

I wander to the window that takes up the far wall. A sweeping landscape entirely inside the building takes a massive square of space, looking exactly like the wilderness outside, albeit how it would look with rather less snow. A shiver goes up my spine. I know from my research and the phone conversations and contracts before coming here that this is where I'll be staying for the next few months.

"How are you feeling?" Robert asks. "Troy'll be going through some final few things before we start- you can still pull out at any time."

I smile. "Pretty good. A bit excited, I think." The looks on their faces aren't exactly as happy as I would've expected.

Troy sits down and clears his throat. "You put yourself down for anything, yes?" I nod. "That's good. My understanding is that we called you here because one of our polar bears was in season, but unfortunately we've judged she doesn't have enough weight to breed this season."

I'm a bit taken aback, as much as it makes sense; that enclosure down below has little water for a polar bear, and probably wouldn't be as big as it could be. "So you have a choice; there's an opening for a vixen in the Arctic fox program and an opening in the caiman program for any sex. Would you be amiable to either of these options?"

Honestly, the idea of being a reptile freaks me out, even if replenishing their numbers is just as important as replenishing mammals. The process is more complex too, and not in pleasant ways. You still need anaesthetic and there's pain both ways. Fox sounds like a better option.

But... When I came here I was expecting to be paired with a female animal, and a bear at that- the process for them is well documented and while they're certainly a bigger change than primates their ability for limited bipedal motion and their plantigrade stance is supposed to be less disconcerting than becoming a digitrade. Female is also a big change and one I also hadn't been expecting. It'll mean I'll be staying for longer than I would as a male bear stud. Is it crazy that I still want to do this? My chance of being picked again is so low, and I want to do my part. "Sure, they sound fine! I'd prefer joining the Arctic Fox program."

Troy is pleased. "That's good to hear; we certainly need some fresh genes in there, they're getting dangerously close to inbreeding depression. Your enrollment will be a big help; Robert can fetch the reshuffling injection now."

This is happening, it's really happening. For the next six months I'll be one of the foxes, to create a new generation of them with a wide gene pool that'll help them recover from the impact of climate change on their habitat. A somewhat nervous grin reaches my face.

Robert returns quickly with a box, giving me some more paperwork to fill out. Once I've signed it there's a survey with a choice between changing in the exhibit or the clinic. I choose the exhibit; I feel I'll have more privacy that way.

"You're in perfect health!" Troy smiles as he puts away his stethoscope. "And you definitely still want to go through with this?"

"Definitely!" I say. Robert prepares the injection, a massive syringe of pale fluid, while I change into more appropriate clothes; a thin, loose tracksuit and equally thin, loose t-shirt- it's important that I can slip out of my clothes quickly, Troy explains to distract me as the needle makes its way into my shoulder.

Jesus. I bite my lip- the pain of the injection goes on forever and it burns until it's like half my body is on fire. Once the needle is withdrawn, the pain and burning instantly fades. I feel so normal doubts creep into me as they bring me to the exhibit; am I going to change at all? I feel no itching as I say goodbye and sit by the door, or aching, or any sense that I'm morphing in any way. It's cold even with the heating on to adjust for me until I'm done changing.

I walk. There's a skylight that will make it bright on sunny days (well, if the Alaskan winter gives any of those), and nothing seems fake. It's all real plants underneath my bare feet, cold soil sealed by simulated permafrost.

I walk the entire perimeter without seeing a single fox, then sit down and try to tell if I'm changing in a mirror I find. I'm not as cold right now, at least...

My tongue slices on my teeth. With a gasp I bare my teeth; I have fangs! The canines on both jaws have plumped up and grown dagger like, my incisors shrinking but also growing sharp. I touch them gently, feeling a molar grow ridges and twist around in my gums. It's painless even though it's extremely odd. I hadn't thought about how constant my teeth are in my life until now; the sensation of them changing is like a loss, as exciting as it is.

There're lumps on my fingers. The skin of my cuticles swallows up my nails; when I poke the area covered by skin, it's like they've dissolved. The skin sags weirdly as the tip of my fingers bends around until it comes out through an opening as delicate black claws. They grow longer while my fingers shorten; are they even retractable? I wriggle my fingers around and something moves around, which makes them disappear into my fingers. My teeth clamp on my tongue in surprise. Fuck, I'm going to have a time getting used to that.

Speaking of my teeth, my mouth is feeling really cramped. I grimace at the mirror and my horror movie looking mouth; there's too much tooth and not enough space in there.

I grow jowly wrinkles at the corners of my mouth, loose lips turning into thick folds of black. As much as I try to lick it off, drool gathers on them. I'm panting already, heat building in my chest and belly. To my shock, my cock hardens up and pokes at the thin fabric covering it. I flush and don't let go of my tracksuit despite it growing looser and my hands struggling to keep hold as my thumb shrinks bit by bit. My belly is already enough of a display.

