ANSC 221 Final Exam All Answers Correct
What is the main function of carbohydrates in animal diets?
️️ To provide energy.
Why is roughage important in a ruminant’s diet?
️️ It helps stimulate rumination and saliva production, aiding digestion.
What is a primary reason animal...
What is the main function of carbohydrates in animal diets?
✔️✔️ To provide energy.
Why is roughage important in a ruminant’s diet?
✔️✔️ It helps stimulate rumination and saliva production, aiding digestion.
What is a primary reason animals need fat in their diets?
✔️✔️ It provides a concentrated energy source and supplies essential fatty acids.
How does vitamin K benefit animals?
✔️✔️ It is essential for blood clotting.
What mineral is essential for proper muscle function in animals?
✔️✔️ Potassium.
How can a deficiency of vitamin A affect young animals?
✔️✔️ It can lead to poor vision, growth retardation, and weakened immune response.
What is the main purpose of phosphorus in the body?
✔️✔️ To support bone health and energy metabolism.
Why do young animals need higher protein levels in their diets?
✔️✔️ For rapid growth and tissue development.
What is the main source of energy in most animal feeds?
,✔️✔️ Carbohydrates.
What is the importance of sulfur in animal diets?
✔️✔️ It is necessary for certain amino acids and vitamins, and aids in metabolism.
Why do some animals need vitamin C supplementation?
✔️✔️ Some, like guinea pigs, cannot produce it naturally and need it for collagen synthesis.
How does iron benefit animals?
✔️✔️ It is essential for oxygen transport in the blood via hemoglobin.
Why is fiber essential in the diets of herbivorous animals?
✔️✔️ It aids in digestive health and supports proper gut function.
What nutrient deficiency can lead to weakened bones in animals?
✔️✔️ Calcium deficiency.
What role does sodium play in animal nutrition?
✔️✔️ It helps maintain fluid balance and supports nerve transmission.
How does protein function in the bodies of animals?
✔️✔️ It builds and repairs tissues and supports immune health.
What can result from a deficiency in iodine in livestock?
✔️✔️ Goiter or thyroid gland enlargement.
Why might an animal need dietary supplementation of selenium?
✔️✔️ To prevent muscle degeneration and support antioxidant functions.
, What is the main purpose of vitamin B complex in animal diets?
✔️✔️ It aids in energy metabolism and supports nervous system health.
Why is magnesium necessary for animals?
✔️✔️ It plays a role in muscle contraction and nerve function.
How does fiber benefit monogastric animals like horses?
✔️✔️ It promotes proper digestion and nutrient absorption in the hindgut.
Why are proteins considered essential in a growing animal's diet?
✔️✔️ They provide amino acids necessary for muscle and tissue growth.
What is the importance of water-soluble vitamins in an animal’s diet?
✔️✔️ They support metabolism and must be regularly supplied, as they aren’t stored in the body.
What might a diet low in calcium cause in lactating animals?
✔️✔️ Milk fever, due to a sudden demand for calcium in milk production.
Why is copper important in animal nutrition?
✔️✔️ It is necessary for enzyme function and immune health.
What are the differences between grasses and legumes? advantages and disadvantages of each.
✔️✔️Grasses are mainly a source of Energy and legumes a source of protein. Legumes have a
symbiotic relationship with a bacteria which allows it to utilize N from the air and turn it into ammonia.
Legumes also improve soil fertility, are high in Ca, Vit a, P and trace minerals. high yield of palatable
feed/acre possible. Often there can be a problem with bloat. Grasses have the ability to grow in most
environments, stand being trampled on more, tolerant of grazing, prevent erosion, better root
structure. low in mineral and vitamin content, might be sufficient though for many animals. Often
palatable when immature. Loose a lot of protein/digestability when they mature.
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