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 8.59
Milk (kg) -122.00 -0.014 1.71
Fat (kg) -9.56 -0.375 3.58
Prot (kg) -7.47 -0.441 3.30
Fertility Sub Index -6.13
Calving Interval (days) 3.17 -1.459 -4.63
Survival (%) -1.35 1.117 -1.51
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index -0.88
Carcass Weight (kg) 0.30 -0.528 -0.16
Age of Slaughter (days) 1.67 -0.432 -0.72
Maintenance Sub Index Maint. Sub Index 1.10
Live WT (kg) -3.60 -0.307 1.10
Total Carbon Sub Index 2.13

* Based on an €80/tonne carbon price