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 9.02
Milk (kg) -108.00 -0.014 1.51
Fat (kg) -6.47 -0.375 2.42
Prot (kg) -11.52 -0.441 5.08
Fertility Sub Index 1.02
Calving Interval (days) -0.31 -1.459 0.45
Survival (%) 0.51 1.117 0.57
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.72
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 3.49 -0.432 -1.51
Maintenance Sub Index Maint. Sub Index 0.43
Live WT (kg) -1.40 -0.307 0.43
Total Carbon Sub Index 9.29

* Based on an €80/tonne carbon price