Riviana Foods Inc. (Nasdaq: RVFD), today reported higher earnings for fiscal 2000 of $25.1 million, or $1.73 per diluted share, on sales of $435.9 million. This compares to earnings of $24.3 million, or $1.60 per diluted share, on sales of $462.8 million for fiscal 1999. Income from operations increased 5% to $33.