Discuss that an adult animal consumed 50 kcal of food. 5 kcal have been excreted in urine and feces. Where did the remaining 45 kcal eventually go?
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Discuss that an adult animal consumed 50 kcal of food. 5 kcal have been excreted in urine and feces. Where did the remaining 45 kcal eventually go?
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- An adult animal consumed 50 kcal of food. 5 kcal have been excreted in urine and feces. Where did the remaining 45 kcal eventually go?A deer eats 25kg of herbaceous material per day. The herbaceous material is approximately 20% dry matter(DM) and has an energy content of 10MJ. (kg DM^-1). Of the total energy ingested per day, 25% is excreted as undigested material. Of the 75% that is digested, 80% is lost to metabolic waste products and heat. The remaining 20% is converted to body tissue. How many MJ are converted to tissue on daily basis? Calculate the percentage of energy consumed that is converted to body tissue. Draw a schematic of energy balance.Consider the energy budgets for a human, an elephant, apenguin, a mouse, and a snake. The __________ would have thehighest total annual energy expenditure, and the __________would have the highest energy expenditure per unit mass.(A) elephant; mouse(B) elephant; human(C) mouse; snake(D) penguin; mouse
- A deer eats 25kg of herbaceous material per day. The herbaceous material is approximately 20% dry matter(DM) and has an energy content of 10MJ.(kgDM)^-1. Of the total energy ingested per day, 25% is excreted as undigested material. Of the 75% that isn’t digested, 80% is lost to metabolic waste products and heat. The remaining 20% is converted to body tissue. How MJ are converted to body tissue on a daily basis? Calculate the percentage of energy consumed that Osborn’s converted to body tissue Draw a schematic of energy balance.On a per-kilogram basis, why does a small mammal such as a shrewrequire so much more energy than does an elephant or other largemammal?Briefly discuss why the mass specific metabolic rate of an elephant is much lower than that of a mouse.
- If a zoo animal eating ample food shows signs of malnutrition, how might a researcher determine which nutrient is lacking in its diet?Consider a 96 kg adult, who is overweight. Weight loss would improve their general health and wellbeing. If 35 % of the body mass of this 96 kg adult consists of TGs (in adipose tissue), what is the total available fuel reserve, in kJ and kcal, in the form of TGs? 2. This 96 kg adult decides to begin a starvation diet to lose weight. They aim to reduce their weight to 75 kg, which will be a weight loss of 21 kg. If the only source of nutrient energy for this 96 kg adult is the oxidation of fatty acids stored at TGs, how long (in days plus hours) will it take for this person to lose 21 kg of their body weight under starvation conditions? The daily energy expenditure for this 96 kg adult is 8700 kJ. This is equivalent to the recommended Australian average daily energy intake of 8700 kJ. 3. Calculate the weight loss in kg/day under such starvation conditions if the oxidation of fatty acids stored as TGs were the…With regard to thermoregulation in humans, what could be considered an accurate consequence of the outside temperature dropping below the lower critical temperature? A. The individual will begin to breathe in less oxygen and exhale less carbon dioxide. B. The metabolic needs of the individual will increase if they remain below the lower critical temperature for sufficient time-frames. C. Capillaries (i.e. blood vessels) near the surface of the skin will dilate in order to allow blood to circulate more freely throughout the organism, distributing heat to raise temperature. D. The person's Basal Metabolic Rate will be lowered to match the Standard Metabolic Rate of an ectotherm of comparable size. E. Hormones from the hypothalamus will be released, which lead to the initiation of a positive feedback response that amplifies muscle contraction, leading to shivering.
- Which animal must eat a larger proportion of its weight in food each day: a house cat or an African lion caged in a zoo? Explain.Intermittent fasting is popular now as an eating pattern for weight loss. Under the fasting conditions, the body does not have incoming food and must use available stores for energy production. Give at least three available stores of energy. Which will be depleted first?Explain the questions related to animal nutrition: a. Would there be a benefit if antibiotics were used in growing-finishing pigs’ diets? why? b. How does the ash content in an ingredient affect the energy value?
