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One third of coal's energy reaches the consumer.
half a billionth
its about just 1%
Oats has a slightly higher amount of energy than corn and wheat, and much more than barley. Oats is, however, much higher in fibre content than either corn, wheat or barley.
90%
Directly, none, unless it is sleeping in sunlight during the day. However, indirectly, it receives all its energy from the sun. The mouse that it eats got energy from the corn it ate. The corn got its energy from the sun (photosynthesis).
The latter. Corn eaten as a meal, be it corn-on-the-cob or as a side-dish, can only give a person (human) so much energy and nutrients; basically it mostly acts as a gut-filler and not much else. We can get some protein and energy from it, but it doesn't stay in the stomach and get digested as thoroughly as meat does. Energy from meat is released slowly over time as the amino acid enzymes in the stomach break down the meat, giving us a long-term burn of energy to use. Corn or any fruit and vegetable, only acts as a quick-burst of energy, then decreases as soon as it came.
~.08
You would eat the chicken because it uses up energy and does n't transmit much energy into the chiken egg- so it is the most economical way :)
Suprisingly you actually use more energy when you are sleeping then when you are awake.
35%
Horses only require concentrated feed if the amount of energy needed for exercise and weight maintenance cannot be met by hay. The amount is based on how much extra energy is needed to maintain weight and condition with the level of exercise. That being said, corn is absolutely the worst energy source for horses (molasses is equally bad). Oats and barley are better, safer concentrates and have less potential for intestinal upset due to over fermentation in the hind gut. The ideal concentrate is completely digested in the small intestine (extruded feeds) or the high carbohydrate component is digested and the fiber is all that reaches the large intestine.