There is no "mad pig disease". They have not been able to even create it in a laboratory.
I do not know if porcine meal is included in your pig feed. My guess is that it is. The ingredients I'm finding through google include "animal fat" along with fish and seed meals for protein.
I do not know if porcine meal is included in your pig feed. My guess is that it is. The ingredients I'm finding through google include "animal fat" along with fish and seed meals for protein.