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 2.17
Milk (kg) -32.00 -0.014 0.45
Fat (kg) -3.11 -0.375 1.16
Prot (kg) -1.27 -0.441 0.56
Fertility Sub Index 1.03
Calving Interval (days) -0.78 -1.459 1.14
Survival (%) -0.10 1.117 -0.11
Calving Sub Index 2.02
Gestation Length (days) -2.20 -0.919 2.02
Beef Sub Index 3.67
Carcass Weight (kg) -7.30 -0.528 3.85
Age of Slaughter (days) 0.43 -0.432 -0.19
Maintenance Sub Index Maint. Sub Index 8.58
Live WT (kg) -28.00 -0.307 8.58
Total Carbon Sub Index 17.47

* Based on an €80/tonne carbon price