Livestock Digestive Systems

What is the primary function of the stomach in monogastric animals?

• Absorption of nutrients

• Fermentation of cellulose

• Initial digestion of proteins

• Reabsorption of water

In pigs, which part of the digestive system is primarily responsible for nutrient absorption?

• Stomach

• Small intestine

• Large intestine

• Cecum

What is the function of the gizzard in avian digestion?

• Absorption of nutrients

• Fermentation of cellulose

• Grinding of food

• Secretion of digestive enzymes

Which part of the avian digestive system is analogous to the stomach in monogastric mammals?

• Crop

• Gizzard

• Proventriculus

• Cecum

Tags

NGSS.MS-LS4-2

Why can horses digest hay, which is high in cellulose?

• They have a specialized stomach that secretes cellulase.

• They have a large cecum and colon for fermentation of cellulose.

• They produce saliva that contains cellulase.

• They chew hay more thoroughly than other animals.

What role does the crop play in avian digestion?

• Grinding of food

• Fermentation of cellulose

• Storage of food

• Absorption of nutrients

What role does the liver play in the digestion process of monogastric animals?

• Secretion of bile for fat emulsification

• Fermentation of undigested food

• Grinding of food particles

• Absorption of nutrients

The function of the rumen is...

• Fermentation

• To catch foreign objects

• Filtration

• Digestion

Tags

NGSS.MS-LS1-7

The function of the reticulum is...

• Fermentation

• To catch foreign objets

• Filtration

• Digestion

The function of the omasum is...

• Fermentation

• To catch foreign objects

• Filtration

• Digestion

Tags

NGSS.MS-LS1-7