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 1.31
Milk (kg) -19.00 -0.014 0.27
Fat (kg) -1.28 -0.375 0.48
Prot (kg) -1.29 -0.441 0.57
Fertility Sub Index 4.02
Calving Interval (days) -2.37 -1.459 3.46
Survival (%) 0.50 1.117 0.56
Calving Sub Index -0.25
Gestation Length (days) 0.27 -0.919 -0.25
Beef Sub Index 0.01
Carcass Weight (kg) -1.40 -0.528 0.74
Age of Slaughter (days) 1.68 -0.432 -0.73
Maintenance Sub Index Maint. Sub Index 2.88
Live WT (kg) -9.40 -0.307 2.88
Total Carbon Sub Index 7.98

* Based on an €80/tonne carbon price