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 11.11
Milk (kg) -136.00 -0.014 1.90
Fat (kg) -15.55 -0.375 5.82
Prot (kg) -7.67 -0.441 3.39
Fertility Sub Index -0.86
Calving Interval (days) -0.34 -1.459 0.50
Survival (%) -1.21 1.117 -1.35
Calving Sub Index -1.64
Gestation Length (days) 1.78 -0.919 -1.64
Beef Sub Index -1.94
Carcass Weight (kg) 4.50 -0.528 -2.37
Age of Slaughter (days) -1.01 -0.432 0.44
Maintenance Sub Index Maint. Sub Index 1.23
Live WT (kg) -4.00 -0.307 1.23
Total Carbon Sub Index 7.91

* Based on an €80/tonne carbon price