Today, USDA currently disperses about 100 million sterile flies per week across Mexico.
With this conditional approval, cattle producers now have an immediate line of defense against a parasite that poses a serious threat to animal health and agricultural livelihoods.
Since July, USDA and Mexican authorities have maintained nearly 8,000 surveillance traps across Texas, Arizona, and New Mexico.
Animal health experts say the next few months will be critical in determining whether the screwworm outbreak can be contained before it causes widespread damage on both sides of the border.
The screwworm lays eggs in wounds and consumes the living tissue of livestock, pets, wildlife, and even humans.
Although the parasite has not yet been detected in the US, Washington has already closed the border to imports of cattle, horses, and bison from Mexico.
The company operates eight primary beef processing plants in North America where cattle are slaughtered for retail cuts.
The report suggests that a global 30% reduction in antibiotic use, achieved through improved hygiene, vaccination, and biosecurity, could yield US$120 billion in economic gains by 2050.