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 -3.05
Milk (kg) 25.00 -0.014 -0.35
Fat (kg) 6.61 -0.375 -2.48
Prot (kg) 0.51 -0.441 -0.23
Fertility Sub Index -1.82
Calving Interval (days) 1.03 -1.459 -1.50
Survival (%) -0.28 1.117 -0.31
Calving Sub Index 0.77
Gestation Length (days) -0.84 -0.919 0.77
Beef Sub Index 0.54
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 0.82 -0.432 -0.35
Maintenance Sub Index Maint. Sub Index -1.32
Live WT (kg) 4.30 -0.307 -1.32
Total Carbon Sub Index -4.87

* Based on an €80/tonne carbon price