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Bromethalin works by being metabolised to n-desmethyl-bromethalin and uncoupling mitochondrial oxidative phosphorylation, which causes a decrease in adenosine triphosphate (ATP) synthesis. The decreased ATP inhibits the activity of the Na/K ATPase enzyme , thereby leading to a subsequent buildup of cerebral spinal fluid (CSF) and vacuolization ...
[4] [5] This phenomenon of poison shyness is the rationale for poisons that kill only after multiple doses. Besides being directly toxic to the mammals that ingest them, including dogs, cats, and humans, many rodenticides present a secondary poisoning risk to animals that hunt or scavenge the dead corpses of rats.
Groundhogs are large rodents, weighing up to about 14 pounds and measuring up to 2 feet long. They have gray-brown or gray-red fur on stout bodies, short legs, clawed feet, and a small brushy tail.
Likewise, great horned owls can reportedly, per Bent (1938), prey upon groundhogs but rarely do so, given the temporal differences in their behaviors. [72] [73] Young groundhogs (usually those less than a couple months in age) may also be taken by the American mink, and perhaps other small mustelids, cats, timber rattlesnakes, and hawks.
Pennsylvania’s Punxsutawney Phil might be the most well-known weather-predicting groundhog, but a new list casts doubt on his accuracy. Phil did so poorly that even nonliving critters outshine ...
This is a list of Superfund sites in Michigan designated under the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) environmental law. The CERCLA federal law of 1980 authorized the United States Environmental Protection Agency (EPA) to create a list of polluted locations requiring a long-term response to clean up ...