Question

difference between roughage and concentrate as components of animal feed

Answer 1

Animal feed includes roughage and concentrates. Roughage is largely fibre whereas concentrates are low in fibre and contain relatively high levels of proteins and other nutrients.

or

Concentrates are livestock feeds that are high in total digestible nutrients and low in fiber content. Roughages are livestock feeds that contain high proportion of fiber content and is low in total digestible nutrients. Hence, concentrates provide more energy than roughages. 

Answer 2

Roughage:

• Roughage is mainly fibre.

• Roughage does not contain many nutrients that can be digested by the animals easily.
• Roughage is portion of 'food obtained' from plants.
• Roughage does not provide any nutrient content.

Concentrates:

• Concentrates provide the livestock with carbohydrates and its main 'purpose' is to 'fatten' the animals.
• Concentrates are nutrients that can be easily digested.  

• Concentrates contain low levels of fibres and high levels of 'proteins' and other 'nutrients'.