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 11.13
Milk (kg) -165.00 -0.014 2.31
Fat (kg) -10.57 -0.375 3.96
Prot (kg) -11.01 -0.441 4.86
Fertility Sub Index 7.25
Calving Interval (days) -4.66 -1.459 6.80
Survival (%) 0.40 1.117 0.45
Calving Sub Index 0.65
Gestation Length (days) -0.71 -0.919 0.65
Beef Sub Index 0.85
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 0.11 -0.432 -0.05
Maintenance Sub Index Maint. Sub Index 5.79
Live WT (kg) -18.90 -0.307 5.79
Total Carbon Sub Index 25.67

* Based on an €80/tonne carbon price