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 10.76
Milk (kg) -175.00 -0.014 2.45
Fat (kg) -14.19 -0.375 5.32
Prot (kg) -6.79 -0.441 3.00
Fertility Sub Index 0.45
Calving Interval (days) 0.12 -1.459 -0.18
Survival (%) 0.56 1.117 0.63
Calving Sub Index 0.28
Gestation Length (days) -0.31 -0.919 0.28
Beef Sub Index 4.56
Carcass Weight (kg) -9.80 -0.528 5.17
Age of Slaughter (days) 1.42 -0.432 -0.61
Maintenance Sub Index Maint. Sub Index 7.02
Live WT (kg) -22.90 -0.307 7.02
Total Carbon Sub Index 23.07

* Based on an €80/tonne carbon price