What's New and Beneficial about Sweet Potatoes. 1  Orange-fleshed sweet potatoes may be one of nature's unsurpassed sources of beta-carotene. 2  Several recent studies have shown the superior ability of sweet potatoes to raise our blood levels of vitamin A. This benefit may be particularly true for children. In most U.S. groceries, you should assume that you are always purchasing a sweet potato, even if the sign says yams.. 2  Over 1 million sweet potatoes are commercially grown in the U.S. each year, while commercial production of yams in the U.S. is rare.
Oxen used in farms for plowing. An ox (plural oxen), also known as a bullock in Australia and India, is a bovine trained as a draft animal. Oxen are commonly castrated adult male cattle; castration makes the animals easier to control. Cows (adult females) or bulls (intact males) may also be used in some areas.
A group of oxen is referred to as a yoke. Oxen are often used in teams and yoked into a harness to pull heavy loads. Working oxen are normally males that are castrated because steers aren't as...