Livestock Digestive Systems

Which livestock species possess an avian digestive system?

• Cattle
• Chickens
• Goats
• Sheep

How does the avian digestive system differ from the other digestive systems?

What is the function of the crop?

• Produces a grinding action on the feed and removes some of the water from the feed.
• Is a small pouch on the side of the rumen that traps foreign materials.
• The stomach in a bird, where gastric enzymes and hydrochloric acid are secreted.
• Stores and soaks food ingested by the bird.

What is the function of the proventriculus?

• The stomach in a bird, where gastric enzymes and hydrochloric acid are secreted.
• Expels fecal wastes and eggs.
• Is a small pouch on the side of the rumen that traps foreign materials.
• Performs microbial fermentation in a pseudo-ruminant digestive system.

What is the function of the gizzard?

• The true stomach in a ruminant digestive system.
• Stores and soaks food.
• Mixes solid feed with after it has been partially broken down.
• A very muscular organ, which normally contains grit or stones that function like teeth to grind the food.

How many compartments are found in the stomach of a monogastric animal?

• 1
• 2
• 3
• 4

How does the stomach of a monogastric animal break down feed materials?

• Protozoa
• Fungi
• Gastric Acid
• All of the Above

Which of the following best defines the term, concentrates?

• Highly digestible feedstuffs that are high in energy and low in fiber.
• Low digestible feedstuffs that are low in energy and high in fiber.

What is the percentage of digestibility for concentrates?

• 80 to 90%
• 60 to 70%
• 40 to 50%
• 25 to 30%

Which of the following is an example of a farm animal that possesses a monogastric digestive system?

• Goat
• Horse
• Cattle
• Swine (Pigs)