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 0.28
Milk (kg) -12.00 -0.014 0.17
Fat (kg) 1.21 -0.375 -0.45
Prot (kg) -1.29 -0.441 0.57
Fertility Sub Index -2.17
Calving Interval (days) 1.03 -1.459 -1.50
Survival (%) -0.60 1.117 -0.67
Calving Sub Index 0.58
Gestation Length (days) -0.63 -0.919 0.58
Beef Sub Index 0.16
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 3.05 -0.432 -1.32
Maintenance Sub Index Maint. Sub Index 1.96
Live WT (kg) -6.40 -0.307 1.96
Total Carbon Sub Index 0.81

* Based on an €80/tonne carbon price