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 4.94
Milk (kg) -63.00 -0.014 0.88
Fat (kg) -4.00 -0.375 1.50
Prot (kg) -5.80 -0.441 2.56
Fertility Sub Index 8.09
Calving Interval (days) -3.71 -1.459 5.41
Survival (%) 2.40 1.117 2.68
Calving Sub Index -3.46
Gestation Length (days) 3.76 -0.919 -3.46
Beef Sub Index 2.15
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) -1.92 -0.432 0.83
Maintenance Sub Index Maint. Sub Index 2.70
Live WT (kg) -8.80 -0.307 2.70
Total Carbon Sub Index 14.43

* Based on an €80/tonne carbon price