Excerpt - Back Matter: "... "Color Inheritance in MammalsV. The GuineaPig." J. Hered. 8:476-80.1917. Important Note This pet handbook tells the reader how to buy and care for guineapigs. The advice given in the book applies ..."
Excerpt - page 18: "... 5 inches (3.81). Larger grids can cause your guineapig to have sore feet, so it is important to purchase the proper size cubes. Several guineapigcare websites offer ..."