The success of various livestock development program mainly depends upon providing efficient health cover to the livestock. The health of any organism is depend on what it eats and largely determined by the perceived palatability of foods. Studies on nutritional status must take into account the state of the body, the chemical composition of the whole diet and of all material excreted and eliminated from the body (urine and feces). Comparing the food to the waste can help determine the specific compounds and elements absorbed and metabolized in the body. The number of variables involved in such experiments is high, making nutritional studies time-consuming and expensive, which explains why the science of human nutrition is still slowly evolving. . The threat of using biological material for ago-bio-terrorist ends has risen in recent years, which means that research and diagnostic laboratories, biological agent banks and other institutions authorized to carry out scientific activities have had to implement bio-safety and bio-security measures to counter the threat.
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