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 -6.45
Milk (kg) 88.00 -0.014 -1.23
Fat (kg) 8.99 -0.375 -3.37
Prot (kg) 4.20 -0.441 -1.85
Fertility Sub Index 8.52
Calving Interval (days) -4.07 -1.459 5.94
Survival (%) 2.31 1.117 2.58
Calving Sub Index -1.17
Gestation Length (days) 1.27 -0.919 -1.17
Beef Sub Index -2.34
Carcass Weight (kg) 5.60 -0.528 -2.95
Age of Slaughter (days) -1.43 -0.432 0.62
Maintenance Sub Index Maint. Sub Index -3.95
Live WT (kg) 12.90 -0.307 -3.95
Total Carbon Sub Index -5.40

* Based on an €80/tonne carbon price