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 4.17
Milk (kg) -174.00 -0.014 2.44
Fat (kg) 2.11 -0.375 -0.79
Prot (kg) -5.73 -0.441 2.53
Fertility Sub Index 4.54
Calving Interval (days) -2.11 -1.459 3.08
Survival (%) 1.31 1.117 1.46
Calving Sub Index 2.94
Gestation Length (days) -3.20 -0.919 2.94
Beef Sub Index -2.01
Carcass Weight (kg) 1.20 -0.528 -0.63
Age of Slaughter (days) 3.20 -0.432 -1.38
Maintenance Sub Index Maint. Sub Index 2.91
Live WT (kg) -9.50 -0.307 2.91
Total Carbon Sub Index 12.55

* Based on an €80/tonne carbon price