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I know there is a search function, but I tried and just can not exactly find the info I am looking for ( I am useless at that ....). Perhpas someone experienced can help me with this :
1.) I have two groups : each 4 females + 1 male. Now one group already has off spring and the females of the other group not even show signs of being pregnant. I bought all 10 mice at the same time. So I think to introduce the male of group 1 to the females of group 2 ( take the old male " infertile " male out.....) How can I introduce the new male ? I am afraid the females will kill the new male...
2.) As of which age must I separate the male off spring before they start fighting. Or is it OK if they grow up together ?
1.) I have two groups : each 4 females + 1 male. Now one group already has off spring and the females of the other group not even show signs of being pregnant. I bought all 10 mice at the same time. So I think to introduce the male of group 1 to the females of group 2 ( take the old male " infertile " male out.....) How can I introduce the new male ? I am afraid the females will kill the new male...
2.) As of which age must I separate the male off spring before they start fighting. Or is it OK if they grow up together ?