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 -3.82
Milk (kg) -2.00 -0.014 0.03
Fat (kg) 5.19 -0.375 -1.94
Prot (kg) 4.31 -0.441 -1.90
Fertility Sub Index -3.25
Calving Interval (days) 1.69 -1.459 -2.47
Survival (%) -0.70 1.117 -0.78
Calving Sub Index 0.06
Gestation Length (days) -0.06 -0.919 0.06
Beef Sub Index -0.31
Carcass Weight (kg) -0.40 -0.528 0.21
Age of Slaughter (days) 1.20 -0.432 -0.52
Maintenance Sub Index Maint. Sub Index 0.58
Live WT (kg) -1.90 -0.307 0.58
Total Carbon Sub Index -6.74

* Based on an €80/tonne carbon price