Treatments 
Variables T1 T2 T3 T4
Purchase price per sheep (ETB) 305 307.5 305.8 305.7
Hay consumed (kg/sheep) 48.3 29.9 32.5 29
NSC consumed (kg/sheep) - - 8.9 4.5
WB consumed (Kg/sheep) - - 18.1 9.1
DTP consumed (kg/sheep) - 35.7 - 17.8
Feed costs        
Cost of NSC (ETB/sheep) - - 44.5 22.5
Cost of hay (ETB/sheep) 82.9 51.3 55.7 49.7
Cost of WB (ETB/sheep) - - 72.4 36.4
Cost of DTP (ETB/sheep) - 71.4 - 34.8
TVC (ETB/sheep) 387.9 430.2 478.4 449.1
Gross return (ETB/sheep) 650 800 790 800
Total return (TR) (ETB/sheep) 345 492.5 484.2 494.3
Net return (ETB/sheep) -42.9 62.3 5.8 45.2
Change in total return (ETB/sheep) - 147.5 139.2 149.3
Change in net income (ΔNI) (ETB/sheep) - 105.2 48.7 88.1
Change of total variable cost (ΔTVC) - 42.3 90.5 61.2
MRR(ΔNI/ΔTVC) - 2.49 0.54 1.44
ETB=Ethiopian birr; ΔNI=change in net income; ΔTVC=change of total variable cost.
Table 6: Partial budget analysis for Hararghe Highland sheep fed native hay and supplemented with dried tomato pomace and concentrate feed.