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 3.84
Milk (kg) -98.00 -0.014 1.37
Fat (kg) -3.39 -0.375 1.27
Prot (kg) -2.72 -0.441 1.20
Fertility Sub Index 1.88
Calving Interval (days) -1.02 -1.459 1.49
Survival (%) 0.35 1.117 0.39
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.31
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 1.47 -0.432 -0.63
Maintenance Sub Index Maint. Sub Index 2.08
Live WT (kg) -6.80 -0.307 2.08
Total Carbon Sub Index 7.66

* Based on an €80/tonne carbon price