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 1.16
Milk (kg) -5.00 -0.014 0.07
Fat (kg) 6.48 -0.375 -2.43
Prot (kg) -7.97 -0.441 3.52
Fertility Sub Index -0.08
Calving Interval (days) -0.75 -1.459 1.09
Survival (%) -1.05 1.117 -1.17
Calving Sub Index 0.28
Gestation Length (days) -0.31 -0.919 0.28
Beef Sub Index 0.49
Carcass Weight (kg) -4.30 -0.528 2.27
Age of Slaughter (days) 4.12 -0.432 -1.78
Maintenance Sub Index Maint. Sub Index 2.67
Live WT (kg) -8.70 -0.307 2.67
Total Carbon Sub Index 4.53

* Based on an €80/tonne carbon price