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 -6.23
Milk (kg) 321.00 -0.014 -4.49
Fat (kg) 7.87 -0.375 -2.95
Prot (kg) -2.74 -0.441 1.21
Fertility Sub Index 0.15
Calving Interval (days) 0.06 -1.459 -0.09
Survival (%) 0.21 1.117 0.23
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.30
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 1.39 -0.432 -0.60
Maintenance Sub Index Maint. Sub Index 1.35
Live WT (kg) -4.40 -0.307 1.35
Total Carbon Sub Index -4.90

* Based on an €80/tonne carbon price