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 8.33
Milk (kg) -173.00 -0.014 2.42
Fat (kg) -5.27 -0.375 1.97
Prot (kg) -8.92 -0.441 3.94
Fertility Sub Index 0.85
Calving Interval (days) -1.04 -1.459 1.52
Survival (%) -0.60 1.117 -0.67
Calving Sub Index 0.11
Gestation Length (days) -0.12 -0.919 0.11
Beef Sub Index 1.93
Carcass Weight (kg) -4.70 -0.528 2.48
Age of Slaughter (days) 1.28 -0.432 -0.55
Maintenance Sub Index Maint. Sub Index 1.50
Live WT (kg) -4.90 -0.307 1.50
Total Carbon Sub Index 12.72

* Based on an €80/tonne carbon price