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 1.27
Milk (kg) -10.00 -0.014 0.14
Fat (kg) -4.22 -0.375 1.58
Prot (kg) 1.03 -0.441 -0.45
Fertility Sub Index 1.77
Calving Interval (days) -0.86 -1.459 1.25
Survival (%) 0.46 1.117 0.51
Calving Sub Index -1.24
Gestation Length (days) 1.35 -0.919 -1.24
Beef Sub Index -5.86
Carcass Weight (kg) 8.00 -0.528 -4.22
Age of Slaughter (days) 3.80 -0.432 -1.64
Maintenance Sub Index Maint. Sub Index -4.60
Live WT (kg) 15.00 -0.307 -4.60
Total Carbon Sub Index -8.67

* Based on an €80/tonne carbon price