What is the difference between roughage and concentrates in cattle feed? Name one source of each for dairy animals.

The terms "roughage" and "concentrates" refer to two types of components in cattle feed, each serving different purposes in the diet of dairy animals:

Roughage:

Definition: Roughage refers to coarse, bulky, and fibrous components of feed that are high in fiber and low in digestibility. They provide bulk and aid in proper digestion and rumen function in cattle.
Source for dairy animals: One common source of roughage for dairy animals is alfalfa hay. Alfalfa hay is rich in fiber and provides essential nutrients such as protein and minerals. It helps maintain rumen health and supports milk production.
Concentrates:

Definition: Concentrates are feed ingredients that are higher in energy, protein, and other nutrients compared to roughage. They are more digestible and provide concentrated nutrition to meet the energy demands of dairy animals.
Source for dairy animals: A typical source of concentrates for dairy animals is corn. Corn is high in energy (carbohydrates) and is often used in dairy feed to supplement the energy needs of lactating cows. It helps to support milk production and overall nutritional balance in the diet.
In summary, roughage (like alfalfa hay) provides fiber and supports rumen function, while concentrates (like corn) supply concentrated energy and nutrients to meet the high demands of milk production in dairy animals.