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 6.96
Milk (kg) -121.00 -0.014 1.69
Fat (kg) -6.34 -0.375 2.37
Prot (kg) -6.55 -0.441 2.89
Fertility Sub Index 8.63
Calving Interval (days) -4.97 -1.459 7.25
Survival (%) 1.23 1.117 1.37
Calving Sub Index 0.89
Gestation Length (days) -0.97 -0.919 0.89
Beef Sub Index 0.73
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) 2.21 -0.432 -0.95
Maintenance Sub Index Maint. Sub Index 4.14
Live WT (kg) -13.50 -0.307 4.14
Total Carbon Sub Index 21.35

* Based on an €80/tonne carbon price