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 1.82
Milk (kg) -25.00 -0.014 0.35
Fat (kg) -1.64 -0.375 0.61
Prot (kg) -1.95 -0.441 0.86
Fertility Sub Index -2.35
Calving Interval (days) 1.92 -1.459 -2.80
Survival (%) 0.40 1.117 0.45
Calving Sub Index 3.56
Gestation Length (days) -3.87 -0.919 3.56
Beef Sub Index -1.37
Carcass Weight (kg) 1.70 -0.528 -0.90
Age of Slaughter (days) 1.09 -0.432 -0.47
Maintenance Sub Index Maint. Sub Index -4.17
Live WT (kg) 13.60 -0.307 -4.17
Total Carbon Sub Index -2.51

* Based on an €80/tonne carbon price