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 7.42
Milk (kg) -119.00 -0.014 1.67
Fat (kg) -6.84 -0.375 2.56
Prot (kg) -7.24 -0.441 3.20
Fertility Sub Index 4.55
Calving Interval (days) -2.43 -1.459 3.55
Survival (%) 0.90 1.117 1.01
Calving Sub Index -0.33
Gestation Length (days) 0.36 -0.919 -0.33
Beef Sub Index -0.11
Carcass Weight (kg) -1.40 -0.528 0.74
Age of Slaughter (days) 1.96 -0.432 -0.85
Maintenance Sub Index Maint. Sub Index 1.69
Live WT (kg) -5.50 -0.307 1.69
Total Carbon Sub Index 13.22

* Based on an €80/tonne carbon price