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 4.17
Milk (kg) -106.00 -0.014 1.48
Fat (kg) -2.94 -0.375 1.10
Prot (kg) -3.60 -0.441 1.59
Fertility Sub Index -1.26
Calving Interval (days) 1.04 -1.459 -1.52
Survival (%) 0.23 1.117 0.26
Calving Sub Index 0.79
Gestation Length (days) -0.86 -0.919 0.79
Beef Sub Index -1.13
Carcass Weight (kg) -3.90 -0.528 2.06
Age of Slaughter (days) 7.38 -0.432 -3.19
Maintenance Sub Index Maint. Sub Index 7.14
Live WT (kg) -23.30 -0.307 7.14
Total Carbon Sub Index 9.71

* Based on an €80/tonne carbon price