Male rat problem

Okay so im breeding on a small scale 3 females to 1 male.
The male rat has not gotten any of the females pregnant and they have been together for almost 2 months. I have notice the male trying to engage with the females and stops right away to clean himself, but now no longer tries at all. What could the problem be and should i try a different male?
Any help would be great!! Thank you :)

do you have any other females? if so i noticed when replacing a female with some "fresh meat" it gets the male all excited and starts "breeding" everyone. So whenever i need a male to get on the ball i throw in a new female and it does the trick.
Ive only done this with males that have bred before.
It also could be the male. I have a male that used to be a pet and he refuses to breed his new name is food. Also if your not sure about his past he could have been a retired breeder. Depending on age he may not be interested in females. I have a few males i need to get rid of that have done their jobs and no longer have interest in breeding.

Cliffs notes: try a new male

Thanks you! I am going to have to try this then because i need them to start producing for me already! :D

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Originally Posted by SHROP

do you have any other females? if so i noticed when replacing a female with some "fresh meat" it gets the male all excited and starts "breeding" everyone. So whenever i need a male to get on the ball i throw in a new female and it does the trick.
Ive only done this with males that have bred before.
It also could be the male. I have a male that used to be a pet and he refuses to breed his new name is food. Also if your not sure about his past he could have been a retired breeder. Depending on age he may not be interested in females. I have a few males i need to get rid of that have done their jobs and no longer have interest in breeding.

Cliffs notes: try a new male

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