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 2.91
Milk (kg) -62.00 -0.014 0.87
Fat (kg) -2.39 -0.375 0.90
Prot (kg) -2.59 -0.441 1.14
Fertility Sub Index 2.44
Calving Interval (days) -1.31 -1.459 1.91
Survival (%) 0.47 1.117 0.53
Calving Sub Index 3.83
Gestation Length (days) -4.17 -0.919 3.83
Beef Sub Index 1.89
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) -1.56 -0.432 0.67
Maintenance Sub Index Maint. Sub Index 5.79
Live WT (kg) -18.90 -0.307 5.79
Total Carbon Sub Index 16.86

* Based on an €80/tonne carbon price