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 2.25
Milk (kg) -30.00 -0.014 0.42
Fat (kg) -2.24 -0.375 0.84
Prot (kg) -2.24 -0.441 0.99
Fertility Sub Index 2.77
Calving Interval (days) -2.48 -1.459 3.62
Survival (%) -0.76 1.117 -0.85
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 1.20
Carcass Weight (kg) -1.30 -0.528 0.69
Age of Slaughter (days) -1.19 -0.432 0.51
Maintenance Sub Index Maint. Sub Index 2.15
Live WT (kg) -7.00 -0.307 2.15
Total Carbon Sub Index 7.89

* Based on an €80/tonne carbon price