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 1.59
Milk (kg) -1.00 -0.014 0.01
Fat (kg) -4.67 -0.375 1.75
Prot (kg) 0.39 -0.441 -0.17
Fertility Sub Index 2.36
Calving Interval (days) -1.29 -1.459 1.88
Survival (%) 0.43 1.117 0.48
Calving Sub Index -0.48
Gestation Length (days) 0.52 -0.919 -0.48
Beef Sub Index -6.33
Carcass Weight (kg) 11.30 -0.528 -5.96
Age of Slaughter (days) 0.86 -0.432 -0.37
Maintenance Sub Index Maint. Sub Index -9.56
Live WT (kg) 31.20 -0.307 -9.56
Total Carbon Sub Index -12.42

* Based on an €80/tonne carbon price