For molecular cloning and sequencing of the feline
GnRHR cDNA, pituitary glands were obtained from three
normal cats (a 6-month-old male and two females,
11 months and 3 years old). To sequence canine GnRHR
cDNA, pituitary glands were collected from three normal
female Beagle dogs (6 and 12 months and 8 years old). All
tissues were flash frozen in liquid nitrogen and stored at
80 C before use