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 1.94
Milk (kg) -22.00 -0.014 0.31
Fat (kg) -1.93 -0.375 0.72
Prot (kg) -2.06 -0.441 0.91
Fertility Sub Index 3.64
Calving Interval (days) -2.03 -1.459 2.96
Survival (%) 0.61 1.117 0.68
Calving Sub Index 0.18
Gestation Length (days) -0.20 -0.919 0.18
Beef Sub Index 1.02
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 0.09 -0.432 -0.04
Maintenance Sub Index Maint. Sub Index 2.99
Live WT (kg) -9.75 -0.307 2.99
Total Carbon Sub Index 9.78

* Based on an €80/tonne carbon price