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 14.15
Milk (kg) -492.00 -0.014 6.89
Fat (kg) -7.20 -0.375 2.70
Prot (kg) -10.35 -0.441 4.57
Fertility Sub Index 6.14
Calving Interval (days) -3.78 -1.459 5.52
Survival (%) 0.56 1.117 0.63
Calving Sub Index 0.83
Gestation Length (days) -0.90 -0.919 0.83
Beef Sub Index 0.36
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 1.00 -0.432 -0.43
Maintenance Sub Index Maint. Sub Index 2.73
Live WT (kg) -8.90 -0.307 2.73
Total Carbon Sub Index 24.21

* Based on an €80/tonne carbon price