Price List
Advertise On

Click Here For More Info


House Mouse (Mus musculus) Care Sheet


Refer to the General Small Rodent Care Sheet for more information on the basic keeping & breeding of House mice before reading this section!


| Introduction | Stages | Keeping & Breeding | Breeding | Books | Related Topics | References & Further Reading |
| Email This Page |

House Mouse Introduction:

The domestication of rats (Ratttus rattus) and mice (Mus musculus) began well over a century ago, interesting enough during a period when these rodents were seen as the major spreaders of various unpleasant diseases. So called "rat-catchers" were publically employed to get rid of these "pests", as they were called then. Rat-catchers began to keep and display different colour varieties in public houses.

| Top |

House Mouse Stages:

Pet mice are divided into four stages according to their age and size. These stages are the pinky stage (pinkies or pinks), fuzzy stage (fuzzies), hopper stage (hoppers or jumpers) and an adult stage. Pinkies, typically from day one to about day seven, are new-born mice that are still hairless. Fuzzies (day seven to about day twenty one) are in their fuzzy hair stage until they open their eyes. Hoppers (about three weeks) are weaned offspring. In every stage, males (bucks) are usually a bit larger than the females (does). Mice are significantly smaller than rats and weigh in at about 12 - 14 g / 0.4 - 1.1 oz. The average mouse is about 15 cm / 6 " long (incl. tail). Mouse babies are called pups.

| Top |

Keeping & Breeding House Mice:

The following must be taken in consideration before attempting to breed mice:

These animals and their cages can smell bad very easily. Males tend to stink more than females. The only way to overcome this stinking problem and prevent discomforts and diseases is to clean the cage once too three times a week (depending on the number of mice per cage and on the type and size of the cage) and by preventing overcrowding.

Domesticated mice make good pets, but they are short lived animals. The average age of mice is about three years. Only in extreme cases they will live a little longer. Mice, like most other pet rodents, need lots of attention.

Check List To Keep & Breed Pet Mice:

a cage, cages or a large type of container
food & water
a shallow container for food & water
keeping and/or breeding stock

| Top |

Breeding House Mice:

A mature or sexual active buck can be placed with up to six does (6:1 ratio). Two or more males per cage (especially small cages) can end up in brutal fights for domination which will ultimately end up in reduced fertility and successful matings. When using a male in a rotating system, he should be at least three weeks with a female for ovulation and mating to take place.

Mice can get between three and twenty one pups per pregnancy and can conceive (give birth) about every twenty nine days. The gestation period / pregnancy (from fertilization to birth) is 19 to 21 days. As with other rodents, mice usually get pregnant and conceive while still nursing.

Commercially mice can be weaned at three weeks but the success will depend on the genetic strain. The suckling stage is very important for the development of any mammalian species. Mother's milk is a very good source of balanced protein and calcium. The longer pups can be kept suckling the better. Hoppers can be sold directly after weaning. Generally speaking the young can be weaned a few days after they start to eat solid food.

Puberty (sexual maturity) starts at about six to twelve weeks of age. This stage is more dependant on weight than on age. Well fed mice will reach puberty faster than those on a lower plain of nutrition.

House Mouse Related Books:

Shop at
Buy Books from

| Top |

"If you think I should add more information to this section, think that something is incorrect or you have any additional information regarding keeping of mice, use the form below or go to our contact page to get in touch. I would love to hear your ideas or methods you might use that is different than ours."

Last updated 16 June 2007 by Renier Delport

| Top |

"Always remember only to buy healthy animals from reputable pet shops and breeders. Make sure to buy animals that are captive bred in your own country and that it is not illegally imported or caught from the wild.

If you've read something funny, or heard something that sounds out of place, use your common sense before applying. It is extremely important to do research from more than one source (before buying or accepting a new animal). Browse other internet pages, read related magazines and talk to experienced people."

| Top |

House Mouse Related Topics:

Rat Caresheet General Pet Rodent Care Sheet
Mice As Food
Other Care Sheets

| Top |

House Mouse References & Further Reading:

Fox, S. 2003 The Guide To Owning A Mouse, T.F.H. Publications, Inc.

Alderton, D. 2001 The Ultimate Encyclopedia of Small Pets & Petcare, Lorenz Books.

Miller, S. A. & Harley, J. B. 1999 Zoology, Fourth Edition, McGraw-Hill.

The Diagram Group, Pets: Every Owner's Encyclopedia, Paddingston Press LTD.

| Top |

| Introduction | Stages | Keeping & Breeding | Breeding | Books | Related Topics | References & Further Reading |
| Email This Page |





Email Address:                               

Contact Number: 


Required fields



Use this code to link to this page (copy & paste into HTML):


In Association With:

  Fauna Top Sites Exotic Pet Sites Top Herp Sites  
Best viewed 800x600 with IE & Java
RepVet Home
Privacy Policy

2002-2009 Renier Delport - Terms & Disclaimer
 visitors since Jan 2005