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 10.66
Milk (kg) -144.00 -0.014 2.02
Fat (kg) -12.14 -0.375 4.55
Prot (kg) -9.29 -0.441 4.10
Fertility Sub Index 1.12
Calving Interval (days) -1.45 -1.459 2.12
Survival (%) -0.89 1.117 -0.99
Calving Sub Index 1.54
Gestation Length (days) -1.68 -0.919 1.54
Beef Sub Index 3.27
Carcass Weight (kg) -5.80 -0.528 3.06
Age of Slaughter (days) -0.49 -0.432 0.21
Maintenance Sub Index Maint. Sub Index 4.54
Live WT (kg) -14.80 -0.307 4.54
Total Carbon Sub Index 21.14

* Based on an €80/tonne carbon price