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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]
Ant chalk, also known as Chinese chalk or Miraculous Insecticide Chalk, is an insecticide in the form of normal looking chalk. It contains the pesticides deltamethrin and cypermethrin. [1] While the active ingredients are legal in the United States, [2] the chalk is not legal there. Labeling often falsely claims the chalk is "harmless to human ...
There are also plants listed which are potentially toxic but which horses normally avoid (eg Senecio, Rhododendron), and others which they can eat safely in small amounts or at certain times of year (eg Prunus, Ligustrum, Pteridium). Some are listed by genus, when only certain members of the genus are toxic and others are good forage (eg ...
Cypermethrin is very toxic to cats which cannot tolerate the therapeutic doses for dogs. [6] This is associated with UGT1A6 deficiency in cats, the enzyme responsible for metabolizing cypermethrin. As a consequence, cypermethrin remains much longer in the cat's organs than in dogs or other mammals and can be fatal in large doses.
The chalk works about as well as traditional insecticides, which is to say not very well at all. In infestations the chalk would kill a lot of roaches at first and then stop being effective just like the sprays. Plus the chalk tends to come from questionable sources and could be contaminated with other chemicals.
Because taxine poisoning is often only diagnosed after the death of the patient due to its rapid effect, preventing exposure is very important. Even dried parts of the plant are toxic because they still contain taxine molecules. Pet owners must ensure that yew branches or leaves are not used as toys for dogs or as perches for domestic birds.
Horses: clinical effects occur mainly in mares, and includes noninfectious mastitis, as well as occasional gastritis and colic. Swelling of the head, tongue, and brisket may also be present. [7] Cats, dogs: mild stomach upset may occur, with potential to cause heart damage. [2] Dogs might be more resistant. [7]
Grass is a natural source of nutrition for a horse. Equine nutrition is the feeding of horses, ponies, mules, donkeys, and other equines. Correct and balanced nutrition is a critical component of proper horse care. Horses are non-ruminant herbivores of a type known as a "hindgut fermenter." Horses have only one stomach, as do humans.