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 6.47
Milk (kg) -124.00 -0.014 1.74
Fat (kg) -5.38 -0.375 2.02
Prot (kg) -6.17 -0.441 2.72
Fertility Sub Index 0.10
Calving Interval (days) -0.10 -1.459 0.15
Survival (%) -0.04 1.117 -0.04
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.02
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 2.12 -0.432 -0.92
Maintenance Sub Index Maint. Sub Index 0.06
Live WT (kg) -0.20 -0.307 0.06
Total Carbon Sub Index 6.15

* Based on an €80/tonne carbon price