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Locoweed (also crazyweed and loco) is a common name in North America for any plant that produces swainsonine, an alkaloid harmful to livestock.Worldwide, swainsonine is produced by a small number of species, most of them in three genera of the flowering plant family Fabaceae: Oxytropis and Astragalus in North America, [1] and Swainsona in Australia.
The chronic toxic dose of selenite for humans is about 2400 to 3000 micrograms of selenium per day for a long time. [20] Hydrogen selenide is an extremely toxic, corrosive gas. [ 21 ] Selenium also occurs in organic compounds, such as dimethyl selenide, selenomethionine , selenocysteine and methylselenocysteine , all of which have high ...
It may be treated with selenium supplementation, but there is a 30–45% mortality rate. [7] Other sequelae include aspiration pneumonia, failure of passive transfer, and stunting of growth. Clinical laboratory changes include evidence of rhabdomyolysis (elevated CK and AST, myoglobinuria ) and low blood selenium levels.
Selenium deficiency occurs when an organism lacks the required levels of selenium, a critical nutrient in many species.Deficiency, although relatively rare in healthy well-nourished individuals, [1] can have significant negative results, [2] affecting the health of the heart and the nervous system; contributing to depression, anxiety, and dementia; and interfering with reproduction and gestation.
Toxic by ingestion and inhalation [2] ... (goat, 10 min) 6590 mg/m 3 (sheep, ... Selenium dioxide is the chemical compound with the formula SeO 2.
Selenium came to medical notice later because of its toxicity to industrial workers. Selenium was also recognized as an important veterinary toxin, which is seen in animals that have eaten high-selenium plants. In 1954, the first hints of specific biological functions of selenium were discovered in microorganisms by biochemist, Jane Pinsent.
Greece has banned moving sheep and goats from their farms to try to contain a viral infection known as "goat plague" after new cases were detected over the weekend, the agriculture ministry said ...
Some astragalus species can be toxic, such as those found in the United States containing the neurotoxin swainsonine, which causes "locoweed" poisoning in animals. [11] Some astragalus species may contain high levels of selenium , possibly causing toxicity.