Why to drop the foreign key, when you could just disable them during the load of the new data and enable them again?

This seems the highly fashion way.

I've submitted a...

This is not a problem for tlog in publishing database.

The problem discused here was that the distribution database is very large.

This situation is happening even when you have few...

You probably have a transaction in publishing database that affects many rows, so generating many commands.

Cristi.