The phrase "elderly animals" is correct and can be used in written English.
You can use this phrase to refer to animals that are aging or getting old. For example: "The animal shelter specializes in adopting out elderly animals who need special care."
Euthanasia is permitted under the American zoo association's regulations, but is mainly reserved for ill or elderly animals, said Steve Feldman, the association's spokesman.
But, she continues, experiments in mice bred to develop memory loss "have shown that elderly animals that began a running program benefited".
Elderly animals generally have persisting vaccinal antibody titres at protective level and respond to booster vaccination with elevation in titre.
Back in the 1950s, a weird, vampiric experiment showed that connecting the circulatory systems of old and young mice seems to rejuvenate the more elderly animals.
They then injected the virus into three dopamine-deprived areas in the brains of two groups of monkeys: eight elderly animals with age-related brain deterioration and 10 animals with Parkinson's-like symptoms induced by a toxin.
Back in the 1950s in a weird, vampiric experiment, scientists first showed that connecting the circulatory systems of old and young mice seems to rejuvenate the more elderly animals.
Hook up the circulatory systems of a young mouse and an old one, and the elderly animal seems to be rejuvenated.
These observations, though not the main focus of this review suggest that further study of urothelial-afferent interactions, in bladders of the elderly (and aged animal models) may provide important new insights into lower urinary tract dysfunction.
Elderly stroke patients and aged animals subjected to experimental stroke have significantly worse functional recovery and higher mortality compared to younger subjects.
"Children, the elderly and animals.
"It is all about three voiceless populations: children, the elderly and animals," Ms. Dion said.
