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 8.44
Milk (kg) -271.00 -0.014 3.79
Fat (kg) -4.63 -0.375 1.73
Prot (kg) -6.60 -0.441 2.91
Fertility Sub Index 0.29
Calving Interval (days) 0.23 -1.459 -0.34
Survival (%) 0.56 1.117 0.63
Calving Sub Index 1.54
Gestation Length (days) -1.68 -0.919 1.54
Beef Sub Index -2.35
Carcass Weight (kg) 1.90 -0.528 -1.00
Age of Slaughter (days) 3.13 -0.432 -1.35
Maintenance Sub Index Maint. Sub Index -1.84
Live WT (kg) 6.00 -0.307 -1.84
Total Carbon Sub Index 6.08

* Based on an €80/tonne carbon price