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 1.14
Milk (kg) -87.00 -0.014 1.22
Fat (kg) 1.44 -0.375 -0.54
Prot (kg) -1.04 -0.441 0.46
Fertility Sub Index 5.18
Calving Interval (days) -2.87 -1.459 4.19
Survival (%) 0.89 1.117 0.99
Calving Sub Index 0.82
Gestation Length (days) -0.89 -0.919 0.82
Beef Sub Index 1.75
Carcass Weight (kg) -4.60 -0.528 2.43
Age of Slaughter (days) 1.57 -0.432 -0.68
Maintenance Sub Index Maint. Sub Index 2.91
Live WT (kg) -9.50 -0.307 2.91
Total Carbon Sub Index 11.79

* Based on an €80/tonne carbon price