Agriculture: Grasses and Legumes

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Questions and Answers

What is the purpose of adding antibiotics to animal feed?

  • To provide essential nutrients
  • To promote growth and prevent disease (correct)
  • To improve palatability
  • To enhance metabolism

What is the role of ionophores in beef cattle feed?

  • To reduce methane and improve rumen fermentation efficiency (correct)
  • To increase growth rate and inhibit estrus
  • To provide essential nutrients
  • To enhance palatability

What is the function of the main stomach in carnivorous marine mammals?

  • Production of HCl and pepsin (correct)
  • Absorption of nutrients
  • Filtering of small food particles
  • Storage of food

What is the purpose of the American Feed Control Officials?

<p>To regulate feed additives and ensure human food safety (A)</p> Signup and view all the answers

What is the role of probiotics in animal feed?

<p>To outcompete disease-causing bacteria (A)</p> Signup and view all the answers

What is the purpose of MGA (melengestrol acetate) in beef heifers?

<p>To inhibit estrus and increase growth rate (A)</p> Signup and view all the answers

What is the primary function of cellulose in an animal's diet?

<p>Structure (D)</p> Signup and view all the answers

What is the term for the breakdown of glucose to make ATP?

<p>Glycolysis (B)</p> Signup and view all the answers

What is the purpose of creep feeding in newborn sheep?

<p>To provide carbohydrates (D)</p> Signup and view all the answers

What is the term for the movement of water from high to low concentration across a membrane?

<p>Osmosis (D)</p> Signup and view all the answers

What is the primary cause of acidosis in dairy cows?

<p>Feed that is too high in rapidly fermentable carbohydrates (C)</p> Signup and view all the answers

What is the term for the ratio of energy from protein to energy from fats and carbohydrates?

<p>PE ratio (A)</p> Signup and view all the answers

What is the primary function of the enzyme phytase in the Enviropig?

<p>Breakdown of phytate (B)</p> Signup and view all the answers

What is the term for the process of making new glucose from non-carbohydrate sources in the liver?

<p>Gluconeogenesis (A)</p> Signup and view all the answers

What is the primary function of the omasum in the ruminant digestive system?

<p>Storage of food (A)</p> Signup and view all the answers

What is the term for the process of breakdown of food in the rumen?

<p>Fermentation (D)</p> Signup and view all the answers

What is the primary difference between warm season and cool season grasses?

<p>Warm season grasses grow in higher temperatures (A)</p> Signup and view all the answers

What is the optimal time to harvest legumes?

<p>Between the boot and heading stage (A)</p> Signup and view all the answers

What is the function of parathyroid hormone in calcium homeostasis?

<p>Increases blood calcium levels (A)</p> Signup and view all the answers

What is the effect of phosphorus deficiency in animals?

<p>All of the above (D)</p> Signup and view all the answers

What is the function of selenium in animals?

<p>All of the above (D)</p> Signup and view all the answers

What is the difference between gross energy and digestible energy?

<p>Gross energy is the total chemical energy, while digestible energy is the energy digested and absorbed (A)</p> Signup and view all the answers

What is the function of copper in animals?

<p>Fe absorption, storage, and metabolism (A)</p> Signup and view all the answers

What is the effect of overfeeding phosphorus in monogastric diets?

<p>Nutritional secondary hyperparathyroidism (B)</p> Signup and view all the answers

What is the difference between metabolizable energy and net energy?

<p>Metabolizable energy is the energy available for metabolism, while net energy is the energy available for growth and production (A)</p> Signup and view all the answers

What is the effect of calcium deficiency on animal health?

<p>All of the above (D)</p> Signup and view all the answers

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