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 11.03
Milk (kg) -259.00 -0.014 3.63
Fat (kg) -9.26 -0.375 3.47
Prot (kg) -8.92 -0.441 3.94
Fertility Sub Index 6.53
Calving Interval (days) -3.92 -1.459 5.72
Survival (%) 0.73 1.117 0.82
Calving Sub Index -0.81
Gestation Length (days) 0.88 -0.919 -0.81
Beef Sub Index -2.44
Carcass Weight (kg) 2.60 -0.528 -1.37
Age of Slaughter (days) 2.48 -0.432 -1.07
Maintenance Sub Index Maint. Sub Index 1.59
Live WT (kg) -5.20 -0.307 1.59
Total Carbon Sub Index 15.91

* Based on an €80/tonne carbon price