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Rat breeding

Joejr14

Grand Bubble Burster
I've been thinking that I should probably get one pair of rats sometime soon to breed to plump up my 2003 females.

My question is this. I'm building a mouse rack to hold 12qts which is going to free up a pair of 10 gallon tanks. Is a 10 gallon big enough for a pair of rats, or am I going to have to get something bigger?

I've been looking at some websites and it seems like most of them suggest seperating the male from the female except for breeding periods and to introduce them for a while and then take the male out. I know a lot of you guys have rat racks---and I know you guys dont take your males out. So is there any concern about keeping the male and female together? Anymore so than mice?

Final question---if I decide to do this, how big of rats should I get? Small rats? Mediums? I know jumbos are normally retired breeders, so that'd be a bad idea.

My options for getting rats are limited to like Petco, Petsmart, or the reptile store that sells feeders. So what would be the best option?

Thanks!
 
We usually house of pregnant female rats in 10 gallon tanks. Doesn't matter what size rat you get they will grow into bigger rats. Rats are different then mice. You can reintroduce them several times with no problems. Once our females are obviously pregnant they are taken out and put by themselves. Then put back with the male once the babies are gone. As far as where to get them, we've gotten ours from all 3 places and have had no problems with them so far.

Hope that helps some.
 
I typed out a responce and accidently lost it!

DARN!

Okay~ so~ you should seperate the male and female if your breeder rats are also pets. This will give your female a much longer life span. Otherwise~ if they are just feeder breeders~ keep them together and the male will breed the female right away and increase productivity. You should only expect about a year out of a feeder breeder female. Don't name a feeder breeder~ hurts more if you have to put down an animal with a name. (We don't kill anything with a name here~ animals with names get full life spans even if they become poor breeders).

If your pulling pups at pink stage and cleaning twice a week you can keep 1.2 in your 10 gallon. If your letting them get as big as crawler~ or only want to clean once a week~ stick to 1.1 If your letting your pups get larger than crawler~ you may need more floor space than a 10 gallon will provide. If they are feeder breeders~ leave your male in. He will breed your female imediatly and increase your production speed. He will also help care for the pups.

Gestation is 3 weeks. You should start with juvie rats (meduim size) and expect that they will need a few weeks to get to know each other. Do not be disapointed if it is up to 3 months before your first litter. After your first litter~ as long as your female is up to it you should get a litter ever 3-4 weeks.

Does that answer all the questions?
Let me know if I missed any
 
What would be the point in separating them unless you didn't want any more babies? I see no problem leaving them together at all.

Rats by nature, are a highly social creature. And from everything I've read and experience before, when removed from the company of others and isolated, my males turned vicious from boredom and frustration. It didn't matter how many toys or puzzles were in their cage, just being alone all day and night made them act out. I don't think all would go that length if you interacted with them on a daily basis, but I didn't have time to play with them.

I don't think a 10-gal would be a very suitable home for them. Mine really like the freedom a 20-long provides. Enough room for running around and toys if you want to provide them.

Rats are also highly sensitive to their waste fumes, so I think a 10 gallon would just exacerbate the problems, especially where multiple rats are concerned.

As far as what size rats and where to get from, I'd get pretty young rats so they can acclimatize to one another better. My two instantly cuddled up with one another from the get-go.

And if your petstore sells "pet rats", I'd try that first to avoid the cost from Petco/Petsmart. Although some shady petstores pick out "pretty feeder rodents" and call them "pets" so be careful of that as well.

Just make sure to observe them before purchasing, get to know their habits..see if they're constantly wiping at their nose or sneezing a lot. Just take mental note of their health from what you can see from the outside. The last rat I got from Petsmart had myco (which I didn't know what it was at the time). Just sat there wheezing until he died 5 days later.

And from what I know now, just try to lessen their stress when you get them. Don't handle them too much, maybe give them echinacea candy or liquid in their water to bump up their immune system and just let them chill out for a couple of weeks.

Hope that was the advice you were looking for. It's late and I got coerced into replying. So you can't blame me. ;)
 
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some accurate information on keeping, caring and breeding feeder or pet rats

http://www.cornsnakes.com/forums/showthread.php?t=19413

I suggest following these guidelines as they will result in healthier rats and healthier babies and thus a healthier snake. feeding babies to snakes that are a result of constantly bred females results in illness and often diseases which you are literally feeding your snake. constantly bred female rats will most likely get cancer after the first few litters in their mammaries and in their reproductive organs. which when nursing passes through to the babies. and yes while most cancers (except leukemia and breast) are not considered hereditary, most cancers in rats are hereditary which is why you must proceed with caution. unless you consider feeding your rat a tumour as a healthy diet fine by you.

