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) -70.00 -0.014 0.98
Fat (kg) -2.45 -0.375 0.92
Prot (kg) -2.30 -0.441 1.02
Fertility Sub Index 6.67
Calving Interval (days) -3.93 -1.459 5.73
Survival (%) 0.84 1.117 0.94
Calving Sub Index 0.74
Gestation Length (days) -0.81 -0.919 0.74
Beef Sub Index 0.06
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 1.69 -0.432 -0.73
Maintenance Sub Index Maint. Sub Index 2.73
Live WT (kg) -8.90 -0.307 2.73
Total Carbon Sub Index 13.12

* Based on an €80/tonne carbon price