It seems as though the typical edit button is missing in this thread. I checked other posts I made and it's normally where we are seeing that little blue "report" button, bottom left side of our own posts. So it isn't you! :)
Maybe consider editing that post and deleting the extras if you can. Seems the computerizing part doesn't always work perfectly.
It's possible that person bought at some place like TSC which often mislabels or mixes up their breeds and such. :pop
Brahma.. being a larger breed can have a slower growth and maturity rate than some others. Also individual genetics will vary and you can see these anomalies even among the same breed from the same parents.
Also feed and temperature can play a role in how much energy is used for growing...
I...