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United States Department of Agriculture (USDA)

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Situations

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New World screwworm spread and control in US‑Mexico

117 clusters · 382 sources · last updated

Latest: Cochliomyia hominivorax worm outbreak spreads in Chihuahua and Coahuila, first pet case reported

The New World screwworm outbreak that began in Chiapas in late 2024 has continued to expand throughout Mexico and into the United States. By mid‑July 2026 the parasite was confirmed in 28 of Mexico’s 32 states, affecting

[ACTIVE] [HEALTH] [BUSINESS] [MX] [US]

Mexico screwworm program and phased cattle export reopening

11 clusters · 81 sources · last updated

Latest: Coahuila prepares to resume cattle exports to the United States

Mexico’s sterile‑fly campaign against the New World screwworm is progressing, with President Claudia Sheinbaum confirming releases will begin within two weeks and scale toward 100 million flies per week by late 2026. The

[ACTIVE] [INTERNATIONAL] [US] [GB]

US bee colony decline impacts agriculture

2 clusters · 7 sources · last updated

Latest: US Bee Decline Threatens Fruit Production in Home Gardens

U.S. agricultural authorities reported that 1.7 million bee colonies died between summer 2024 and spring 2025, representing more than 60 % of commercial hives. The loss sharply reduced pollination of cucurbit crops such

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