Complex sentence: They advertise farm-bred "designer bugs" as super-fighters, agree that their technology is "completely counter to the natural process" but deny the use of hormones or the practice of arming crickets with steel implants.
Split into simpler sentences: They advertise farm-bred "designer bugs" as super-fighters and agree that their technology is "completely counter to the natural process". However, they refuse to use hormones or the practice of arming crickets with steel implants.