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 2.43
Milk (kg) -33.00 -0.014 0.46
Fat (kg) -2.78 -0.375 1.04
Prot (kg) -2.09 -0.441 0.92
Fertility Sub Index 3.94
Calving Interval (days) -1.70 -1.459 2.48
Survival (%) 1.31 1.117 1.46
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.65
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 1.91 -0.432 -0.82
Maintenance Sub Index Maint. Sub Index 3.37
Live WT (kg) -11.00 -0.307 3.37
Total Carbon Sub Index 14.20

* Based on an €80/tonne carbon price