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On average the population will average out to roughly 54/46 (male/female). For domestics, which ferals were, larger individual litters tend to have more females and litters born in the winter tend to have more male.
https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0030318https://pdfs.semanticscholar.org/8d05/d0504872cf329b73f2b8277fc5441313c47d.pdfYou mentioned the number 14. That was the whole group size or the number of males? Do you know that you saw the entire sounder?
"Adults" in hogs is really relative, depending on whether you go by age (as indicated by bone/tooth development and wear), size, or capability of breeding. Shoats may reproduce successfully at just 6-8 months of age and have a litter on the ground by 1 year of age, yet not be an adult, though would be consider "sows" because they have bred. The smallest mama hog I have found was only 65 lbs and I have seen numerous that were under 100 lbs.
Around 2 years of age are when hogs get their third molars fully erupted and that is about when their bones cease growing and the ends fuse. Skeletally, that would be when the hogs become adults because they have stopped growing (though they may fatten). I have killed 250 lb boars that had tiny nubbins for tusks and their 3rd molars only partially erupted (probably 2 years old or less). I have killed 160 lbs boars with impressively long cutters and their 3rd molars showing full wear (older hog). So size can be really sketchy for age assessments.
You said you had a "couple" of shoats but only 1 is female. That would indicate a 50/50 ratio of shoats. Maybe you are confusing your terminology and math?
