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 4.79
Milk (kg) -63.00 -0.014 0.88
Fat (kg) -4.86 -0.375 1.82
Prot (kg) -4.74 -0.441 2.09
Fertility Sub Index 3.48
Calving Interval (days) -3.02 -1.459 4.41
Survival (%) -0.83 1.117 -0.93
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.03
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 1.76 -0.432 -0.76
Maintenance Sub Index Maint. Sub Index 2.30
Live WT (kg) -7.50 -0.307 2.30
Total Carbon Sub Index 10.14

* Based on an €80/tonne carbon price