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 1.15
Milk (kg) -90.00 -0.014 1.26
Fat (kg) -1.05 -0.375 0.39
Prot (kg) 1.14 -0.441 -0.50
Fertility Sub Index -4.67
Calving Interval (days) 2.28 -1.459 -3.33
Survival (%) -1.20 1.117 -1.34
Calving Sub Index 0.76
Gestation Length (days) -0.83 -0.919 0.76
Beef Sub Index -0.72
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 4.11 -0.432 -1.77
Maintenance Sub Index Maint. Sub Index 1.01
Live WT (kg) -3.30 -0.307 1.01
Total Carbon Sub Index -2.46

* Based on an €80/tonne carbon price