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 2.82
Milk (kg) -107.00 -0.014 1.50
Fat (kg) 2.75 -0.375 -1.03
Prot (kg) -5.32 -0.441 2.35
Fertility Sub Index 7.32
Calving Interval (days) -4.78 -1.459 6.97
Survival (%) 0.31 1.117 0.35
Calving Sub Index 0.04
Gestation Length (days) -0.04 -0.919 0.04
Beef Sub Index 2.97
Carcass Weight (kg) -7.40 -0.528 3.90
Age of Slaughter (days) 2.16 -0.432 -0.93
Maintenance Sub Index Maint. Sub Index 7.66
Live WT (kg) -25.00 -0.307 7.66
Total Carbon Sub Index 20.81

* Based on an €80/tonne carbon price