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 7.31
Milk (kg) -285.00 -0.014 3.99
Fat (kg) -1.39 -0.375 0.52
Prot (kg) -6.35 -0.441 2.80
Fertility Sub Index 9.44
Calving Interval (days) -6.14 -1.459 8.96
Survival (%) 0.43 1.117 0.48
Calving Sub Index 0.51
Gestation Length (days) -0.55 -0.919 0.51
Beef Sub Index 1.07
Carcass Weight (kg) -9.30 -0.528 4.91
Age of Slaughter (days) 8.89 -0.432 -3.84
Maintenance Sub Index Maint. Sub Index 10.85
Live WT (kg) -35.40 -0.307 10.85
Total Carbon Sub Index 29.18

* Based on an €80/tonne carbon price