A cat in heat is also
called estrus cycle.
Instead, dogs have what is
called an estrus cycle.
The proestrus phase lasts approximately 9 days, and gives way to the second phase
called the estrus.
This process is
called estrus, or heat, and typically begins around six months of age.
Not exact matches
This is more formally
called being in
estrus.
Female dogs are
called «bitches» and normally come into «heat» or
estrus every 6 - 7 months on the average.