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 7.17
Milk (kg) -230.00 -0.014 3.22
Fat (kg) -3.44 -0.375 1.29
Prot (kg) -6.04 -0.441 2.67
Fertility Sub Index 2.46
Calving Interval (days) -1.18 -1.459 1.72
Survival (%) 0.66 1.117 0.74
Calving Sub Index 2.84
Gestation Length (days) -3.09 -0.919 2.84
Beef Sub Index 1.91
Carcass Weight (kg) -3.80 -0.528 2.00
Age of Slaughter (days) 0.23 -0.432 -0.10
Maintenance Sub Index Maint. Sub Index 6.50
Live WT (kg) -21.20 -0.307 6.50
Total Carbon Sub Index 20.88

* Based on an €80/tonne carbon price