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 8.73
Milk (kg) -180.00 -0.014 2.52
Fat (kg) -9.18 -0.375 3.44
Prot (kg) -6.28 -0.441 2.77
Fertility Sub Index -18.26
Calving Interval (days) 9.29 -1.459 -13.55
Survival (%) -4.21 1.117 -4.70
Calving Sub Index 1.56
Gestation Length (days) -1.70 -0.919 1.56
Beef Sub Index -2.65
Carcass Weight (kg) 3.50 -0.528 -1.85
Age of Slaughter (days) 1.87 -0.432 -0.81
Maintenance Sub Index Maint. Sub Index -2.39
Live WT (kg) 7.80 -0.307 -2.39
Total Carbon Sub Index -13.02

* Based on an €80/tonne carbon price