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 18.17
Milk (kg) -300.00 -0.014 4.20
Fat (kg) -18.25 -0.375 6.84
Prot (kg) -16.16 -0.441 7.13
Fertility Sub Index 3.19
Calving Interval (days) -1.55 -1.459 2.26
Survival (%) 0.83 1.117 0.93
Calving Sub Index -2.22
Gestation Length (days) 2.41 -0.919 -2.22
Beef Sub Index -1.15
Carcass Weight (kg) -1.40 -0.528 0.74
Age of Slaughter (days) 4.38 -0.432 -1.89
Maintenance Sub Index Maint. Sub Index 4.87
Live WT (kg) -15.90 -0.307 4.87
Total Carbon Sub Index 22.87

* Based on an €80/tonne carbon price