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 2.35
Milk (kg) -65.00 -0.014 0.91
Fat (kg) -3.28 -0.375 1.23
Prot (kg) -0.48 -0.441 0.21
Fertility Sub Index 0.63
Calving Interval (days) -1.32 -1.459 1.93
Survival (%) -1.16 1.117 -1.30
Calving Sub Index 2.84
Gestation Length (days) -3.09 -0.919 2.84
Beef Sub Index 2.06
Carcass Weight (kg) -7.90 -0.528 4.17
Age of Slaughter (days) 4.87 -0.432 -2.10
Maintenance Sub Index Maint. Sub Index 1.35
Live WT (kg) -4.40 -0.307 1.35
Total Carbon Sub Index 9.23

* Based on an €80/tonne carbon price