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Hungry or thirsty horses are more likely to eat poisonous plants, as are those pastured on overgrazed lands. [5] Animals with mineral deficiencies due to poor diets will sometimes seek out poisonous plants. [6] Poisonous plants are more of a danger to livestock after wildfires, as they often regrow more quickly. [7]
Nearly all parts contain toxic taxanes (except the red, fleshy, and slightly sweet aril surrounding the toxic seeds). [208] [209] The seeds themselves are particularly toxic if chewed. [210] Several people have committed suicide by ingesting leaves and seeds, including Catuvolcus, king of a tribe in what is now Belgium. Toxicodendron spp.
Higher risk of provoking life-threatening reactions compared to most other food allergies. Celery seeds and celeriac are more allergenic than celery stalks. [7] [8] Some individuals become cross-sensitized to other spices and herbs in the parsley family. Prevalence is high among adults in Central Europe. It is estimated that two-fifths of all ...
Ageratina altissima, also known as white snakeroot, [3] richweed, [3] or white sanicle, [4] is a poisonous perennial herb in the family Asteraceae, native to eastern and central North America. An older binomial name for this species is Eupatorium rugosum , but the genus Eupatorium has undergone taxonomic revision by botanists , and some species ...
Persin is an oil-soluble compound structurally similar to a fatty acid, a colourless oil, and it leaches into the body of the fruit from the seeds. The relatively low concentrations of persin in the ripe pulp of the avocado fruit is generally considered harmless to humans. Negative effects in humans are primarily in allergic individuals. When ...
The species, like many others within the genus Gastrolobium, contains high levels of fluoroacetate (the active ingredient in the pest control toxin known as 1080) The leaves, seeds and roots are highly poisonous to cattle, sheep, horses and goats. Major livestock losses have been attributed to the plant in Queensland.
Ingestion of silverleaf nightshade has been implicated as a cause of ivermectin toxicosis in horses given the recommended dosage of the drug. Metabolites from the plant are speculated to disrupt the blood–brain barrier , allowing ivermectin to enter and disrupt neurotransmitter function in the brain and spinal cord.
If buttercups, red clover or dandelions were toxic to horse, there would be very few if any pastures in the UK that horses could graze! Listing by genus when only a few species are involved is quite wrong. There's also confusion between the plant itself being toxic and it being toxic when infected with a fungus or other non-plant organism.