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 7.49
Milk (kg) -162.00 -0.014 2.27
Fat (kg) -8.89 -0.375 3.33
Prot (kg) -4.28 -0.441 1.89
Fertility Sub Index 3.68
Calving Interval (days) -1.96 -1.459 2.86
Survival (%) 0.73 1.117 0.82
Calving Sub Index 0.17
Gestation Length (days) -0.19 -0.919 0.17
Beef Sub Index -5.80
Carcass Weight (kg) 7.90 -0.528 -4.17
Age of Slaughter (days) 3.78 -0.432 -1.63
Maintenance Sub Index Maint. Sub Index -2.73
Live WT (kg) 8.90 -0.307 -2.73
Total Carbon Sub Index 2.81

* Based on an €80/tonne carbon price