Note that animals are uninterested in food lying on the ground. Using wheat or other items (carrots, and seeds) to breed animals that give food (cows, mooshrooms, pigs, chickens) is a way of getting more efficient food than bread or carrots.
Average Salary Information for US Workers. According to the Bureau of Labor Statistics, the median wage for workers in the United States in the fourth quarter of 2016 was $849 per week or $44,148 per year for a 40-hour work week. Wages were 2.9% higher than at the same date for the previous year, a gain of 1.8%.
National Average -- All Occupations. According to a May 2012 report from the U.S. Bureau of Labor Statistics, there were 130,287,700 people employed in the U.S. with an average annual salary of $45,790 in 2011. The Social Security Administration also collects wage data for the average wage index used to compute certain benefits.