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 4.35
Milk (kg) -40.00 -0.014 0.56
Fat (kg) -6.63 -0.375 2.48
Prot (kg) -2.95 -0.441 1.30
Fertility Sub Index -0.40
Calving Interval (days) 0.06 -1.459 -0.09
Survival (%) -0.28 1.117 -0.31
Calving Sub Index -1.74
Gestation Length (days) 1.89 -0.919 -1.74
Beef Sub Index -3.07
Carcass Weight (kg) 9.10 -0.528 -4.80
Age of Slaughter (days) -4.01 -0.432 1.73
Maintenance Sub Index Maint. Sub Index -6.84
Live WT (kg) 22.30 -0.307 -6.84
Total Carbon Sub Index -7.70

* Based on an €80/tonne carbon price