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 2.94
Milk (kg) -136.00 -0.014 1.90
Fat (kg) -1.20 -0.375 0.45
Prot (kg) -1.33 -0.441 0.59
Fertility Sub Index -7.56
Calving Interval (days) 3.04 -1.459 -4.44
Survival (%) -2.80 1.117 -3.13
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index 0.03
Carcass Weight (kg) 1.40 -0.528 -0.74
Age of Slaughter (days) -1.77 -0.432 0.76
Maintenance Sub Index Maint. Sub Index -3.03
Live WT (kg) 9.90 -0.307 -3.03
Total Carbon Sub Index -8.18

* Based on an €80/tonne carbon price