Muscles shuffle around in subtle ways under the skin, and there's a delicate haze of pale fur growing around my belly button. That barely catches my attention though, not when I have nipples growing in pairs, studding my chest even as I touch my chest with one hand and realise my tiny top set have vanished and left it smooth.

They're already bigger. Puffy pink against my light brown skin, they prove too sensitive to touch; I turn scarlet and gasp for breath as my cock stands at full mast from just tweaking one, my tracksuits falling away. I don't try picking them up; it's a lost cause by now, and besides, I can see my feet lengthen...

My smile stretches, lips turning thin except for the ragged ends in the far corners. Thank fuck, I can actually breath now; my tongue lolls out in a dopey grin, teeth flashing in the mirror. That's as much as I can manage before I have to sit down. My feet are changing in earnest, and when I stand up again, it will not be on all twos. That thought makes my breath hitch.

The middle of my hands and feet lengthen in tandem as I sit there and gawk at myself. In the mirror I look ludicrous; my face is puffing into silky white fur that makes half of it look fully transformed, especially when I feel my ears tingle and move upwards, sharpening into fuzzy points. Meanwhile, my torso is barely changed except for nipples, my legs gangly and disproportionate with my cock valiantly hanging in the air. It doesn't know what fate it's about to meet in the next few minutes.

I won't have a dick for months. Touching it is rather awkward, with hands that are getting puffy pads that make them stiff- not to mention the jerking around as they twist about into a quadruped shape, shoulders twisting around and threatening to bring my claws out. I end up grinding my wrists on the side without dew claws into it, and it's just about enough.

A vulpine shriek bursts through the air alongside a burst in my dick, my crotch becoming a burning wave of orgasmic pleasure, even my balls and prostrate tensing up in the waves. Slobber beads down my fluffy snout, eyes now orange and devoid of scleras. My tongue laps at the cold black patches of skin growing on my nose, a happy groan rumbling in my throat. The fur feels nice.

I shake my head, heavy with fluff, and my t-shirt falls off my shoulders. I yip, an alien in my dick running through me when I sweep it off my nipples, kicking it into pieces with claws on my hind legs. Now I'm naked except for my fur. And my cock is rapidly shrinking.

All that remains of my balls already is an empty puff of loose skin and nothing inside of them; it's covered with fair and if I hadn't known what was once there I would not be able to notice their absence. There's a dent running at the base of my cock that runs along my crotch to just before my anus, and it's shrinking into it.

Growing a cunt. I idly touch my nipples and tufts of fur rush up my body like my shivers make my body want to cloak itself even faster. My ears swivel back; God, this feels much better than I think it should. A growing part of my brain is only processing what's going on in my crotch, disregarding the way my hands couldn't do anything requiring the slightest bit of dexterity now, or how my calves have shrunk and brought my heel close to the knee, giving the illusion of reversed legs. The horny part of my brain whispers: change faster already! I want to mate! I want be bred!

I wriggle around and look at myself again. Naked and covered in white fluff, I'm less than half the size I was when I walked in here. Strange how little I've noticed my shrinking frame. Everything else is just so much to bear.

To highlight that, my new sense of smell kicks in. It's a godsend because the colours have leached from my vision, but it makes a stab of horny run over my fully retracted cock and into my lower stomach that makes me gasp for breath and take in even more smell. They've put me in with a single male fox; in perfect health and fertile, ready to fuck. Ready to be mated.

I don't feel ready for this, my paws nervously feeling up the new hole opening behind where my penis has become a mere urethra, a clit raising up to replace the loss of sensation. I can't explore it more without maybe scratching it with my claws, and I don't have to. It's dripping wet and screaming to be filled, I can feel it burn with need. I shiver and totter around awkwardly on feet that aren't fully changed yet. Usually heat starts days after the transformation; sometimes it's a month, especially in cases like me where a male's been turned into a female. Mine is happening immediately and giving me no time to prepare for being a vixen.

My heat fuzzy brain isn't bothered by that, even if I stop and don't go running to the male like my swollen cunt is begging for me to do. I shrink a bit more, incredibly thick, soft fur turning me into a fluffy ball of a fox. I yip and glory in my thick pelt for a second, before I once again touch my nipples.

It's over. A lump in my spine resolves itself into a tail in a shocking burst of fur, jolting me upwards and wrecking my focus. Long, yearning keens ring through the enclosure. Foxes don't have words, but I know what I'm saying: I'm ready to be fucked.

