Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
Sep 2025 Milk Sub Index 1.00
Milk (kg) 107.00 -0.014 -1.50
Fat (kg) -2.86 -0.375 1.07
Prot (kg) -3.23 -0.441 1.43
Fertility Sub Index -8.20
Calving Interval (days) 4.63 -1.459 -6.76
Survival (%) -1.29 1.117 -1.44
Calving Sub Index 1.82
Gestation Length (days) -1.98 -0.919 1.82
Beef Sub Index 0.58
Carcass Weight (kg) -5.20 -0.528 2.74
Age of Slaughter (days) 5.02 -0.432 -2.17
Maintenance Sub Index Maint. Sub Index 1.32
Live WT (kg) -4.30 -0.307 1.32
Total Carbon Sub Index -3.49

* Based on an €80/tonne carbon price