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 4.88
Milk (kg) -192.00 -0.014 2.69
Fat (kg) -1.09 -0.375 0.41
Prot (kg) -4.05 -0.441 1.79
Fertility Sub Index 1.92
Calving Interval (days) -1.11 -1.459 1.62
Survival (%) 0.27 1.117 0.30
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.13
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 2.14 -0.432 -0.92
Maintenance Sub Index Maint. Sub Index 2.02
Live WT (kg) -6.60 -0.307 2.02
Total Carbon Sub Index 8.48

* Based on an €80/tonne carbon price