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 5.92
Milk (kg) -133.00 -0.014 1.86
Fat (kg) -6.44 -0.375 2.41
Prot (kg) -3.73 -0.441 1.65
Fertility Sub Index 2.75
Calving Interval (days) -2.56 -1.459 3.74
Survival (%) -0.88 1.117 -0.98
Calving Sub Index 0.75
Gestation Length (days) -0.82 -0.919 0.75
Beef Sub Index 0.36
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 2.21 -0.432 -0.95
Maintenance Sub Index Maint. Sub Index 2.24
Live WT (kg) -7.30 -0.307 2.24
Total Carbon Sub Index 12.03

* Based on an €80/tonne carbon price