https://www.backyardchickens.com/t/16008/how-to-tell-a-fertile-vs-infertile-egg-pictures
Here are pictures in that link for fertile VS non fertile.
What other roosters do you have? or possible boys?
at 4.5 months I highly doubt that suspected boy Peaches is the one fertilizing eggs, I see boys who try to mate that early, but don't 'get the hang of it' or just aren't fertile until alittle later on....BUT stranger things happen - LOL
do you have any older birds that you are iffy about?
Here are pictures in that link for fertile VS non fertile.
What other roosters do you have? or possible boys?
at 4.5 months I highly doubt that suspected boy Peaches is the one fertilizing eggs, I see boys who try to mate that early, but don't 'get the hang of it' or just aren't fertile until alittle later on....BUT stranger things happen - LOL
do you have any older birds that you are iffy about?