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 1.20
Milk (kg) -15.00 -0.014 0.21
Fat (kg) -1.11 -0.375 0.42
Prot (kg) -1.29 -0.441 0.57
Fertility Sub Index 2.21
Calving Interval (days) -1.34 -1.459 1.96
Survival (%) 0.23 1.117 0.26
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.62
Carcass Weight (kg) -1.20 -0.528 0.63
Age of Slaughter (days) 0.04 -0.432 -0.02
Maintenance Sub Index Maint. Sub Index 2.33
Live WT (kg) -7.60 -0.307 2.33
Total Carbon Sub Index 5.88

* Based on an €80/tonne carbon price