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 2.66
Milk (kg) -134.00 -0.014 1.88
Fat (kg) 0.83 -0.375 -0.31
Prot (kg) -2.47 -0.441 1.09
Fertility Sub Index 8.72
Calving Interval (days) -5.16 -1.459 7.53
Survival (%) 1.07 1.117 1.20
Calving Sub Index 0.40
Gestation Length (days) -0.44 -0.919 0.40
Beef Sub Index 1.15
Carcass Weight (kg) -3.40 -0.528 1.79
Age of Slaughter (days) 1.50 -0.432 -0.65
Maintenance Sub Index Maint. Sub Index 3.92
Live WT (kg) -12.80 -0.307 3.92
Total Carbon Sub Index 16.85

* Based on an €80/tonne carbon price