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 2.03
Milk (kg) -26.00 -0.014 0.36
Fat (kg) -4.69 -0.375 1.76
Prot (kg) 0.21 -0.441 -0.09
Fertility Sub Index -3.96
Calving Interval (days) 2.04 -1.459 -2.98
Survival (%) -0.88 1.117 -0.98
Calving Sub Index -1.20
Gestation Length (days) 1.31 -0.919 -1.20
Beef Sub Index -2.90
Carcass Weight (kg) 3.50 -0.528 -1.85
Age of Slaughter (days) 2.44 -0.432 -1.05
Maintenance Sub Index Maint. Sub Index -1.50
Live WT (kg) 4.90 -0.307 -1.50
Total Carbon Sub Index -7.54

* Based on an €80/tonne carbon price