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 6.42
Milk (kg) -90.00 -0.014 1.26
Fat (kg) -7.26 -0.375 2.72
Prot (kg) -5.52 -0.441 2.44
Fertility Sub Index 1.19
Calving Interval (days) -1.16 -1.459 1.69
Survival (%) -0.45 1.117 -0.50
Calving Sub Index 0.97
Gestation Length (days) -1.05 -0.919 0.97
Beef Sub Index 0.88
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 1.38 -0.432 -0.60
Maintenance Sub Index Maint. Sub Index 3.13
Live WT (kg) -10.20 -0.307 3.13
Total Carbon Sub Index 12.58

* Based on an €80/tonne carbon price