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 7.67
Milk (kg) -161.00 -0.014 2.25
Fat (kg) -6.45 -0.375 2.42
Prot (kg) -6.80 -0.441 3.00
Fertility Sub Index 1.65
Calving Interval (days) -0.95 -1.459 1.39
Survival (%) 0.24 1.117 0.27
Calving Sub Index -0.40
Gestation Length (days) 0.44 -0.919 -0.40
Beef Sub Index -0.53
Carcass Weight (kg) -0.80 -0.528 0.42
Age of Slaughter (days) 2.21 -0.432 -0.95
Maintenance Sub Index Maint. Sub Index 2.70
Live WT (kg) -8.80 -0.307 2.70
Total Carbon Sub Index 11.08

* Based on an €80/tonne carbon price