Lillian - Leave them together for the first litter, most likely the sisters are young and will raise the babies without problems at first. If both have babies at the same time or within days of each other, they will have the hormonal inhibitions needed, not to hurt the others pups. When the babies become weaned, decide what family set up you want to avoid problems later on. 1)Two sisters in one tank and father with several sons in another tank. 2) One female and father in one tank with second female and daughter or son/nephew in another tank (Choose colored offspring that when paired back to mother/aunt will produce colors you want). 3)If colors produced are rare, you can rehome the common colors or those not wanted and breed for the colors wanted. For example if the babies are colorpoints, PEW, Black, agouti, and grey agouti. You may want to pair two colors that will produce just Colorpoints and grey agouti. It might mean one of the combinations above or perhaps siblings together. The babies sold will have to be paired to unrelated gerbils or sold as same gender pairs because its not recommended to inbreed more than three generations. -- Gary's web pages - http://home.talkcity.com/StudioDr/go5
