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 2.85
Milk (kg) -69.00 -0.014 0.97
Fat (kg) -1.63 -0.375 0.61
Prot (kg) -2.88 -0.441 1.27
Fertility Sub Index 5.83
Calving Interval (days) -2.31 -1.459 3.37
Survival (%) 2.20 1.117 2.46
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index -1.26
Carcass Weight (kg) 1.30 -0.528 -0.69
Age of Slaughter (days) 1.34 -0.432 -0.58
Maintenance Sub Index Maint. Sub Index 2.73
Live WT (kg) -8.90 -0.307 2.73
Total Carbon Sub Index 13.95

* Based on an €80/tonne carbon price