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 5.15
Milk (kg) -66.00 -0.014 0.92
Fat (kg) -1.54 -0.375 0.58
Prot (kg) -8.27 -0.441 3.65
Fertility Sub Index 1.03
Calving Interval (days) 0.09 -1.459 -0.13
Survival (%) 1.04 1.117 1.16
Calving Sub Index 0.04
Gestation Length (days) -0.04 -0.919 0.04
Beef Sub Index 0.18
Carcass Weight (kg) -4.00 -0.528 2.11
Age of Slaughter (days) 4.46 -0.432 -1.93
Maintenance Sub Index Maint. Sub Index -0.18
Live WT (kg) 0.60 -0.307 -0.18
Total Carbon Sub Index 6.21

* Based on an €80/tonne carbon price