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 5.86
Milk (kg) -66.00 -0.014 0.92
Fat (kg) -5.49 -0.375 2.06
Prot (kg) -6.53 -0.441 2.88
Fertility Sub Index -3.74
Calving Interval (days) 2.01 -1.459 -2.93
Survival (%) -0.72 1.117 -0.80
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.04
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 2.18 -0.432 -0.94
Maintenance Sub Index Maint. Sub Index 1.35
Live WT (kg) -4.40 -0.307 1.35
Total Carbon Sub Index 2.96

* Based on an €80/tonne carbon price