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 3.41
Milk (kg) -76.00 -0.014 1.06
Fat (kg) -2.92 -0.375 1.09
Prot (kg) -2.84 -0.441 1.25
Fertility Sub Index -0.40
Calving Interval (days) -0.55 -1.459 0.80
Survival (%) -1.08 1.117 -1.21
Calving Sub Index 0.75
Gestation Length (days) -0.82 -0.919 0.75
Beef Sub Index 1.03
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) 1.29 -0.432 -0.56
Maintenance Sub Index Maint. Sub Index 2.76
Live WT (kg) -9.00 -0.307 2.76
Total Carbon Sub Index 7.54

* Based on an €80/tonne carbon price