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 11.72
Milk (kg) -133.00 -0.014 1.86
Fat (kg) -12.30 -0.375 4.61
Prot (kg) -11.89 -0.441 5.25
Fertility Sub Index 0.05
Calving Interval (days) 0.07 -1.459 -0.10
Survival (%) 0.14 1.117 0.16
Calving Sub Index 2.84
Gestation Length (days) -3.09 -0.919 2.84
Beef Sub Index 0.89
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 1.37 -0.432 -0.59
Maintenance Sub Index Maint. Sub Index 5.46
Live WT (kg) -17.80 -0.307 5.46
Total Carbon Sub Index 20.95

* Based on an €80/tonne carbon price