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 20.52
Milk (kg) -416.00 -0.014 5.82
Fat (kg) -18.65 -0.375 6.99
Prot (kg) -17.46 -0.441 7.71
Fertility Sub Index 5.09
Calving Interval (days) -2.46 -1.459 3.59
Survival (%) 1.34 1.117 1.50
Calving Sub Index -3.13
Gestation Length (days) 3.40 -0.919 -3.13
Beef Sub Index 4.07
Carcass Weight (kg) -4.70 -0.528 2.48
Age of Slaughter (days) -3.68 -0.432 1.59
Maintenance Sub Index Maint. Sub Index 3.95
Live WT (kg) -12.90 -0.307 3.95
Total Carbon Sub Index 30.50

* Based on an €80/tonne carbon price