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 4.31
Milk (kg) -43.00 -0.014 0.60
Fat (kg) -4.58 -0.375 1.72
Prot (kg) -4.52 -0.441 1.99
Fertility Sub Index 6.59
Calving Interval (days) -3.88 -1.459 5.66
Survival (%) 0.83 1.117 0.93
Calving Sub Index 0.67
Gestation Length (days) -0.73 -0.919 0.67
Beef Sub Index -0.16
Carcass Weight (kg) -1.40 -0.528 0.74
Age of Slaughter (days) 2.09 -0.432 -0.90
Maintenance Sub Index Maint. Sub Index 2.94
Live WT (kg) -9.60 -0.307 2.94
Total Carbon Sub Index 14.35

* Based on an €80/tonne carbon price