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 8.28
Milk (kg) -107.00 -0.014 1.50
Fat (kg) -9.48 -0.375 3.55
Prot (kg) -7.31 -0.441 3.23
Fertility Sub Index -0.01
Calving Interval (days) -2.14 -1.459 3.12
Survival (%) -2.80 1.117 -3.13
Calving Sub Index -3.65
Gestation Length (days) 3.97 -0.919 -3.65
Beef Sub Index 2.54
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) -4.06 -0.432 1.75
Maintenance Sub Index Maint. Sub Index 1.93
Live WT (kg) -6.30 -0.307 1.93
Total Carbon Sub Index 9.09

* Based on an €80/tonne carbon price