Although the animal rights people have their reasons, the main business reason for inventions such as ovabrite is to reduce waste from the supply chain and increase efficiency. Think of it as continuous improvement.
To get to the root of any problem, including chick culling, you have to ask "5 why's".
1. why do buyers only want pullets
a. because they don't want to process the cockerels
2. why don't they want to process the cockerels
a. ???
As you go down the list, you get to the meat of the problem. The...