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 3.13
Milk (kg) -49.00 -0.014 0.69
Fat (kg) -3.30 -0.375 1.24
Prot (kg) -2.74 -0.441 1.21
Fertility Sub Index -2.38
Calving Interval (days) 1.20 -1.459 -1.75
Survival (%) -0.56 1.117 -0.63
Calving Sub Index 2.06
Gestation Length (days) -2.24 -0.919 2.06
Beef Sub Index -0.20
Carcass Weight (kg) -3.50 -0.528 1.85
Age of Slaughter (days) 4.75 -0.432 -2.05
Maintenance Sub Index Maint. Sub Index 5.12
Live WT (kg) -16.70 -0.307 5.12
Total Carbon Sub Index 7.73

* Based on an €80/tonne carbon price