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 14.49
Milk (kg) -259.00 -0.014 3.63
Fat (kg) -18.23 -0.375 6.83
Prot (kg) -9.14 -0.441 4.03
Fertility Sub Index 6.61
Calving Interval (days) -3.93 -1.459 5.73
Survival (%) 0.78 1.117 0.87
Calving Sub Index -1.81
Gestation Length (days) 1.97 -0.919 -1.81
Beef Sub Index -2.16
Carcass Weight (kg) 2.60 -0.528 -1.37
Age of Slaughter (days) 1.82 -0.432 -0.79
Maintenance Sub Index Maint. Sub Index 0.21
Live WT (kg) -0.70 -0.307 0.21
Total Carbon Sub Index 17.34

* Based on an €80/tonne carbon price