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 8.12
Milk (kg) -159.00 -0.014 2.23
Fat (kg) -7.11 -0.375 2.66
Prot (kg) -7.33 -0.441 3.24
Fertility Sub Index -1.89
Calving Interval (days) 0.75 -1.459 -1.09
Survival (%) -0.71 1.117 -0.79
Calving Sub Index -3.55
Gestation Length (days) 3.86 -0.919 -3.55
Beef Sub Index -4.06
Carcass Weight (kg) 6.00 -0.528 -3.17
Age of Slaughter (days) 2.08 -0.432 -0.90
Maintenance Sub Index Maint. Sub Index -0.71
Live WT (kg) 2.30 -0.307 -0.71
Total Carbon Sub Index -2.08

* Based on an €80/tonne carbon price