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 -5.04
Milk (kg) 98.00 -0.014 -1.37
Fat (kg) 7.58 -0.375 -2.84
Prot (kg) 1.88 -0.441 -0.83
Fertility Sub Index 1.75
Calving Interval (days) -0.96 -1.459 1.40
Survival (%) 0.31 1.117 0.35
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.01
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) 2.92 -0.432 -1.26
Maintenance Sub Index Maint. Sub Index 1.78
Live WT (kg) -5.80 -0.307 1.78
Total Carbon Sub Index -1.98

* Based on an €80/tonne carbon price