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 3.56
Milk (kg) 8.00 -0.014 -0.11
Fat (kg) -7.13 -0.375 2.67
Prot (kg) -2.26 -0.441 1.00
Fertility Sub Index -2.28
Calving Interval (days) 1.18 -1.459 -1.72
Survival (%) -0.50 1.117 -0.56
Calving Sub Index -0.34
Gestation Length (days) 0.37 -0.919 -0.34
Beef Sub Index -5.30
Carcass Weight (kg) 7.20 -0.528 -3.80
Age of Slaughter (days) 3.48 -0.432 -1.50
Maintenance Sub Index Maint. Sub Index -1.10
Live WT (kg) 3.60 -0.307 -1.10
Total Carbon Sub Index -5.47

* Based on an €80/tonne carbon price