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 19.00
Milk (kg) -240.00 -0.014 3.36
Fat (kg) -24.60 -0.375 9.21
Prot (kg) -14.56 -0.441 6.43
Fertility Sub Index 4.86
Calving Interval (days) -3.63 -1.459 5.30
Survival (%) -0.39 1.117 -0.44
Calving Sub Index -0.65
Gestation Length (days) 0.71 -0.919 -0.65
Beef Sub Index -0.25
Carcass Weight (kg) 1.80 -0.528 -0.95
Age of Slaughter (days) -1.62 -0.432 0.70
Maintenance Sub Index Maint. Sub Index 0.80
Live WT (kg) -2.60 -0.307 0.80
Total Carbon Sub Index 23.76

* Based on an €80/tonne carbon price