Female rats can be quite communal creatures and thus housing 20 female rats can be done quite easily.

Also another note on overly-bred females is that they shoot out less babies. so lets say you have 12 females and they have 14-20 babies each and you spread it out so they each have babies every 6 mos to a year...thats almost 40 babies a month versus the smaller and often disfigured babies with less quantity in the litter you would get from breeding directly after each litter.
 
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Willow771 said:
some accurate information on keeping, caring and breeding feeder or pet rats

http://www.cornsnakes.com/forums/showthread.php?t=19413

I suggest following these guidelines as they will result in healthier rats and healthier babies and thus a healthier snake. feeding babies to snakes that are a result of constantly bred females results in illness and often diseases which you are literally feeding your snake. constantly bred female rats almost always get cancer after the first few litters in their mammaries and in their reproductive organs. which when nursing passes through to the babies. and yes while most cancers (except leukemia and breast) are not considered hereditary, most cancers in rats are hereditary which is why you must proceed with caution. unless you consider feeding your rat a tumour as a healthy diet fine by you.

Female rats can be quite communal creatures and thus housing 20 female rats can be done quite easily.

Also another note on overly-bred females is that they shoot out less babies. so lets say you have 12 females and they have 14-20 babies each and you spread it out so they each have babies every 6 mos to a year...thats almost 40 babies a month versus the smaller and often disfigured babies with less quantity in the litter you would get from breeding directly after each litter.


I'm sorry but it is ridiculous to have 25 female rats and not let them breed more than once every 6 months.

I also dont believe that female rats will automatically develop cancer after having a few litters in a row.

I hate to sound harsh but with the "accurate info may be found here" it seems like you're saying info already posted here is incorrect.
 
no, im just saying after being a breeder for quite ahile you learn plus i have a huge base of breeder friends and we do alot of genetic reserching and study alot of scientific releases. it is common knowledge amoung the rat society that unspayed females or frequenly bred females a quite abit...and i mean quite abit more likely to deveop cancer
 
Name?

So, If i were to breed mice for a friend...or rats...Then I shouldn't name them, and get attached to them? Because I like to treat all my pets...like pets!
 
plus, i was only using the number "25" as an example if you wanted to make money off these feeder rats. you could own 12 females and scatter the breedings so that ever rat is bred every 6 months and still get 2 breeding females a month and as many as 40 babies a month. so then there is no need for animal cruelty in breeding females the minute they give birth again. Often the life of the rat that gets fed to the snake is ten times better than the life of the rat that breeds the babies. atleats their life is cut short painlessly while a breeder females life can be relativly long and miserable. Youve heard of puppy mills right? well these creatures are just as smart...so whats the diffrence. when i bred rats i would often rescue cartloads of rats from from backyard breeders who treated them no better than puppymills. atleast treat an animal with the courtesy you would allow your childhood pet.
 
Hectorthesnake said:
So, If i were to breed mice for a friend...or rats...Then I shouldn't name them, and get attached to them? Because I like to treat all my pets...like pets!
I myself would have a hard time breeding rats or mice for others use in feeding other creatures. although when i did breed my exotic rats, alot of the babies would get names and be treated like one of my children till they found a home with a loving family. Although this caused bonding and made it really hard at times to part with each curious little fur-face
 
Willow771 said:
so then there is no need for animal cruelty in breeding females the minute they give birth again.
Animal cruelty? Let's not forget where we are. This is the FEEDER section on a cornsnake forum!

Also, please feel to correct me if I'm wrong. It is 'programmed' into these animals to act and breed as they do, no? In the wild do females take six months off? I highly doubt it. So why then is it cruel to breed our FEEDERS back to back?
 
Wow.

That is true person that said that they don't take 6 months off.

But...I mean...You don't want to kill the poor thing...to much sex.
 
I think there are too many self-made experts out there these days, and here lately they've been crawling out of the woodwork it seems. I have waited 5 hours to hopefully let my irritation diminish before posting, but it really hasn't so here I am.

And in no way shape nor form is this a personal attack, just pointing out what I think are inconsistencies and inaccuracies.

In one post you said not to house females with babies together because they can cannibalize the babies. In my years of breeding rats, I have NEVER had females cannibalize each other's babies. And the only instance of cannibalization I've ever had was with stillborn babies. From my obersvations with rats and mice, a young first time female greatly benefits from the knowledge of the older females. Sometimes instinct doesn't take hold right away, and without the others acting as midwifes, a lot of the babies would have perished.

