On occasion,
an apparently normal cat may be found dead, or may develop sudden overwhelming respiratory failure and heartworm disease is diagnosed on a post-mortem examination.
Not exact matches
Apparently, the cry is always at a low level in
normal purring, but
cats with a close relationship with their owners seem to learn to dramatically exaggerate what prompts a beneficial response in their humans.
The
apparently «
normal footed»
cats would have been polydactyls with barely discernible extra toes, but whose offspring had more prominent extra toes - giving the appearance of either spontaneous mutation or recessive genes.