31. She covers her body with ochre and butterfat every morning and prays to her ancestors. 32. The USDA specifies that regular or supermarket butter made here must be 80 percent butterfat . 33. With Mexican cheeses, butterfat is everything. 34. Which is why butterfat content is significant. 35. Samples taken to measure butterfat content were tested using the inaccurate " oil test ". 36. Indian yogurt is generally thick and creamy from a substantial butterfat content in the whole milk. 37. THEY USE 4, 000 pounds of sugar and 3, 000 pounds of butterfat weekly. 38. So the combination of less water and more butterfat makes for a richer-tasting butter. 39. But is more butterfat always better? 40. It is extremely rich ( 86 percent butterfat , where ordinary butters contain 80 percent ).