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 15.03
Milk (kg) -355.00 -0.014 4.97
Fat (kg) -12.48 -0.375 4.67
Prot (kg) -12.21 -0.441 5.39
Fertility Sub Index 0.13
Calving Interval (days) -1.03 -1.459 1.50
Survival (%) -1.23 1.117 -1.37
Calving Sub Index 1.02
Gestation Length (days) -1.11 -0.919 1.02
Beef Sub Index 2.62
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) -3.74 -0.432 1.61
Maintenance Sub Index Maint. Sub Index 4.29
Live WT (kg) -14.00 -0.307 4.29
Total Carbon Sub Index 23.09

* Based on an €80/tonne carbon price