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 5.15
Milk (kg) -118.00 -0.014 1.65
Fat (kg) -1.34 -0.375 0.50
Prot (kg) -6.78 -0.441 2.99
Fertility Sub Index 4.03
Calving Interval (days) -2.99 -1.459 4.36
Survival (%) -0.30 1.117 -0.34
Calving Sub Index 3.49
Gestation Length (days) -3.80 -0.919 3.49
Beef Sub Index 0.63
Carcass Weight (kg) -6.80 -0.528 3.59
Age of Slaughter (days) 6.84 -0.432 -2.95
Maintenance Sub Index Maint. Sub Index 3.89
Live WT (kg) -12.70 -0.307 3.89
Total Carbon Sub Index 17.20

* Based on an €80/tonne carbon price