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 6.68
Milk (kg) -256.00 -0.014 3.58
Fat (kg) -4.46 -0.375 1.67
Prot (kg) -3.23 -0.441 1.43
Fertility Sub Index 6.26
Calving Interval (days) -4.05 -1.459 5.91
Survival (%) 0.31 1.117 0.35
Calving Sub Index 0.67
Gestation Length (days) -0.73 -0.919 0.67
Beef Sub Index 3.81
Carcass Weight (kg) -6.60 -0.528 3.48
Age of Slaughter (days) -0.75 -0.432 0.32
Maintenance Sub Index Maint. Sub Index 3.65
Live WT (kg) -11.90 -0.307 3.65
Total Carbon Sub Index 21.06

* Based on an €80/tonne carbon price