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 5.93
Milk (kg) -132.00 -0.014 1.85
Fat (kg) -4.11 -0.375 1.54
Prot (kg) -5.75 -0.441 2.54
Fertility Sub Index 0.31
Calving Interval (days) -0.32 -1.459 0.47
Survival (%) -0.14 1.117 -0.16
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.25
Carcass Weight (kg) -0.90 -0.528 0.47
Age of Slaughter (days) 1.67 -0.432 -0.72
Maintenance Sub Index Maint. Sub Index 1.38
Live WT (kg) -4.50 -0.307 1.38
Total Carbon Sub Index 6.90

* Based on an €80/tonne carbon price