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 3.71
Milk (kg) -106.00 -0.014 1.48
Fat (kg) -1.89 -0.375 0.71
Prot (kg) -3.43 -0.441 1.51
Fertility Sub Index 0.61
Calving Interval (days) -0.37 -1.459 0.54
Survival (%) 0.06 1.117 0.07
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.36
Carcass Weight (kg) -2.20 -0.528 1.16
Age of Slaughter (days) 1.85 -0.432 -0.80
Maintenance Sub Index Maint. Sub Index 1.99
Live WT (kg) -6.50 -0.307 1.99
Total Carbon Sub Index 6.19

* Based on an €80/tonne carbon price