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 5.39
Milk (kg) -159.00 -0.014 2.23
Fat (kg) -4.69 -0.375 1.76
Prot (kg) -3.19 -0.441 1.41
Fertility Sub Index 4.19
Calving Interval (days) -2.30 -1.459 3.36
Survival (%) 0.75 1.117 0.84
Calving Sub Index -2.12
Gestation Length (days) 2.31 -0.919 -2.12
Beef Sub Index -1.21
Carcass Weight (kg) 5.60 -0.528 -2.95
Age of Slaughter (days) -4.05 -0.432 1.75
Maintenance Sub Index Maint. Sub Index -5.09
Live WT (kg) 16.60 -0.307 -5.09
Total Carbon Sub Index 1.16

* Based on an €80/tonne carbon price