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 9.81
Milk (kg) -103.00 -0.014 1.44
Fat (kg) -13.94 -0.375 5.22
Prot (kg) -7.13 -0.441 3.15
Fertility Sub Index 0.06
Calving Interval (days) 0.28 -1.459 -0.41
Survival (%) 0.42 1.117 0.47
Calving Sub Index -0.97
Gestation Length (days) 1.05 -0.919 -0.97
Beef Sub Index -3.73
Carcass Weight (kg) 6.40 -0.528 -3.38
Age of Slaughter (days) 0.81 -0.432 -0.35
Maintenance Sub Index Maint. Sub Index 1.29
Live WT (kg) -4.20 -0.307 1.29
Total Carbon Sub Index 6.46

* Based on an €80/tonne carbon price