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 16.25
Milk (kg) -326.00 -0.014 4.56
Fat (kg) -17.34 -0.375 6.49
Prot (kg) -11.77 -0.441 5.19
Fertility Sub Index 4.64
Calving Interval (days) -3.02 -1.459 4.41
Survival (%) 0.21 1.117 0.23
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 0.80
Carcass Weight (kg) -3.70 -0.528 1.95
Age of Slaughter (days) 2.67 -0.432 -1.15
Maintenance Sub Index Maint. Sub Index 5.09
Live WT (kg) -16.60 -0.307 5.09
Total Carbon Sub Index 30.48

* Based on an €80/tonne carbon price