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Old 03-25-2019, 11:02 AM   #1
Peppermintmocha
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Default Hamster pregnancy questions

Hi everyone , I recently started breeding Syrian hamsters after extensive research on genetics , coloring, and care. But as much as I've looked online and in books and asked around I can't seem to find a solid answer to my questions.
My female is a LH sable umburos and the male is a LH banded black eyed cream both from different breeders , and the female I have been told does not carry the white belly gene, has anyone ever bred these two , what kind of colors did they get in their litter ? And secondly , my female mated about 6 days ago , she went into heat after 3 days so I assumed the mating didn't take so I tried again , but the next day more than 24 hours later she was in heat again , she let off the same odor but she didn't seem to "freeze". I've heard of females doing this while pregnant, has anyone experienced this? Could she be pregnant or could there be something wrong with my male or female ?
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Old 03-26-2019, 12:43 AM   #2
souffle
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Default Re: Hamster pregnancy questions

You need to clarify your genetics understanding.
Your female is a Sable. It's not a Sable umbrous as Sable is actually an Umbrous black eyed cream. So genetics will be eeUu or eeUU (either one or two umbrous genes - they look the same)
Your male is a banded BEC so ee with one banded gene (two gives a very wide band so assuming he has a normal sized band)
Neither of them can 'carry' the white belly gene because if they did they would be roans. Cream combined with white belly always roans so they would be sable roan and cream roan banded if they did so this is a safe mating in that respect.
Assuming they have no other genes carried (like cinnamon which is recessive) you will get the chance of Black eyed cream and Black eyed cream banded and Sable and Sable banded pups in the litter. If the female has two umbrous genes they will all be sable or sable banded.
The scent from the female during the cycle can be quite varied so don't judge whether she is pregnant on that basis. If she does not stand to mate there is a chance she is. I'd advise you not to keep trying her on a test mating every few days as this can stress them and cause them to resorb a pregnancy. Leave at least 8 days. Personally we just wait it out till pups are due at 16 days and if nothing then remate. Some will stand when pregnant so best give her time to establish the pregnancy. At 12 days she will start to show usually with hip bulges. You often need several matings before you get a pregnancy especially if it is early in the year and they are just starting to breed. Don't assume there is anything wrong just yet! You do need to watch out though for any signs of anything that is an issue as mated females can be more prone to developing womb infections. Please be absolutely sure you have a large vet fund available in case there is a problem with the pregnancy. A spay or stuck pup that needs an op can be very expensive. Breeding is not all lovely pups and is often heartbreak and loss. You also need housing for all the pups by 4 weeks of age and also for any you cannot home individually by 6 weeks really to be safe. Genders need separated by 4 weeks from mum. They eat a ton of food and extras and they need loads of time to tame and clean out.
Read over care of the female and check you pedigrees to see what you may get in the litter.

Last edited by souffle; 03-26-2019 at 02:28 AM.
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Old 03-27-2019, 03:27 PM   #3
Peppermintmocha
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Default Re: Hamster pregnancy questions

Quote:
Originally Posted by souffle View Post
You need to clarify your genetics understanding.
Your female is a Sable. It's not a Sable umbrous as Sable is actually an Umbrous black eyed cream. So genetics will be eeUu or eeUU (either one or two umbrous genes - they look the same)
Your male is a banded BEC so ee with one banded gene (two gives a very wide band so assuming he has a normal sized band)
Neither of them can 'carry' the white belly gene because if they did they would be roans. Cream combined with white belly always roans so they would be sable roan and cream roan banded if they did so this is a safe mating in that respect.
Assuming they have no other genes carried (like cinnamon which is recessive) you will get the chance of Black eyed cream and Black eyed cream banded and Sable and Sable banded pups in the litter. If the female has two umbrous genes they will all be sable or sable banded.
The scent from the female during the cycle can be quite varied so don't judge whether she is pregnant on that basis. If she does not stand to mate there is a chance she is. I'd advise you not to keep trying her on a test mating every few days as this can stress them and cause them to resorb a pregnancy. Leave at least 8 days. Personally we just wait it out till pups are due at 16 days and if nothing then remate. Some will stand when pregnant so best give her time to establish the pregnancy. At 12 days she will start to show usually with hip bulges. You often need several matings before you get a pregnancy especially if it is early in the year and they are just starting to breed. Don't assume there is anything wrong just yet! You do need to watch out though for any signs of anything that is an issue as mated females can be more prone to developing womb infections. Please be absolutely sure you have a large vet fund available in case there is a problem with the pregnancy. A spay or stuck pup that needs an op can be very expensive. Breeding is not all lovely pups and is often heartbreak and loss. You also need housing for all the pups by 4 weeks of age and also for any you cannot home individually by 6 weeks really to be safe. Genders need separated by 4 weeks from mum. They eat a ton of food and extras and they need loads of time to tame and clean out.
Read over care of the female and check you pedigrees to see what you may get in the litter.
thank you for clearing up the colouring, I have looked at many pages and must have gotten confused with the proper name for her colour. I do understand that she is a umbrous black eyed cream as for genetics I mean I understand what is safe to mate together, possible defects, what can be carried over etc. I am still learning.
She stood to mate after the first 3 days. It has been 7 days since her first mating so I will wait the full 16 and then some since she's mated twice, to make sure till I breed her again. I live very close to a small animal vet clinic I have been taking my pets to for years, I am also a VA and plan on specializing in exotics/small animals when I attend veterinary school in the near future, so I am very ready for the possibility of any complications and am all for taking them to the vet if need be.
thanks for the help !
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