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ANIMAL SCIENCES

1. In modern civilizations, people rely on meat, milk, and eggs as major sources of numerous nutrients. To satisfy this demand, sheep, goats, cattle, water buffalo, swine, chickens, ducks, geese, and turkeys are produced on farms all over the world. To understand how agricultural animals convert feedstuffs into the food and other commodities consumers demand, animal scientists have undertaken broad investigations using highly sophisticated techniques. The animal sciences comprise applied animal physiology, nutrition, breeding and genetics, ecology and ethology, and livestock and poultry management. In addition, diseases of food animals are the focus of many veterinary scientists.

2. Animal nutrition research was well-established in several centres around the world by the turn of the 20^th century, and it began to flourish during the second quarter of the 1900s. Many discoveries have been made about animal metabolism and consequent nutrient requirements; the usefulness of hundreds of feedstuffs as sources of essential amino acids, vitamins, and minerals, as well as lipids and carbohydrates; the proper balance of available nutrients in the diet; nutrient supplements and feed-processing technologies; and metabolite-partitioning and growth-promoting compounds.

3. These fundamental findings have been applied widely since 1950, bringing about improved animal feeding. Studies of life processes in farm animals have helped in developing the optimal nutriment for each animal, and human nutrition has benefited enormously from the knowledge that has come from these investigations.

4. The notion that "like begets like" was already current in biblical times. Long before the science of animal genetics developed, all species of agricultural animals were subjected to selective breeding to some extent. Modifying livestock and poultry to meet consumer demands requires the application of scientific principles to the selection of superior breeding animals and planned matings.

(Encyclopedia Britannica) Определите, является ли утверждение:

Farm animals are subjected by broad researches.

Варианты ответов:

1. ложным

2. истинным

3. в тексте нет информации

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