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Apr 16, 2024 · NEWPORT, Ore. – Researchers who created “family trees” for nearly 10,000 fish found that first-generation, wild-born descendants of hatchery-origin Chinook salmon in an Oregon river show improved fitness. The finding, based on data collected over 13 years, is encouraging for Chinook salmon recovery efforts, said Kathleen O’Malley, an associate professor at Oregon State University and ...
Apr 15, 2024 · United States. The United States has a robust poultry industry, with an inventory of over 513 million chickens and over 216 million turkeys. The market leader for poultry products in the U.S. is ...
Apr 8, 2024 · However, this fluctuated with environmental conditions, and the coastal-lineage fish showed a shift to two-year-old spawners following the end of a five-year drought in 2017. The timing of spawning was also shown to be age-dependent in coastal-lineage fish, with older fish spawning earlier in the season than younger fish.
Apr 11, 2024 · For much of the 20th century, hatchery operations on the McKenzie used a mixed broodstock consisting of Middle Fork Willamette and McKenzie stocks, but only McKenzie Basin fish have been used as broodstock since 1990 (Johnson & Friesen, 2010).
1 day ago · Paige Blaker, the fish production supervisor at the Ed Weed Fish Culture Station, explained that in the wild, walleye have a low survival rate from the egg-to-hatch stage. Without human help ...
Apr 16, 2024 · The history of the U.S. Fish and Wildlife Service can be traced back to 1871. We are the only federal government agency whose primary responsibility is to manage fish and wildlife resources in the public trust for people today and future generations. Here are just a few of our focus areas... United States federal agency that manages national ...
Apr 8, 2024 · Fish production facility improvements begin across Michigan. With a 2023 state general fund budget appropriation of $30 million, six Michigan Department of Natural Resources fish hatcheries are being improved by updating outdated and aging infrastructure. Several of the sites have only seen limited updates or upgrades since the late 1970s ...
