I had two squabs hatch recently. One squab was bigger than the other.
This is a normal occurrence and in most cases is not a problem.
In this case the larger squab was getting the lion share of attention from the new parents. The younger squab was getting little to no food, was weak, it's crop was empty and was sure to die. I had to take action in some form.
I did a squab swap from another nest at that point I had nothing to loose.
This paring only had a single squab to begin with and was getting preferential treatment.
Problem solved! Now the new twin squabs are the same size.
Things have been progressing smoothly in both nest.
Just would like to remind fanciers to check on your squabs daily or as often as possible to be on the look out for splayed leg, growth problems, full crops, and a variety of issues.
By handling healthy squabs you develop a trained eye to spot abnormal development. You are doing your flock a favour and at the same time becoming a wiser pigeon fancier.
It will definitely cut down on your squab mortality rate.