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 3.04
Milk (kg) -54.00 -0.014 0.76
Fat (kg) -1.24 -0.375 0.46
Prot (kg) -4.13 -0.441 1.82
Fertility Sub Index -4.44
Calving Interval (days) 2.13 -1.459 -3.11
Survival (%) -1.19 1.117 -1.33
Calving Sub Index -0.44
Gestation Length (days) 0.48 -0.919 -0.44
Beef Sub Index 0.23
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 1.78 -0.432 -0.77
Maintenance Sub Index Maint. Sub Index 2.05
Live WT (kg) -6.70 -0.307 2.05
Total Carbon Sub Index 0.45

* Based on an €80/tonne carbon price