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 0.83
Milk (kg) -2.00 -0.014 0.03
Fat (kg) -4.41 -0.375 1.65
Prot (kg) 1.93 -0.441 -0.85
Fertility Sub Index 3.49
Calving Interval (days) -2.28 -1.459 3.33
Survival (%) 0.15 1.117 0.17
Calving Sub Index 2.56
Gestation Length (days) -2.78 -0.919 2.56
Beef Sub Index -1.84
Carcass Weight (kg) 2.80 -0.528 -1.48
Age of Slaughter (days) 0.83 -0.432 -0.36
Maintenance Sub Index Maint. Sub Index -6.74
Live WT (kg) 22.00 -0.307 -6.74
Total Carbon Sub Index -1.71

* Based on an €80/tonne carbon price