在循环中根据一个条件对变量进行比值，并保持多个变量

I have a data frame with 3 trapping sessions in each season of the year for 3 years (The real database have more than 100 seasons and 800 trapping seasons). For each trapping season I have 3 binomial variables ("Non_Breeder", "Potential_Breeder" and "Breeding").I have a data frame with 3 trapping sessions in