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 2.74
Milk (kg) -97.00 -0.014 1.36
Fat (kg) -0.81 -0.375 0.30
Prot (kg) -2.44 -0.441 1.08
Fertility Sub Index 2.59
Calving Interval (days) -1.88 -1.459 2.74
Survival (%) -0.14 1.117 -0.16
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 1.59
Carcass Weight (kg) -3.30 -0.528 1.74
Age of Slaughter (days) 0.35 -0.432 -0.15
Maintenance Sub Index Maint. Sub Index 2.82
Live WT (kg) -9.20 -0.307 2.82
Total Carbon Sub Index 9.26

* Based on an €80/tonne carbon price