IBL?

[J DOG 6000]

Can someone explain to me what IBL stands for or what it means.
Having trouble finding a straight answer.

I have some Thai coming to me(IBL) and I believe it has something to do with the pure landrace gene's but I could be way off.
Please someone explain.

[J DOG 6000]

I agree and thats what I thought it meant .Now I'm really exited to try these thai seeds.