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 5.76
Milk (kg) -155.00 -0.014 2.17
Fat (kg) -4.18 -0.375 1.57
Prot (kg) -4.58 -0.441 2.02
Fertility Sub Index -6.72
Calving Interval (days) 2.30 -1.459 -3.36
Survival (%) -3.01 1.117 -3.36
Calving Sub Index 0.27
Gestation Length (days) -0.29 -0.919 0.27
Beef Sub Index -2.19
Carcass Weight (kg) 3.60 -0.528 -1.90
Age of Slaughter (days) 0.67 -0.432 -0.29
Maintenance Sub Index Maint. Sub Index -2.24
Live WT (kg) 7.30 -0.307 -2.24
Total Carbon Sub Index -5.12

* Based on an €80/tonne carbon price