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 3.77
Milk (kg) -76.00 -0.014 1.06
Fat (kg) -3.33 -0.375 1.25
Prot (kg) -3.31 -0.441 1.46
Fertility Sub Index -1.27
Calving Interval (days) 0.36 -1.459 -0.53
Survival (%) -0.67 1.117 -0.75
Calving Sub Index -0.26
Gestation Length (days) 0.28 -0.919 -0.26
Beef Sub Index 0.51
Carcass Weight (kg) -2.20 -0.528 1.16
Age of Slaughter (days) 1.50 -0.432 -0.65
Maintenance Sub Index Maint. Sub Index 2.85
Live WT (kg) -9.30 -0.307 2.85
Total Carbon Sub Index 5.61

* Based on an €80/tonne carbon price