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 4.88
Milk (kg) -55.00 -0.014 0.77
Fat (kg) -7.68 -0.375 2.88
Prot (kg) -2.80 -0.441 1.24
Fertility Sub Index -4.68
Calving Interval (days) 2.36 -1.459 -3.44
Survival (%) -1.11 1.117 -1.24
Calving Sub Index -2.45
Gestation Length (days) 2.67 -0.919 -2.45
Beef Sub Index -4.75
Carcass Weight (kg) 4.60 -0.528 -2.43
Age of Slaughter (days) 5.38 -0.432 -2.32
Maintenance Sub Index Maint. Sub Index -1.13
Live WT (kg) 3.70 -0.307 -1.13
Total Carbon Sub Index -8.14

* Based on an €80/tonne carbon price