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 15.11
Milk (kg) -331.00 -0.014 4.63
Fat (kg) -13.55 -0.375 5.08
Prot (kg) -12.24 -0.441 5.40
Fertility Sub Index 1.76
Calving Interval (days) -0.83 -1.459 1.21
Survival (%) 0.49 1.117 0.55
Calving Sub Index -2.91
Gestation Length (days) 3.17 -0.919 -2.91
Beef Sub Index 4.53
Carcass Weight (kg) -4.40 -0.528 2.32
Age of Slaughter (days) -5.12 -0.432 2.21
Maintenance Sub Index Maint. Sub Index 4.60
Live WT (kg) -15.00 -0.307 4.60
Total Carbon Sub Index 23.09

* Based on an €80/tonne carbon price