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 0.52
Milk (kg) -7.00 -0.014 0.10
Fat (kg) -0.26 -0.375 0.10
Prot (kg) -0.74 -0.441 0.33
Fertility Sub Index 2.93
Calving Interval (days) -1.77 -1.459 2.58
Survival (%) 0.31 1.117 0.35
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 1.46
Carcass Weight (kg) -3.70 -0.528 1.95
Age of Slaughter (days) 1.13 -0.432 -0.49
Maintenance Sub Index Maint. Sub Index 3.22
Live WT (kg) -10.50 -0.307 3.22
Total Carbon Sub Index 7.67

* Based on an €80/tonne carbon price