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Larger Buck Than Doe. PLEASE help?
Topic Started: Aug 31 2012, 10:41 PM (695 Views)
whoalookitsme
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Ok guys I need your help. I have a person on another forum who had a 5month old standard rex accidently breed her 4month old dwarf rabbit. I am not sure if this is a true dwarf, I am going to assume it is a mix but I can't be positive. I will post a picture of her.

2Questions:
1. The doe was either bred on the 2nd or 9th of August. She hasnt really been doing much nesting behavior but she did pull a couple of tufts of fur. The owner has noticed small drops of clear fluid on her couch after letting the bun run around on her couch. Here is her description "six dime sized spot of fluid on my couch ". Then two days later she had yellow liquid oozing from her vulva. Owner smelled the area but didnt notice anything bad. I told her I dont have house rabbits so unless I dont see it in the drop trays then Im not sure what our pregnant does leak but does anyone else have experience?

2. Will the babies really be too big for the mom to deliver. People keep telling her horror stories of the babies becoming too big for mom to birth because of the dads large size genes? I personally have never mixed breeds so I really dont know but only experienced what I had dealt with which was when there are more babies that the kit size is smaller than fewer babies. Will mixing a large buck with small doe really have any genetic effect on how big the babies will grow in utero? I told her about abnormally large kits but that would be usually if theres only one or two kits that one just grows to the space in the uterus and ends up becoming stuck but Ive experienced this with purebreds so I dont think its specific to mixing large and small rabbits. I always experienced that the babies will grow to fit the size of the mom and problems arised in the actual birthing process.

Heres mom
Posted Image
Raising Show Quality Tans, Polish, and Himalayans in Houston, Texas
Owen's bunnies
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NeuBunny
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yes, it can cause problems. In the dwarf breeds a small true dwarf doe can have trouble delivering larger false dwarf kits -- we had one JW doe who's largest kit was always stillborn (3 litters - each litter with one stretched, one peanut and 2 normal kits) and looked stretched. In one case the entire litter was lost, probably because the other kits died while she struggled to deliver the largest first (course she also had that litter on the wire and we didn't find them until morning).

That said, scaring people who made an honest error with horror stories isn't helpful. While I've lost kits and in the one case the whole litter, I haven't lost a doe to this. And I know plenty of alternative cases where everything worked out just fine.
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Himadri Hollands
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With my Holland Lops, I have used a larger false dwarf buck with smaller true dwarf does with no ill effects. Dwarf does can have larger 'normal' kits even breeding dwarf x dwarf, so a swarf birthing a 'normal' happens pretty regularly around here without any problems.

I have also had very large false dwarf does bred to small dwarf bucks have issues with large stuck kits-- so in my experience its not really the buck/doe/dwarf/nondwarf relation between parents that has been the source of any issues, its something with each individual pregnancy. It seems that most often, the doe's body regulated growth of the fetuses inside the doe so she can give birth safely, and those that will be much bigger grow much bigger once born. When something goes wrong with that regulation, it doesn't seem to matter if the doe is bigger or smaller or the same size as the buck she was bred to.

However when breeding dwarf x non-dwarf Hollands, the largest size difference between parents has been 1 to 2 pounds. If your friend's dwarf doe is a small true dwarf or 2-3 pounds, perhaps the 8-9 pound size of an adult Rex could cause more issues.

Even so, I would be more concerned about the younger age of the doe meaning her reproductive tract was not yet as mature, than I would about the size of the buck.
Laura Lyon
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whoalookitsme
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thank you so much for your replies and more are welcome! I am really curious about this. I havent heard an update from the owner but last I heard there was no nesting behavior still and all oozing discharge had stopped. I was concerned with the does age but when people started sharing horror stories I had to jump on that topic. The owner said this was a total accident as she had the buck neutered, and when they were put together two weeks after, the buck bred her. She didnt know she was supposed to wait longer which is understandable. Thank you again and more experiences are definitely welcome
Edited by whoalookitsme, Sep 3 2012, 11:15 AM.
Raising Show Quality Tans, Polish, and Himalayans in Houston, Texas
Owen's bunnies
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sidd-says-gimme
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I have had lots of small true dwarf Hollands kindle their false dwarf babies perfectly. I have a barely 3 pound HL doe who had 4 babies her first time - 2 FDs - perfectly. The only does I have had troubles with seem to have had problematic kindlers in their backgrounds. The outcome will depend on the doe. :) She doesn't really look like a dwarf to me.
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