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 -3.99
Milk (kg) 104.00 -0.014 -1.46
Fat (kg) 3.32 -0.375 -1.24
Prot (kg) 2.93 -0.441 -1.29
Fertility Sub Index -5.15
Calving Interval (days) 2.51 -1.459 -3.66
Survival (%) -1.33 1.117 -1.49
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index 0.03
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 1.76 -0.432 -0.76
Maintenance Sub Index Maint. Sub Index 1.96
Live WT (kg) -6.40 -0.307 1.96
Total Carbon Sub Index -7.70

* Based on an €80/tonne carbon price