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 1.63
Milk (kg) -140.00 -0.014 1.96
Fat (kg) 3.32 -0.375 -1.24
Prot (kg) -2.08 -0.441 0.92
Fertility Sub Index 5.94
Calving Interval (days) -4.15 -1.459 6.06
Survival (%) -0.10 1.117 -0.11
Calving Sub Index 1.60
Gestation Length (days) -1.74 -0.919 1.60
Beef Sub Index 2.45
Carcass Weight (kg) -9.80 -0.528 5.17
Age of Slaughter (days) 6.31 -0.432 -2.72
Maintenance Sub Index Maint. Sub Index 6.59
Live WT (kg) -21.50 -0.307 6.59
Total Carbon Sub Index 18.21

* Based on an €80/tonne carbon price