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 2.97
Milk (kg) -23.00 -0.014 0.32
Fat (kg) -7.06 -0.375 2.64
Prot (kg) 0.00 -0.441 0.00
Fertility Sub Index 5.10
Calving Interval (days) -2.97 -1.459 4.33
Survival (%) 0.69 1.117 0.77
Calving Sub Index 2.84
Gestation Length (days) -3.09 -0.919 2.84
Beef Sub Index 0.84
Carcass Weight (kg) -5.30 -0.528 2.80
Age of Slaughter (days) 4.54 -0.432 -1.96
Maintenance Sub Index Maint. Sub Index 6.84
Live WT (kg) -22.30 -0.307 6.84
Total Carbon Sub Index 18.59

* Based on an €80/tonne carbon price