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 -2.74
Milk (kg) 1.00 -0.014 -0.01
Fat (kg) 3.86 -0.375 -1.45
Prot (kg) 2.91 -0.441 -1.28
Fertility Sub Index 5.59
Calving Interval (days) -3.00 -1.459 4.38
Survival (%) 1.09 1.117 1.22
Calving Sub Index 4.53
Gestation Length (days) -4.93 -0.919 4.53
Beef Sub Index 0.49
Carcass Weight (kg) -7.00 -0.528 3.69
Age of Slaughter (days) 7.42 -0.432 -3.20
Maintenance Sub Index Maint. Sub Index 3.68
Live WT (kg) -12.00 -0.307 3.68
Total Carbon Sub Index 11.55

* Based on an €80/tonne carbon price