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%.
The U.S. Bureau of Labor Statistics reported that the median salary of a social worker was $42,480 a year as of May 2010. The range spanned from under $26,710 for the lowest 10 percent of earners to more than $70,390 for the highest 10 percent of workers.