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 5.49
Milk (kg) -93.00 -0.014 1.30
Fat (kg) -4.06 -0.375 1.52
Prot (kg) -6.04 -0.441 2.67
Fertility Sub Index 1.32
Calving Interval (days) -0.70 -1.459 1.02
Survival (%) 0.27 1.117 0.30
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.64
Carcass Weight (kg) -0.40 -0.528 0.21
Age of Slaughter (days) 1.96 -0.432 -0.85
Maintenance Sub Index Maint. Sub Index 1.47
Live WT (kg) -4.80 -0.307 1.47
Total Carbon Sub Index 7.18

* Based on an €80/tonne carbon price