IOFSC

Income over Feed Supplement Cost
Dr. Victor E. Cabrera

IOFSC

I

Calculate Dry Matter Intake


1.	Milk Production		lb/cow/day
2.	Body Weight		lb/cow
3.	Days in Milk		day
4.	Dry Matter Intake		lb/cow/day

II

Set the Sources and Proportion of Forage in the Diet


	Proportion of Forage in diet		%
			% of Forage
	Crude Protien in Diet Provided by Forage		lb/cow/day

III

Set Source of Energy Supplements and Prices


	Source	Price ($/bu)	Current Diet (lb)	Upper Limit (lb)

IV

Set the Source of Protein, Byproduct Supplements and Prices

Product	Price ($/ton)	Current Diet (lb)	Upper Limit (lb)

V

Set the Upper Limits for RUP and RDP, and Milk Price


			Upper Limit
RUP	Rumen Undegradable Protein				% of Diet DM
RDP	Rumen Degradable Protein				% of Diet DM
CP	Crude Protein				% of Diet DM

Milk Price $/cwt