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Brown rat


The gestation period is only 21 days, and litters can number up to 14, .... There is great debate over the size of the population of rats in New York City, with ...

AFRMA - Breeding & Stuff - Large Litter of Rat Babies


What is the normal litter size for rats? Do they always have this many?! Is the mother rat going to be able to care for 16 babies? What will I need to do for her?

Rat Reproduction: Mating, Gestation, Birthing, and Growth


In rats, the average litter size is 6-13 pups. The first sign is a bloody discharge from the vagina. Next, the contractions will cause her to stretch out while her sides ...

Rat - Are You Attracting Rats and Mice to Your Yard - Department of ...


The house mouse, roof rat, and Norway rat can reproduce year-round when adequate food ... with and average litter size of 4 to 7 pups. Rats can reproduce up ...

20 Things You Didn't Know About... Rats | DiscoverMagazine.com


Dec 7, 2006 ... Jack Black the royal rat catcher, Jacko the world-champion rat killer, rats ... females can only have up to 4 litters in a life time, and the litter size ...

Pest Control : Brown Rat


The brown rat can be found native through out the UK and tends to be heavily ... The litter size does vary but an average litter size is 8 with approximately 6 litters  ...

Part 1 Biology - National Fancy Rat Society


Nov 26, 2012 ... Rats can have big litters of 14 or more and two rats can become 100 in ... to mount his own mother successfully due to the difference in size.

How many babies do rats have per litter? | Yahoo Answers


Jul 2, 2008 ... The man next door to me is building a house and the other day he went into the living room and on the floor was a baby rat. It was not that old ...

Fenbendazole treatment and litter size in rats.


J Am Assoc Lab Anim Sci. 2006 Nov;45(6):35-9. Fenbendazole treatment and litter size in rats. Johnston NA(1), Bieszczak JR, Verhulst S, Disney KE, ...

Influence of litter size on the postnatal growth of rat pups: is there a ...


Environ Res. 2009 Nov;109(8):1021-7. doi: 10.1016/j.envres.2009.07.015. Epub 2009 Sep 16. Influence of litter size on the postnatal growth of rat pups: is there ...

Popular Q&A
Q: What is the average size of a rat litter?
A: 10 mice 2 30 mice. Read More »
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Q: What is the average size of a rat litter?
A: The average rat litter size is between 8 and 12, though I've seen litters Read More »
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Q: What Is The Litter Size For A First Timer Rat Terrier?
A: My rat terrier had three pups who all made it her first time. Anonymous Read More »
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Q: What age can rats start reproducing? What is the average size of ...
A: Rats can become pregnant at 6 weeks old... Read More »
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Q: How to Litter Train Your Rat.
A: Rats are very intelligent animals and can be taught to do a varied amount of tricks; litter training being the most productive and advantageous for the pet's ow... Read More »
Source: www.ehow.com