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 4.77
Milk (kg) -19.00 -0.014 0.27
Fat (kg) -8.09 -0.375 3.03
Prot (kg) -3.35 -0.441 1.48
Fertility Sub Index -3.57
Calving Interval (days) 2.46 -1.459 -3.59
Survival (%) 0.02 1.117 0.02
Calving Sub Index 1.29
Gestation Length (days) -1.40 -0.919 1.29
Beef Sub Index 0.63
Carcass Weight (kg) -4.80 -0.528 2.53
Age of Slaughter (days) 4.41 -0.432 -1.90
Maintenance Sub Index Maint. Sub Index 1.99
Live WT (kg) -6.50 -0.307 1.99
Total Carbon Sub Index 5.12

* Based on an €80/tonne carbon price