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 2.91
Milk (kg) -42.00 -0.014 0.59
Fat (kg) -2.83 -0.375 1.06
Prot (kg) -2.86 -0.441 1.26
Fertility Sub Index 1.23
Calving Interval (days) -1.05 -1.459 1.53
Survival (%) -0.27 1.117 -0.30
Calving Sub Index 0.51
Gestation Length (days) -0.56 -0.919 0.51
Beef Sub Index 1.49
Carcass Weight (kg) -3.70 -0.528 1.95
Age of Slaughter (days) 1.08 -0.432 -0.47
Maintenance Sub Index Maint. Sub Index 3.74
Live WT (kg) -12.20 -0.307 3.74
Total Carbon Sub Index 9.88

* Based on an €80/tonne carbon price