First guess is genetics ... different parent(s)?
Second guess is runt(s) ... caused by poor nutritional absorbtion ... Probiotic's may help ... read this ... https://metzerfarms.blogspot.com/2018/03/what-causes-runts.html?m=1 ... yogurt could help, or get a poultry probiotic ...
And thirdly ... both my first and second guesses could be related to each other ...
Second guess is runt(s) ... caused by poor nutritional absorbtion ... Probiotic's may help ... read this ... https://metzerfarms.blogspot.com/2018/03/what-causes-runts.html?m=1 ... yogurt could help, or get a poultry probiotic ...
And thirdly ... both my first and second guesses could be related to each other ...
The normal ones are still growing normally.
