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 6.09
Milk (kg) -145.00 -0.014 2.03
Fat (kg) -2.96 -0.375 1.11
Prot (kg) -6.68 -0.441 2.95
Fertility Sub Index 7.65
Calving Interval (days) -3.96 -1.459 5.78
Survival (%) 1.68 1.117 1.88
Calving Sub Index 2.69
Gestation Length (days) -2.93 -0.919 2.69
Beef Sub Index 1.15
Carcass Weight (kg) -4.60 -0.528 2.43
Age of Slaughter (days) 2.96 -0.432 -1.28
Maintenance Sub Index Maint. Sub Index 3.53
Live WT (kg) -11.50 -0.307 3.53
Total Carbon Sub Index 21.11

* Based on an €80/tonne carbon price