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 2.63
Milk (kg) -10.00 -0.014 0.14
Fat (kg) -2.31 -0.375 0.87
Prot (kg) -3.69 -0.441 1.63
Fertility Sub Index -8.31
Calving Interval (days) 4.37 -1.459 -6.38
Survival (%) -1.73 1.117 -1.93
Calving Sub Index 1.24
Gestation Length (days) -1.35 -0.919 1.24
Beef Sub Index -1.01
Carcass Weight (kg) -5.50 -0.528 2.90
Age of Slaughter (days) 9.07 -0.432 -3.92
Maintenance Sub Index Maint. Sub Index 1.56
Live WT (kg) -5.10 -0.307 1.56
Total Carbon Sub Index -3.89

* Based on an €80/tonne carbon price