Brookie Cookie Creatures

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Brookie Cookie Creatures smallscale mouse breeder located in Utah Valley. My goal is to humanely raise fancy mice! Adoptions are closed for now!

keep an eye on my page for updates and cute mouse photos in the meantime❤️

Hello everyone!I haven't had much time to update y'all here, apologies for that. I did recently make an update video ove...
09/09/2025

Hello everyone!

I haven't had much time to update y'all here, apologies for that. I did recently make an update video over on youtube that I will link here.

If you are curious about my mousery progress, current goals, availability and other news, give it a look! I will do my best to write out an update here soon for Facebook specifically.

In the meantime, here is the video! Thanks for following along
-BH

Didn't have time to take aesthetic photos this week, but here are the current litters growing up here at BCC! Sadly the ...
11/07/2025

Didn't have time to take aesthetic photos this week, but here are the current litters growing up here at BCC! Sadly the majority will not be available to the public, as I'm still working on building up my stock.

The litters here are all either teddy bear(texel/angora pet) or espresso(dark agouti/xblack show) line litters. The espresso line is just barely getting its footing, so I will 100% be keeping back all the little ones I can from those. One of the boys is xblack in the litter, which I am VERY excited for. It's been a while since I had a good xblack male that wasn't a texel

Some of the recent ladies from my c-dilute(c-h and c-e) show type mouse line! We're on the f3 and f4 generations with th...
25/06/2025

Some of the recent ladies from my c-dilute(c-h and c-e) show type mouse line! We're on the f3 and f4 generations with these guys, and I'm finally getting some consistency in my results. Not as much as i'd like, but we're getting there!

The goal for these guys is gonna be type, primarily. Still trying to decide what c-dilute combo/phenotype I want tho. Definitely standard coats, no splash, yes to both black and blue, but then... do I want siamese? Colorpoint beige? Reverse siamese? Blue beige fox?

I just don't know yet🤔. I'll probably just keep selecting health/temperament/basic show type stuff for the most part, and see what color combos naturally come of it, and pick which I like best.

Reverse siamese tho... it's calling to me. Only issue? The majority of my goals involve selecting for DARKER points and exptremeties, and Reverse siamese is... Well,
The Reverse.
The struggle is REAL.

Don't mind the repeat post for those that saw this in mouse groups--I did add a fun before and after comparison collage at the end of u wanna see something new tho!

11/06/2025

A look at my husbandry for mouse breeding!

11/06/2025

A look at (most) of the mice in my mousery at the moment!

19/05/2025

MOUSERY UPDATE!!

we have 8 litters so far, and 4 more ladies paired up!

I will be keeping adoptions closed for a while longer tho, with very rare exceptions until I feel more confident we're in the clear and have gotten back into the flow of things. Here's a little video for y'all that goes into more detail!

For anyone curious about genetics, I just made part 1 in a series of videos on fancy mouse genetics for ya!There aren't ...
05/05/2025

For anyone curious about genetics, I just made part 1 in a series of videos on fancy mouse genetics for ya!

There aren't many video resources for studying genetics out there, so I thought I'd make a messy little overview for anyone looking to learn.

Here's the link to part 1! I'll be posting part 2 for the color genetics section here soon!

https://youtu.be/gBG16IdalKs?si=yB_dh74le7h3wfaN

We've got BEANS!!! Litter #1 of this first generation after burnout. We'll know for sure if burnout worked as they age....
27/04/2025

We've got BEANS!!!

Litter #1 of this first generation after burnout. We'll know for sure if burnout worked as they age. Wish em luck!

27/03/2025

Hi everyone!

Thought I'd jump in with an update for you all!

It's been an odd mix of chaotic and calm here at the mousery-- there haven't been any new litters to care for or pairings to plan for a good while now, but that extra time has been taken up by all the extra cleaning and quarantine planning I've been doing instead.

I've also taken this as an opportunity to refine some of my goals. I'll talk more about my plans for my lines later, but for now I'll say that I'm combining a couple of them, and reducing my lines to 2-3 rather than 4-5, so I can make more progress with the quality of each.

I'm currently also in the process of deep-cleaning my main mousery space, and fixing up my rack system for when everyone is ready to come back.

some more info on my current setup/plan:

For burnout, I have split my colony into two groups;

group 1 has all the mice that were already old enough to start burnout when I found out there may be an issue.

Group 2 are all the mice that were pregnant/born right around when I found out, and weren't able to start burnout till they were older.

The two groups have been quarantined from each other for the last couple months, and group 1 is finally nearing the end of the main portion of burnout! I'll be pairing some of the mice together from group 1 here soon, to test if burnout has worked.

Group 2 is gonna hafta wait a while longer--they'll remain separated in quarantine for at least 6 more weeks.

So we're slooowwwly getting there! Burnout should be over by late may. Sadly, even if all goes well, the first available mice wont be here until late June at the earliest. But we'll get there! I'm just glad I've still got a solid group of happy, healthy mice to select from.

Thanks for following along!

Please enjoy this video of my retired hairless lady.

A little hello to you all from the gals in their quarantine cages! Things are still pretty crazy, but they're going as w...
06/03/2025

A little hello to you all from the gals in their quarantine cages! Things are still pretty crazy, but they're going as well as I could hope❤️

Behold! The first generation of show agouti outcrosses! One of the last litters that's growing up here, born before I ev...
10/02/2025

Behold! The first generation of show agouti outcrosses! One of the last litters that's growing up here, born before I even knew about the lurking issues.

These pups are from the mice responsible for my predicament. I have litters from 3 of the florida ladies right now, and even with symptoms showing up in all 3 moms after they gave birth, they've somehow mostly recovered and managed to raise a small group of pups each.

In spite of the situation that got them here, I aaaaam really kinda sorta liking how they're coming along. Satin agouti is one of my favorite varieties, cuz they look almost ✨️iReDeScenT✨️, especially in person, and the rich pigment from this line (as well as the elegant type they have) makes for some very striking mice indeed. The size, temperament, and health(of course) could all use some improvement, but they bring some unique, lovely traits that would be awesome to start a line with.

Let's just hope a few of em turn out to be breeding quality once they've grown-- if I can manage to get some really nice agoutis out of this to start a solid show agouti line, it miiiight soften the blow just a weee bit

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