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 13.08
Milk (kg) -178.00 -0.014 2.49
Fat (kg) -15.51 -0.375 5.81
Prot (kg) -10.82 -0.441 4.78
Fertility Sub Index 1.99
Calving Interval (days) -1.56 -1.459 2.28
Survival (%) -0.26 1.117 -0.29
Calving Sub Index 0.63
Gestation Length (days) -0.69 -0.919 0.63
Beef Sub Index 1.54
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) 0.10 -0.432 -0.04
Maintenance Sub Index Maint. Sub Index 2.54
Live WT (kg) -8.30 -0.307 2.54
Total Carbon Sub Index 19.78

* Based on an €80/tonne carbon price