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 1.30
Milk (kg) -34.00 -0.014 0.48
Fat (kg) -1.35 -0.375 0.51
Prot (kg) -0.71 -0.441 0.31
Fertility Sub Index 2.13
Calving Interval (days) -0.52 -1.459 0.76
Survival (%) 1.23 1.117 1.37
Calving Sub Index -0.51
Gestation Length (days) 0.55 -0.919 -0.51
Beef Sub Index -1.64
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 6.25 -0.432 -2.70
Maintenance Sub Index Maint. Sub Index 5.92
Live WT (kg) -19.30 -0.307 5.92
Total Carbon Sub Index 7.19

* Based on an €80/tonne carbon price