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 3.21
Milk (kg) -54.00 -0.014 0.76
Fat (kg) -3.37 -0.375 1.26
Prot (kg) -2.70 -0.441 1.19
Fertility Sub Index -5.45
Calving Interval (days) 2.76 -1.459 -4.03
Survival (%) -1.27 1.117 -1.42
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index 0.05
Carcass Weight (kg) -0.50 -0.528 0.26
Age of Slaughter (days) 0.50 -0.432 -0.22
Maintenance Sub Index Maint. Sub Index 1.56
Live WT (kg) -5.10 -0.307 1.56
Total Carbon Sub Index -1.18

* Based on an €80/tonne carbon price