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 -0.45
Milk (kg) 2.00 -0.014 -0.03
Fat (kg) -0.37 -0.375 0.14
Prot (kg) 1.26 -0.441 -0.56
Fertility Sub Index -8.31
Calving Interval (days) 4.31 -1.459 -6.29
Survival (%) -1.81 1.117 -2.02
Calving Sub Index 1.40
Gestation Length (days) -1.52 -0.919 1.40
Beef Sub Index 0.75
Carcass Weight (kg) -3.70 -0.528 1.95
Age of Slaughter (days) 2.79 -0.432 -1.20
Maintenance Sub Index Maint. Sub Index 2.70
Live WT (kg) -8.80 -0.307 2.70
Total Carbon Sub Index -3.91

* Based on an €80/tonne carbon price