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 7.02
Milk (kg) -200.00 -0.014 2.80
Fat (kg) -3.84 -0.375 1.44
Prot (kg) -6.31 -0.441 2.78
Fertility Sub Index -0.15
Calving Interval (days) 0.34 -1.459 -0.50
Survival (%) 0.31 1.117 0.35
Calving Sub Index 0.36
Gestation Length (days) -0.39 -0.919 0.36
Beef Sub Index 0.37
Carcass Weight (kg) -1.20 -0.528 0.63
Age of Slaughter (days) 0.61 -0.432 -0.26
Maintenance Sub Index Maint. Sub Index 0.28
Live WT (kg) -0.90 -0.307 0.28
Total Carbon Sub Index 7.87

* Based on an €80/tonne carbon price