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 2.72
Milk (kg) -54.00 -0.014 0.76
Fat (kg) -1.51 -0.375 0.57
Prot (kg) -3.16 -0.441 1.39
Fertility Sub Index 4.79
Calving Interval (days) -1.70 -1.459 2.48
Survival (%) 2.07 1.117 2.31
Calving Sub Index -0.94
Gestation Length (days) 1.02 -0.919 -0.94
Beef Sub Index 3.52
Carcass Weight (kg) -6.00 -0.528 3.17
Age of Slaughter (days) -0.83 -0.432 0.36
Maintenance Sub Index Maint. Sub Index 4.90
Live WT (kg) -16.00 -0.307 4.90
Total Carbon Sub Index 15.00

* Based on an €80/tonne carbon price