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 7.02
Milk (kg) -134.00 -0.014 1.88
Fat (kg) -6.62 -0.375 2.48
Prot (kg) -6.04 -0.441 2.67
Fertility Sub Index 0.13
Calving Interval (days) -1.31 -1.459 1.91
Survival (%) -1.59 1.117 -1.78
Calving Sub Index -0.29
Gestation Length (days) 0.32 -0.919 -0.29
Beef Sub Index 3.02
Carcass Weight (kg) -4.80 -0.528 2.53
Age of Slaughter (days) -1.13 -0.432 0.49
Maintenance Sub Index Maint. Sub Index 3.77
Live WT (kg) -12.30 -0.307 3.77
Total Carbon Sub Index 13.66

* Based on an €80/tonne carbon price