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 9.21
Milk (kg) -159.00 -0.014 2.23
Fat (kg) -11.79 -0.375 4.42
Prot (kg) -5.82 -0.441 2.57
Fertility Sub Index 1.42
Calving Interval (days) -0.78 -1.459 1.14
Survival (%) 0.25 1.117 0.28
Calving Sub Index -1.24
Gestation Length (days) 1.35 -0.919 -1.24
Beef Sub Index -1.67
Carcass Weight (kg) 1.50 -0.528 -0.79
Age of Slaughter (days) 2.04 -0.432 -0.88
Maintenance Sub Index Maint. Sub Index 0.95
Live WT (kg) -3.10 -0.307 0.95
Total Carbon Sub Index 8.67

* Based on an €80/tonne carbon price