The fluid pumped through the animals beginning one hour after their deaths is composed of equal parts of the animals’ blood and a cocktail of substances that mimic hemoglobin’s ability to carry oxygen ...

The animals’ blood—bright blue because it contains copper rather than iron like ours—is collected for one key reason: It clots in the presence of “endotoxins.” Endotoxins are shed when gram-negative ...

After a difficult day, pet owners quite literally feel the love. In fact, for nearly 25 years, research has shown that living with pets provides certain health benefits. Pets help lower blood ...

ILAR News 31(4), 5–20 (1989). Luzzi, M. et al. Collecting blood from rodents: a discussion by the Laboratory Animal Refinement and Enrichment Forum. Anim. Technol. Welf. 4(2), 99–102 (2005).