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 -5.85
Milk (kg) -1.00 -0.014 0.01
Fat (kg) 4.26 -0.375 -1.60
Prot (kg) 9.66 -0.441 -4.26
Fertility Sub Index 6.20
Calving Interval (days) -3.42 -1.459 4.99
Survival (%) 1.08 1.117 1.21
Calving Sub Index 3.94
Gestation Length (days) -4.29 -0.919 3.94
Beef Sub Index 1.66
Carcass Weight (kg) -6.40 -0.528 3.38
Age of Slaughter (days) 3.97 -0.432 -1.71
Maintenance Sub Index Maint. Sub Index 1.23
Live WT (kg) -4.00 -0.307 1.23
Total Carbon Sub Index 7.19

* Based on an €80/tonne carbon price