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 21.02
Milk (kg) -441.00 -0.014 6.17
Fat (kg) -17.52 -0.375 6.56
Prot (kg) -18.77 -0.441 8.28
Fertility Sub Index 8.93
Calving Interval (days) -5.15 -1.459 7.51
Survival (%) 1.27 1.117 1.42
Calving Sub Index 0.86
Gestation Length (days) -0.94 -0.919 0.86
Beef Sub Index 0.77
Carcass Weight (kg) 1.00 -0.528 -0.53
Age of Slaughter (days) -3.00 -0.432 1.30
Maintenance Sub Index Maint. Sub Index -0.18
Live WT (kg) 0.60 -0.307 -0.18
Total Carbon Sub Index 31.40

* Based on an €80/tonne carbon price