Blender Studio's Highland Cattle hair example as a Gaussian splat, about 990,000 splats. Cycles takes its time over fur, so this one took 1 h 20 min on an RTX 4070 from click to splat.
Scene: Animal Fur Examples by Simon Thommes, Blender Studio (CC0). Made with SplatPilot, an extension for Blender 5.3: https://splatpilot.com · Get it on Superhive: https://superhivemarket.com/products/splatpilot