We purchased a batch of 40 adult Long-Evans male rats (300–350 g body weight) from a laboratory animal supplier for studies on sexual behavior. We kept the males in pairs in shoebox cages in a ...

A man was recently seen ripping apart and eating pieces of a New York City rat on a Bronx street, according to video posted ...

Normal rat posture results in proximity of the scrotum to bedding and feces, which predisposes rats to postoperative complications if castration is done using standard scrotal and prescrotal ...

View Full Profile. Learn about our Editorial Policies. When researchers castrated a male rat, implanted a uterus into the animal, surgically joined its circulation to that of a female rat, and ...

Dr Joseph Borzelleca, 94, studied the effect of Red Dye No.3 in 1987, looking at its effect on male rats. His study found ...

Brain cells (magenta) in the reward center of a rat’s brain release dopamine in response to opioids. According to a new study ...

"The study aimed to assess the effects of unpredictable chronic mild stress (UCMS) during prepuberty and adolescence and the ...

Nine adult male domesticated rats, previously trained on an unrelated odor categorization task, were trained to discriminate between wines of two distinct grape varieties. Each rat was assigned ...

in male rats subjected to transient middle cerebral artery occlusion. RESULTS: After intravenous administration, IL-1RA-PEP (50 mg/kg) penetrated cerebral tissues more effectively than IL-1RA.

Brain cells (magenta) in the reward center of a rat’s brain release dopamine in response to opioids. According to a new study by WashU Medicine researchers, male and female rats with a chronic pain ...