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 1.15
Milk (kg) -27.00 -0.014 0.38
Fat (kg) -1.62 -0.375 0.61
Prot (kg) -0.37 -0.441 0.16
Fertility Sub Index 2.94
Calving Interval (days) -0.92 -1.459 1.34
Survival (%) 1.43 1.117 1.60
Calving Sub Index 4.96
Gestation Length (days) -5.40 -0.919 4.96
Beef Sub Index 0.57
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) 1.98 -0.432 -0.85
Maintenance Sub Index Maint. Sub Index 6.35
Live WT (kg) -20.70 -0.307 6.35
Total Carbon Sub Index 15.96

* Based on an €80/tonne carbon price