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 4.27
Milk (kg) -84.00 -0.014 1.18
Fat (kg) -1.19 -0.375 0.45
Prot (kg) -6.01 -0.441 2.65
Fertility Sub Index -5.05
Calving Interval (days) 2.49 -1.459 -3.63
Survival (%) -1.27 1.117 -1.42
Calving Sub Index 1.13
Gestation Length (days) -1.23 -0.919 1.13
Beef Sub Index -3.54
Carcass Weight (kg) 3.90 -0.528 -2.06
Age of Slaughter (days) 3.44 -0.432 -1.49
Maintenance Sub Index Maint. Sub Index -0.58
Live WT (kg) 1.90 -0.307 -0.58
Total Carbon Sub Index -3.78

* Based on an €80/tonne carbon price