You are the owner of this article. Illinois soil among world's most fertile. ILLINOIS: Path of glaciers through state credited for rich farmland. BLOOMINGTON | Along with Chicago's soaring skyline and Lincoln's prairie roots, Illinois is best known for routinely producing one of the nation's top yields of corn and soybeans.
Poultry hens on small farms in Australia can be expected to yield four to five eggs a week, or 200 a year, by one estimate, while Canadian battery hens are estimated by the Canadian branch of the Humane Society International to lay eggs on seven out of eight days, for a total of about 320 a year.
Hens usually begin laying eggs when they are about 6 months old. Young hens tend to lay smaller eggs, often weighing less that the desired minimum weight of 54 grams. a. The average weight of the eggs produced by the young hens is 50.9 grams, and only 28% of their eggs exceed the desired minimum weight.If a Normal model is appropriate, what would you predict the standard deviation of the egg weights be? â5.3 grams b. By the time the hens have reached a year, the eggs they produce average 67.1 grams with a standard deviation of 6.4 grams.