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 -4.94
Milk (kg) 104.00 -0.014 -1.46
Fat (kg) 4.13 -0.375 -1.55
Prot (kg) 4.39 -0.441 -1.94
Fertility Sub Index 1.29
Calving Interval (days) -1.13 -1.459 1.65
Survival (%) -0.32 1.117 -0.36
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.47
Carcass Weight (kg) -0.50 -0.528 0.26
Age of Slaughter (days) 1.70 -0.432 -0.73
Maintenance Sub Index Maint. Sub Index 0.92
Live WT (kg) -3.00 -0.307 0.92
Total Carbon Sub Index -3.67

* Based on an €80/tonne carbon price