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A stoat surplus killing chipmunks (Ernest Thompson Seton, 1909) Multiple sheep killed by a cougar. Surplus killing, also known as excessive killing, henhouse syndrome, [1] [2] or overkill, [3] is a common behavior exhibited by predators, in which they kill more prey than they can immediately eat and then they either cache or abandon the remainder.
The sodium–potassium pump a critical enzyme for regulating sodium and potassium levels in cells. Potassium is the main intracellular ion for all types of cells, while having a major role in maintenance of fluid and electrolyte balance. [1] [2] Potassium is necessary for the function of all living cells and is thus present in all plant and ...
Animal euthanasia (euthanasia from Greek: εὐθανασία; "good death") is the act of killing an animal humanely, most commonly with injectable drugs. Reasons for euthanasia include incurable (and especially painful) conditions or diseases, [ 1 ] lack of resources to continue supporting the animal, or laboratory test procedures.
A euthanasia solution is a drug-containing aqueous solution for intentionally ending life to either relieve pain and suffering or execute convicts. [1] The drugs used in euthanasia solution do not only need to be safe to personnel, but they also need to have a rapid onset of action and minimize the possible pain felt by humans and animals. [2]
Many animals regularly visit mineral licks to consume clay, supplementing their diet with nutrients and minerals. In tropical bats, lick visitation is associated with a diet based on wild figs ( Ficus ), which have very low levels of sodium, [ 3 ] [ 4 ] and licks are mostly used by females that are pregnant or lactating.
Potassium chloride (KCl) is one of the three drugs typically used in lethal injection in the United States. It causes hyperkalemia, which stops the heart by inducing depolarization of cellular membrane potentials. Intravenous KCl injection is unacceptable for vertebrate animals unless they have been rendered unconscious by other means. [1]
The Wake County Animal Center, Orange County Animal Shelter and Vance County Animal Shelter are in this category. Since they can’t turn away strays, some no-kill shelters have made it harder for ...
The sodium–potassium pump, a critical enzyme for regulating sodium and potassium levels in cells. Sodium ions (Na +) are necessary in small amounts for some types of plants, [1] but sodium as a nutrient is more generally needed in larger amounts [1] by animals, due to their use of it for generation of nerve impulses and for maintenance of electrolyte balance and fluid balance.