However why separate the pregnant ones with babies from other females? Yes, a dominant female will collect another female's babies and raise them as her own. Is there any problem with this? Not in my experience. If the dominant female hadn't taken them over, they likely would have starved, as of out of 7 litters this subordinate female had, she NEVER nursed a single one. They had a very smooth running system, and I wasn't about to disturb it. From my own testing with my rats in the past, a female rat without a support network to rely on, was a very stressed individual who showed more aggression amongst her young and towards me.

But in another post on this thread, "you can house 25 females together and alternate their breeding cycles". I think more troubles would arise with continually separating them out, and adding them in, jerking their babies away...now to me, that would cause stress and behavioral problems.

While I agree with the stand point of breeding them too much can shorten their lifespans...we're primarily breeding FEEDER rodents, not show or pet rats; although some people may get into that later. By the time a female's productivity starts to decline, her babies' quality is going to go down naturally. Humans follow the same guideline. The more aged you get, the worse quality of sex cells you have to deal with and the more chance for something to go awry in the embryonic development. And with feeder rodents, by that time starts, the female is no longer of use (she has done her legacy) and is euthanized and fed off, and a replacement takes her place.

I agree with Quigs, breeding after having given birth is what they do or else they would have had their post-partum estrus LATER. Rats do as they do, they're meant for such things or else those mechanisms wouldn't exist. Just like I think the post-partum depression in human females has a function. Probably just makes them so undesireable for men to be around, she can't get pregnant for quite a while after having a baby.

Rats in general are prone to cancer and tumors from everything I've read. Bite woulds can induce a fibroid tumor to appear, and simple viruses can cause tumors. Just the luck of the draw considering how inbred rats are anymore in the pet trade. But I don't think an overbred female has any significantly higher likelihood of developing ovarian/mammary cancer than a once or twice bred female. Yes, being bred increases the likelihood of it occuring than in a virgin female. But once again, by the time that tumors start occuring the female is advanced enough in age to warrant euthanizing her anyway.

when i bred rats i would often rescue cartloads of rats from from backyard breeders who treated them no better than puppymills. atleast treat an animal with the courtesy you would allow your childhood pet.

I treat my mice and rats as pets, thank you very much.

While they (the mice) may be in a rack-style system, I don't keep them in opaque kitty litter pans cramped for room. Their tubs are clear to let light through, and they have just as much floor space as a 20 gallon long aquarium. So compared to some people who breed their own feeders, I think mine live in luxury. I give them all sorts of things to stimulate their minds, and give them occasional treats. They're only in a rack-style system because I got sick to death of cleaning aquariums out, and trying to find enough space for them in my garage was a pain in the butt.

My rats on the other hand are in a 30 gallon aquarium with branches to climb on, hay to make beds with, toilet paper tubes and Kleenex boxes to chew up and sleep in, and once again, healthy daily treats. They also get to come out and climb around on me and play on the top of their cage while I'm doing things in the garage. So while she's 2 weeks away from her first litter, I don't think she's gonna suffer all that much at all.

So you tell me, does it sound puppy-millish to you, just cause I leave them with the male for back-to-back breeding? People who've been to my house can attest to how much I dote on my mice and rats (or my pets in general).

If I'm breeding for show/pet mice and rats, then I can have the luxury of giving them 6-months off from breeding. Although in the rat and mouse world, I believe that would be half of their natural lifespan. So 6-month increments would only mean you'd get one or two litters out of them. Sounds like kind of a waste to me. By the time the second litter came around, the female would be too old to be breeding anyway.

I see nothing wrong with back-to-back breeding so long as the females are well cared for and provided with the necessary nutrition. If you're feeding them sunflower seeds and expecting them to do well, yeah that doesn't work out too good.

I use high quality lab blocks specially formulated for breeding mice and rats. It has decent nutrients and vitamins and minerals (to which I can provide detailed info on contents and dietary values).

I really don't recommend anyone add liquid vitamins to their water. Its very easy to over-dose on common vitamins, and it really encourages bacterial growth inside their water bottles which can further cause illness. Talk to any veterinarian, and they'll say the same thing concerning rodents and birds (to which liquid vitamins are commonly sold for adding to water).

Anyway, I'm not knocking on your "experience", but seeing as you're only 20, I'd have to think that your experience would still be growing yet, not finished. But I really think there are better ways to get your points across without acting as "know-it-all #2" around here. There are plenty of people with as much experience as you are old, and I think even they would admit that they're still learning and don't claim to know everything. There are different strokes for different folks, so your way isn't the best for everyone. It may work for you, but the rest of us want to feed our snakes...not play patty-cake with our feeder rodents.
 
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