Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index 6.68
Milk (kg) -62.00 -0.014 0.87
Fat (kg) -5.40 -0.375 2.02
Prot (kg) -8.59 -0.441 3.79
Fertility Sub Index 1.18
Calving Interval (days) -0.64 -1.459 0.93
Survival (%) 0.22 1.117 0.25
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.22
Carcass Weight (kg) -1.20 -0.528 0.63
Age of Slaughter (days) 1.97 -0.432 -0.85
Maintenance Sub Index Maint. Sub Index 2.21
Live WT (kg) -7.20 -0.307 2.21
Total Carbon Sub Index 9.38

* Based on an €80/tonne carbon price