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 22.19
Milk (kg) -439.00 -0.014 6.15
Fat (kg) -20.73 -0.375 7.76
Prot (kg) -18.76 -0.441 8.28
Fertility Sub Index 4.28
Calving Interval (days) -2.29 -1.459 3.34
Survival (%) 0.84 1.117 0.94
Calving Sub Index -0.40
Gestation Length (days) 0.43 -0.919 -0.40
Beef Sub Index -2.93
Carcass Weight (kg) 6.20 -0.528 -3.27
Age of Slaughter (days) -0.79 -0.432 0.34
Maintenance Sub Index Maint. Sub Index -1.20
Live WT (kg) 3.90 -0.307 -1.20
Total Carbon Sub Index 21.95

* Based on an €80/tonne carbon price