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 14.54
Milk (kg) -304.00 -0.014 4.26
Fat (kg) -12.91 -0.375 4.84
Prot (kg) -12.35 -0.441 5.45
Fertility Sub Index 5.84
Calving Interval (days) -5.21 -1.459 7.60
Survival (%) -1.58 1.117 -1.77
Calving Sub Index -3.62
Gestation Length (days) 3.94 -0.919 -3.62
Beef Sub Index 1.67
Carcass Weight (kg) 0.30 -0.528 -0.16
Age of Slaughter (days) -4.23 -0.432 1.83
Maintenance Sub Index Maint. Sub Index 1.69
Live WT (kg) -5.50 -0.307 1.69
Total Carbon Sub Index 20.11

* Based on an €80/tonne carbon price