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 8.50
Milk (kg) -394.00 -0.014 5.52
Fat (kg) -0.34 -0.375 0.13
Prot (kg) -6.47 -0.441 2.86
Fertility Sub Index 2.35
Calving Interval (days) -0.51 -1.459 0.74
Survival (%) 1.44 1.117 1.61
Calving Sub Index 1.20
Gestation Length (days) -1.31 -0.919 1.20
Beef Sub Index 5.83
Carcass Weight (kg) -18.20 -0.528 9.60
Age of Slaughter (days) 8.73 -0.432 -3.77
Maintenance Sub Index Maint. Sub Index 15.54
Live WT (kg) -50.70 -0.307 15.54
Total Carbon Sub Index 33.43

* Based on an €80/tonne carbon price