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 4.74
Milk (kg) -159.00 -0.014 2.23
Fat (kg) -3.51 -0.375 1.31
Prot (kg) -2.72 -0.441 1.20
Fertility Sub Index 8.46
Calving Interval (days) -4.75 -1.459 6.93
Survival (%) 1.37 1.117 1.53
Calving Sub Index 1.19
Gestation Length (days) -1.29 -0.919 1.19
Beef Sub Index 2.08
Carcass Weight (kg) -4.90 -0.528 2.58
Age of Slaughter (days) 1.18 -0.432 -0.51
Maintenance Sub Index Maint. Sub Index 4.26
Live WT (kg) -13.90 -0.307 4.26
Total Carbon Sub Index 20.73

* Based on an €80/tonne carbon price