Knowledge: The first biscuit were flour type and only had one type of treat while now there are over 10 different kinds of biscuits available.

Conversation:
I give my dog two dog biscuits when he is a good boy.
How nice. Some manufacturers even say that these dry and hard biscuits can help clean the dog's teeth.
That's what I've heard and he just loves them!
And dog biscuits are actually similar to human snack food.
Do you know what the treats are made of?
Well, I know that "dog's bread", mentioned since Roman times, is made from bran.
yeah I had no idea they made them way back then. How many type of dog biscuits are there?

Response: A lot! Currently, there are over 10 different kinds of biscuits available for your fur baby to enjoy.