NE for Growing/Finishing Beef Cattle NE values of feeds + feed intake can be used to: Predict amount...
-
Upload
mae-jordan -
Category
Documents
-
view
213 -
download
0
Transcript of NE for Growing/Finishing Beef Cattle NE values of feeds + feed intake can be used to: Predict amount...
NE for Growing/Finishing Beef Cattle• NE values of feeds + feed intake can be
used to:• Predict amount of feed required for
particular gain (programmed feeding)
• For example, used in heifer development
• 600 lb calf (1,200 finished weight)• Want 1.0 lb/d ADG• How much alfalfa do we need to feed?
2
Programmed Feeding
• Requirements (from Table 7):• 5.16 Mcal NEm for maintenance
• 1.42 Mcal NEg for gain
• Alfalfa hay feed composition• 1.12 Mcal/kg NEm
• 0.54 Mcal/kg NEg
3
Programmed Feeding
• 5.16 Mcal NEm/1.12 Mcal/kg NEm =
• 4.6 kg alfalfa for maintenance• 1.42 Mcal NEg/0.54 Mcal/kg NEg =
• 2.63 kg alfalfa for gain• Total = 4.6 kg + 2.63 kg = 7.23 kg alfalfa• Convert to lbs• 7.23 kg /0.454 = 15.9 lb alfalfa
4
Programmed Feeding