Correct option is A
In a balanced ration for buffaloes, especially during maintenance and moderate milk production, the general recommendation is that two-thirds (2/3) of the total dry matter intake should come from roughage,
Roughage (fibrous feed) includes green fodder, dry fodder, silage.
Concentrate (energy & protein-rich) includes grains, oil cakes, bran, etc.
Ideal for maintaining rumen health and preventing metabolic disorders.