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 17.14
Milk (kg) -299.00 -0.014 4.19
Fat (kg) -20.37 -0.375 7.63
Prot (kg) -12.07 -0.441 5.33
Fertility Sub Index 6.75
Calving Interval (days) -4.57 -1.459 6.67
Survival (%) 0.07 1.117 0.08
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 0.05
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 3.43 -0.432 -1.48
Maintenance Sub Index Maint. Sub Index 5.73
Live WT (kg) -18.70 -0.307 5.73
Total Carbon Sub Index 33.36

* Based on an €80/tonne carbon price