Get the lists of portential parents for all individuals born in the colony with one or two unknown parents.

Usage

getPotentialParents(ped, minParentAge, maxGestationalPeriod)

Arguments

ped

the pedigree information in data.frame format. Pedigree (req. fields: id, sire, dam, gen, population). This requires complete pedigree information.

minParentAge

numeric values to set the minimum age in years for an animal to have an offspring. Defaults to 2 years. The check is not performed for animals with missing birth dates.

maxGestationalPeriod

integer value describing the days between conception and birth. This will be used to prevent the removal of sires who exit the colony between date of conception and birth. Need to decide where this will come from.

Value

a list of list with each internal list being made up of an animal id (id), a vector of possible sires (sire) and a vector of possible dams (dam). The id must be defined while the vectors sire and dam can be empty.