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 5.44
Milk (kg) -156.00 -0.014 2.18
Fat (kg) -3.35 -0.375 1.25
Prot (kg) -4.54 -0.441 2.00
Fertility Sub Index 1.52
Calving Interval (days) -1.31 -1.459 1.91
Survival (%) -0.35 1.117 -0.39
Calving Sub Index 0.03
Gestation Length (days) -0.03 -0.919 0.03
Beef Sub Index -0.06
Carcass Weight (kg) -2.20 -0.528 1.16
Age of Slaughter (days) 2.82 -0.432 -1.22
Maintenance Sub Index Maint. Sub Index 1.93
Live WT (kg) -6.30 -0.307 1.93
Total Carbon Sub Index 8.87

* Based on an €80/tonne carbon price