For many years we breeders have been assuming that there regularly were differences in observable hip joint laxity between films made in or
near estrus and those made in complete anestrus (not close to a heat cycle).
Data from the U.K. show males as having lower BVA scores (better hips), which at one time was thought to be at least partly due to some females being in or
near estrus or postpartum at the time of radiography, at which time joints were supposedly slightly looser.
Not exact matches
Generally speaking, most Greyhounds» first
estrus cycle occurs later in life than non-Greyhound dogs, occurring
near or after 12 months of age.