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 3.70
Milk (kg) -101.00 -0.014 1.41
Fat (kg) -2.25 -0.375 0.84
Prot (kg) -3.26 -0.441 1.44
Fertility Sub Index 6.08
Calving Interval (days) -2.92 -1.459 4.26
Survival (%) 1.63 1.117 1.82
Calving Sub Index 2.79
Gestation Length (days) -3.03 -0.919 2.79
Beef Sub Index 2.69
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) -2.81 -0.432 1.21
Maintenance Sub Index Maint. Sub Index 6.53
Live WT (kg) -21.30 -0.307 6.53
Total Carbon Sub Index 21.78

* Based on an €80/tonne carbon price