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 18.10
Milk (kg) -402.00 -0.014 5.63
Fat (kg) -20.28 -0.375 7.60
Prot (kg) -11.04 -0.441 4.87
Fertility Sub Index 1.05
Calving Interval (days) -1.02 -1.459 1.49
Survival (%) -0.39 1.117 -0.44
Calving Sub Index 1.22
Gestation Length (days) -1.33 -0.919 1.22
Beef Sub Index 0.24
Carcass Weight (kg) 1.40 -0.528 -0.74
Age of Slaughter (days) -2.26 -0.432 0.98
Maintenance Sub Index Maint. Sub Index 1.99
Live WT (kg) -6.50 -0.307 1.99
Total Carbon Sub Index 22.61

* Based on an €80/tonne carbon price