Sentences with phrase «older female rats»
At Gerall's suggestion, Sonntag made his first foray into research on aging: He gave testosterone to 3 - day - old female rats and discovered that it speeds up the normal, age - related decline in their fertility and interest in mating.
http://www.sciencemag.org/ Not exact matches
Reproductive neuroendocrinologist Andrea Gore and her husband, evolutionary biologist David Crews — both at the University of Texas at Austin — examined the sexual inclinations of 12 male and 12 female 90 - to 120 - day - old rats, great - grandchildren of females injected during pregnancy with vinclozolin by reproductive biologist Michael Skinner.
The controls developed tunor too, as do 50 - 80 % of all old female Sprauge - Dawley rats depending upon the calories in their diet (cancerres.aacrjournals.org/content/16/3/194.short).
Adult female Sprague Dawley rats (3 months old, Harlan) were used in all in vivo spinal cord injury experiments and were anesthetized by injection of a cocktail containing ketamine and xylazine.
Methods: Thirty - day - old female Wistar rats were submitted to IF for three months.
Sassy is a female Rat Terrier / Beagle that is 10 years old and weighs 17 pounds.
I have a pitbull mix 44 lbs 2 1 \ 2 yrs old lola that keeps licking our smaller dog rat terrier / Boston terrier mix 17 lbs 4 yrs old minnie both females both fixid..