But I'm not! Yet I don't move, torn between waiting and running, and tossing myself downwards to raise my tail and expose my swollen cunt which will be ripe red and waiting underneath it, being filled up with cum, getting gravid just how I should be... My resistance fades. I'm still not sure how much the human part of me wants this, but for now, the fox's mating instincts are in control and I'm just along for the ride.

He is swift, and had probably already noticed me before I cried out for him to mate with me. I see his sheath has released his shiny red cock and holy shit, it's much bigger than I had expected. Some level of sanity comes over me even with his musky male scent clotting my nostrils, and I hesitate, cringing away.

He wheels around and sniffs me, perhaps to confirm I'm really in heat. I stay still as he nudges at my tail. That is, I manage to stay still until his warm, long tongue laps at my cunt.

I've tried rimming before and it was alright I guess, nothing to write home about. I've always preferred giving oral to receiving it. This though? Lapping my new vagina is like he's stoking a fire and soothing it at the same time; juices ooze in response and I feel a soft orgasm run through me from ass to the scalding ache in my nipples. He's making the heat worse. He's making it better. I care little any more; I bow and expose my pussy fully, yipping an invitation to him with little fear of his cock.

The male fox mounts me, fuzzy balls bouncing against my haunches. I stiffen and shriek when his dick fills up my empty cunt. I was hollow before it. Now I'm full. I buck and arch at his relatively slow pace that still makes me feel ready to explode; it isn't long before I do, legs getting limp and my entire lower half clenching with a pleasured snarl on my snout. I have stars in my eyes and I pant like my tongue will fall off with a heart thudding fit to burst. That was the best sex I've had in my life! And then he quickens his pace.

My brain is blank of anything except for a pure, burning sense of perfection, joy at being ground into the floor and being unable to move, and scalding orgasm after orgasm burns up every last bit of my body. I swear even my ears have an afterglow.

His dick swells up; I'm confused and think it's my pussy getting swollen until I remember canine cock has a knot. I tremble in excitement as he becomes entirely tied into me, his dick going deep into my vagina, as far as my cervix, which he thankfully doesn't bash into. I feel something trickle out and he growls and gasps; he's cumming.

And he keeps going. I feel it at first as a heaviness in my uterus and stomach. Then things hang a bit, my nipples gently brushing against the ground. And then I begin to bulge and sag, absolutely bloated with his cum and growing massive. Our voices join as one shriek as we orgasm again, a massive surge of his cum making me bulge like I'm gravid with a dozen cubs. Minutes later, I feel him loosen and pull out of me, a river of cum flowing out of my pussy, which he gently cleans with his tongue. My midsection is still jiggling and bloated.

We run together to his den, where we cuddle and I'm soon drowsy, looking in wonder in my belly. Perhaps it's the hormones, but I feel a soul deep satisfaction at the sight of my fat belly with thick teats ready to give milk for my cubs. Being bred is good.

I drag my belly across the ground, cramps filling my entire stomach, yipping a warning to my mate; I want space in the whelping den, which is rather cosy; the earth presses in around me as I lay down and twist around into different positions.

The pain builds. I pant for breath and lick my belly to clean the milk dripping from it, my cubs frantically kicking. There's a lot of them. A doctor checked on me and conveyed through pantomime that I was having about ten (it might have been Troy, but my fox brain doesn't really recognise people through faces; it only knows scents, and naturally I hadn't been sniffing him as a human). A sudden ooze starts at my vagina.

It isn't arousal, it's my water breaking. Liquid floods a corner of the den that I crawl away from because I don't want my thick pelt ruined. A whimper goes through me, contractions building into a crescendo much worse than I felt before. It's now or never; I push.

Coordinating my pushes with the cramps makes it approach, not agonising, the first cub going through my cervix. My fangs dig into the sides of my cheek, the feeling of its big head pushing me open surprisingly alike my mate knotting into me when we fuck. I whine as a ripple of pleasured pain resembling an orgasm gives me the final strength to push the cub out from my stretched pussy into this world.

I don't have long before I have to lie down again and give birth to the next one, but it's enough time to gently nibble away its umbilical cord and shove it on a teat to suckle. I'm careful not to kick her as I push again, their second sibling coming out. It feels like I go through a cycle of pushing cubs out then onto teats for an eternity.

Once I'm finished, I'm trembling from exhaustion and the den is frankly filthy. But it doesn't matter; I stare at my cubs, each of my teats taken by their hungry little mouths. Their scents are fresh and the most beautiful thing I've ever smelled; my children are flawless.

My mate pushes his way in, and I lick him on the nose before giving him a nuzzle. We lie together, our family complete. As I drift off to sleep from exhaustion, I wonder if I could maybe stay for a bit longer.