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 22.03
Milk (kg) -423.00 -0.014 5.92
Fat (kg) -19.81 -0.375 7.42
Prot (kg) -19.69 -0.441 8.69
Fertility Sub Index 1.32
Calving Interval (days) -1.35 -1.459 1.97
Survival (%) -0.58 1.117 -0.65
Calving Sub Index 0.67
Gestation Length (days) -0.73 -0.919 0.67
Beef Sub Index 0.49
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) 2.52 -0.432 -1.09
Maintenance Sub Index Maint. Sub Index 2.02
Live WT (kg) -6.60 -0.307 2.02
Total Carbon Sub Index 26.54

* Based on an €80/tonne carbon price