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 4.57
Milk (kg) -22.00 -0.014 0.31
Fat (kg) -5.61 -0.375 2.10
Prot (kg) -4.90 -0.441 2.16
Fertility Sub Index -7.34
Calving Interval (days) 3.82 -1.459 -5.57
Survival (%) -1.58 1.117 -1.77
Calving Sub Index 0.37
Gestation Length (days) -0.40 -0.919 0.37
Beef Sub Index -0.76
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 4.21 -0.432 -1.82
Maintenance Sub Index Maint. Sub Index 0.77
Live WT (kg) -2.50 -0.307 0.77
Total Carbon Sub Index -2.39

* Based on an €80/tonne carbon price