What four sire lines are considered “bred up”

[yellowhouse]

It was not my intention to single you out. You do express some strong statements so I was curious what your background in bovine genetics was. There are some instances where your statements conflict with my education and experience, but more on that later. I look forward to some challenging discussions with you.

[jamshundred]

12 years old you began studying genetics?  

You are are quite proud of your efforts to preserve purity and bloodlines of other species, yet you breed mongrel Dexters and have focused on wiping out the original traditional horned bloodlines and foundation traits.