Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index 7.33
Milk (kg) -141.00 -0.014 1.97
Fat (kg) -4.25 -0.375 1.59
Prot (kg) -8.52 -0.441 3.76
Fertility Sub Index -2.29
Calving Interval (days) 1.32 -1.459 -1.93
Survival (%) -0.33 1.117 -0.37
Calving Sub Index 0.27
Gestation Length (days) -0.29 -0.919 0.27
Beef Sub Index -1.00
Carcass Weight (kg) -1.10 -0.528 0.58
Age of Slaughter (days) 3.65 -0.432 -1.58
Maintenance Sub Index Maint. Sub Index 0.74
Live WT (kg) -2.40 -0.307 0.74
Total Carbon Sub Index 5.04

* Based on an €80/tonne carbon price