Research Article

Ruminal Degradability and Summative Models Evaluation for Total Digestible Nutrients Prediction of Some Forages and Byproducts in Goats

Table 6

Calculated TDN values at maintenance conditions using equation IVdNDF from NRC [3] and its conversion to ME values at production levels.

Feed
%%Mcal/kg DM

Discarded corn67.563.82.4
Discarded sorghum63.661.32.2
Discarded sesame53.55351.9
Citrus pulp84.074.42.8
Sugar cane, whole plant, 6 months52.152.11.8
Forage sorghum45.645.61.5
Bermudagrass 39.839.81.3
Brachiaria42.642.61.4
King grass42.142.11.4
Kikuyu grass41.541.51.4
Guinea grass60.759.42.2
Stargrass, 20 days70.765.92.5

If < 60%: = . If > 60%: =   − (0.18 *   − 10.3) * 2. , Mcal/kg = 0.036  ×   .