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 1.79
Milk (kg) -29.00 -0.014 0.41
Fat (kg) -1.57 -0.375 0.59
Prot (kg) -1.81 -0.441 0.80
Fertility Sub Index 7.63
Calving Interval (days) -3.76 -1.459 5.49
Survival (%) 1.92 1.117 2.15
Calving Sub Index -0.81
Gestation Length (days) 0.88 -0.919 -0.81
Beef Sub Index 1.27
Carcass Weight (kg) -3.40 -0.528 1.79
Age of Slaughter (days) 1.22 -0.432 -0.53
Maintenance Sub Index Maint. Sub Index 3.65
Live WT (kg) -11.90 -0.307 3.65
Total Carbon Sub Index 13.53

* Based on an €80/tonne carbon price