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 2.25
Milk (kg) -33.00 -0.014 0.46
Fat (kg) -1.38 -0.375 0.52
Prot (kg) -2.88 -0.441 1.27
Fertility Sub Index 2.35
Calving Interval (days) -1.07 -1.459 1.56
Survival (%) 0.71 1.117 0.79
Calving Sub Index 0.52
Gestation Length (days) -0.57 -0.919 0.52
Beef Sub Index 1.27
Carcass Weight (kg) -5.40 -0.528 2.85
Age of Slaughter (days) 3.65 -0.432 -1.58
Maintenance Sub Index Maint. Sub Index 6.50
Live WT (kg) -21.20 -0.307 6.50
Total Carbon Sub Index 12.91

* Based on an €80/tonne carbon price