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 3.89
Milk (kg) -72.00 -0.014 1.01
Fat (kg) -4.00 -0.375 1.50
Prot (kg) -3.13 -0.441 1.38
Fertility Sub Index 5.08
Calving Interval (days) -3.29 -1.459 4.80
Survival (%) 0.25 1.117 0.28
Calving Sub Index 5.18
Gestation Length (days) -5.64 -0.919 5.18
Beef Sub Index 2.08
Carcass Weight (kg) -5.70 -0.528 3.01
Age of Slaughter (days) 2.14 -0.432 -0.92
Maintenance Sub Index Maint. Sub Index 6.65
Live WT (kg) -21.70 -0.307 6.65
Total Carbon Sub Index 22.88

* Based on an €80/tonne carbon price