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 -7.64
Milk (kg) -28.00 -0.014 0.39
Fat (kg) 11.93 -0.375 -4.47
Prot (kg) 8.07 -0.441 -3.56
Fertility Sub Index 2.53
Calving Interval (days) -1.95 -1.459 2.85
Survival (%) -0.28 1.117 -0.31
Calving Sub Index 4.62
Gestation Length (days) -5.03 -0.919 4.62
Beef Sub Index 4.05
Carcass Weight (kg) -10.00 -0.528 5.28
Age of Slaughter (days) 2.83 -0.432 -1.22
Maintenance Sub Index Maint. Sub Index 0.92
Live WT (kg) -3.00 -0.307 0.92
Total Carbon Sub Index 4.50

* Based on an €80/tonne carbon price