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 17.61
Milk (kg) -316.00 -0.014 4.42
Fat (kg) -16.41 -0.375 6.15
Prot (kg) -15.96 -0.441 7.04
Fertility Sub Index 1.26
Calving Interval (days) -1.37 -1.459 2.00
Survival (%) -0.66 1.117 -0.74
Calving Sub Index 0.38
Gestation Length (days) -0.41 -0.919 0.38
Beef Sub Index 1.50
Carcass Weight (kg) -3.70 -0.528 1.95
Age of Slaughter (days) 1.05 -0.432 -0.45
Maintenance Sub Index Maint. Sub Index 3.22
Live WT (kg) -10.50 -0.307 3.22
Total Carbon Sub Index 23.98

* Based on an €80/tonne carbon price