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Cattle

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New World Screwworm Spreads Beyond Texas, Threatening U.S. Cattle Industry
world1 month ago

New World Screwworm Spreads Beyond Texas, Threatening U.S. Cattle Industry

The USDA confirms three additional New World screwworm cases, including one in New Mexico, signaling the parasite’s spread beyond Texas. Authorities have quarantines around affected areas and are ramping up sterile‑male fly releases as part of a long‑term program to halt the outbreak, while researchers seek faster sterile‑fly production and a potential Texas fly factory. Beef prices remain steady for now, but the parasite threatens the U.S. cattle industry if containment fails.

South Texas Faces First New World Screwworm Case, Sparking Broad Response
agriculture1 month ago

South Texas Faces First New World Screwworm Case, Sparking Broad Response

Texas has confirmed the first U.S. case of New World screwworm in a 3‑week‑old calf from Zavala County, prompting federal and state actions. While meat isn’t at immediate risk, the outbreak could cost up to $1.8 billion to Texas’ cattle economy and push beef prices higher. Officials are using sterile-fly release programs, quarantines, and enhanced border surveillance with Mexico and Panama to eradicate the pest, building on a historic eradication effort from the 1960s. Hunters and pet owners should monitor wounds on animals and report suspected screwworms to a veterinarian; FDA-approved treatments exist, though medicated feed is not yet approved.

Texas Calf’s Screwworm Infestation Signals Reemergence of a Livestock Threat
health1 month ago

Texas Calf’s Screwworm Infestation Signals Reemergence of a Livestock Threat

A New World screwworm was found in a three‑week‑old calf in Texas, marking the first animal case in the U.S. since the pest was eradicated in 1966. The larvae can devastate livestock and, if the outbreak spreads, could push beef prices higher amid concerns for the cattle industry. Authorities have quarantined the farm, begun treatment, and plan sterile‑male releases to curb the fly population. Humans can be infected, but such cases are rare; the larger concern is potential livestock losses and broader trade/price impacts if the outbreak grows.

Five Founders, One Island: Amsterdam Island Cattle Defy Dwarfism Myths
science2 months ago

Five Founders, One Island: Amsterdam Island Cattle Defy Dwarfism Myths

DNA from Amsterdam Island’s five founding cows shows mixed Jersey and Indian Ocean zebu ancestry, meaning the tiny herd did not shrink via rapid island dwarfism but started small with enough genetic diversity to rebound into thousands; the study, based on eight whole genomes, upends a 2017 dwarfism claim and suggests the founders carried traits favorable for isolation, despite about 30% inbreeding, before the herd was ultimately removed to protect native species.

Cattle futures hit record highs as herd shrinkage tightens beef supply
business2 months ago

Cattle futures hit record highs as herd shrinkage tightens beef supply

Live cattle futures settled at $2.51 per pound—the highest on record dating back to the 1960s—driven by shrinking U.S. herds and slower slaughter. Beef production fell, ground beef价 near $6.70 per pound in March, and input costs for farmers rose, helping keep beef inflation elevated even as demand remains resilient; restaurants could face weaker sales amid higher beef prices.

"Epigenetic Breakthrough: CoRSIVs Found in Both Humans and Cattle"
sciencegenetics2 years ago

"Epigenetic Breakthrough: CoRSIVs Found in Both Humans and Cattle"

Researchers from Baylor College of Medicine, Cornell University, and the USDA have discovered CoRSIVs (correlated regions of systemic inter-individual variation) in cattle, similar to those found in humans. These regions, marked by DNA methylation, could help predict and select desirable traits in cattle, such as milk production and disease resistance, potentially improving agricultural efficiency and sustainability.

Bird Flu Hits Minnesota Dairy Herd, First in State
health2 years ago

Bird Flu Hits Minnesota Dairy Herd, First in State

An avian flu outbreak has affected over 40 cattle in Minnesota, marking the spread of the virus to the state. The herd has been quarantined, and the USDA confirmed the positive tests. This follows earlier outbreaks in Kansas and Texas, with over 80 dairy herds infected across 11 states. The virus has also led to human infections, though it is not believed to transmit between humans. The economic impact is significant due to the higher cost of raising cattle compared to poultry.