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 3.86
Milk (kg) -111.00 -0.014 1.55
Fat (kg) -1.50 -0.375 0.56
Prot (kg) -3.96 -0.441 1.75
Fertility Sub Index -1.02
Calving Interval (days) 0.65 -1.459 -0.95
Survival (%) -0.06 1.117 -0.07
Calving Sub Index -3.20
Gestation Length (days) 3.48 -0.919 -3.20
Beef Sub Index -4.71
Carcass Weight (kg) 9.30 -0.528 -4.91
Age of Slaughter (days) -0.46 -0.432 0.20
Maintenance Sub Index Maint. Sub Index -7.36
Live WT (kg) 24.00 -0.307 -7.36
Total Carbon Sub Index -12.42

* Based on an €80/tonne carbon price