Breeding_success

These data are the reproductive output of different crosses. These data are in 4 columns: 1. cross.number: in the form "BB.BB1" Letters represent species ( B=P. campbelli, S=P. sungorus ). The first two letters are the mother's species, the second two letters are the father's species. Further, each unique litter is given a number. 2. mother.number: the unique identification number of the mother. 3. days.to.birth: number of days from crossing to a successful birth. 4. success.preg: 1 if the female gave birth in the first 40 days, 0 if she did not give birth in the first 40 days