Sentences with phrase «old rat pups»
We report that a rudimentary map of space is already present when 2 1/2 - week - old rat pups explore an open environment outside the nest for the first time.
http://science.sciencemag.org/
Dopamine - linked genes, which were relatively inactive in 8 - day - old rat pups exposed to shock - paired odours, became more active when the pups were given corticosterone.
Not exact matches
She pulls out another plastic cage, occupied by a large white rat with red eyes that is nursing a dozen 21 - day - old pups.
Most Rat Terrier pups will weigh around 3 pounds by the time they're 8 to 9 weeks old — which means that they'll need about 140 calories per day (usually separated into three separate meals) to stay fueled and energized.
We were traveling with our older children and decided to bring our little pups with us (2 rat terriers).