Mice commonly eat their babies and I believe that it is primarily stress related. Our colony manager does not breed mothers who eat their young more than twice, because he feels that if they do it twice, there is a problem with the mother, assuming other breeding pairs in the same room are not doing this.Click to see full answer. Hereof, why do mother rats eat their babies?Cannibalism in rodents is not unusual; rat mothers sometimes eat their unhealthy young to conserve energy for raising the healthy ones. Pregnant rats sometimes become aggressive to other rats. Cannibalism is an instinct of wild rats that occurs far more often in mice and other smaller rodents.Secondly, why do mice abandon their babies? Unlike birds, mice will not reject their young simply because they have human scent on them. After 4-6 hours, if you check the babies and they do not have white bands on their tummies (“milk bellies”), this means they have not been fed. The mother is either deceased, or has abandoned the nest. Also asked, do mice eat their own? In fact, if food is scarce, mice will even eat each other.Can a rat kill a baby?It is not typical for mother to kill their own offspring. Mother rats may kill the offspring of other females and virgin females will often kill babies (suggesting that hormones play an active role in determining female behavior to offspring).
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