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 4.98
Milk (kg) -99.00 -0.014 1.39
Fat (kg) -4.36 -0.375 1.63
Prot (kg) -4.45 -0.441 1.96
Fertility Sub Index 1.30
Calving Interval (days) -0.44 -1.459 0.64
Survival (%) 0.59 1.117 0.66
Calving Sub Index 2.84
Gestation Length (days) -3.09 -0.919 2.84
Beef Sub Index 0.09
Carcass Weight (kg) -3.30 -0.528 1.74
Age of Slaughter (days) 3.83 -0.432 -1.65
Maintenance Sub Index Maint. Sub Index 6.38
Live WT (kg) -20.80 -0.307 6.38
Total Carbon Sub Index 15.59

* Based on an €80/tonne carbon price