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 4.16
Milk (kg) -130.00 -0.014 1.82
Fat (kg) 0.85 -0.375 -0.32
Prot (kg) -6.03 -0.441 2.66
Fertility Sub Index -11.40
Calving Interval (days) 5.94 -1.459 -8.67
Survival (%) -2.45 1.117 -2.74
Calving Sub Index 0.07
Gestation Length (days) -0.08 -0.919 0.07
Beef Sub Index 0.20
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 2.59 -0.432 -1.12
Maintenance Sub Index Maint. Sub Index 1.53
Live WT (kg) -5.00 -0.307 1.53
Total Carbon Sub Index -5.43

* Based on an €80/tonne carbon price