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 3.93
Milk (kg) -59.00 -0.014 0.83
Fat (kg) -4.16 -0.375 1.56
Prot (kg) -3.51 -0.441 1.55
Fertility Sub Index 2.78
Calving Interval (days) -1.52 -1.459 2.22
Survival (%) 0.50 1.117 0.56
Calving Sub Index -0.37
Gestation Length (days) 0.40 -0.919 -0.37
Beef Sub Index 0.20
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) 2.46 -0.432 -1.06
Maintenance Sub Index Maint. Sub Index 1.23
Live WT (kg) -4.00 -0.307 1.23
Total Carbon Sub Index 7.77

* Based on an €80/tonne carbon price