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 -7.92
Milk (kg) 3.00 -0.014 -0.04
Fat (kg) 14.16 -0.375 -5.30
Prot (kg) 5.84 -0.441 -2.58
Fertility Sub Index 7.77
Calving Interval (days) -3.67 -1.459 5.35
Survival (%) 2.16 1.117 2.41
Calving Sub Index 1.80
Gestation Length (days) -1.96 -0.919 1.80
Beef Sub Index 1.28
Carcass Weight (kg) -3.40 -0.528 1.79
Age of Slaughter (days) 1.19 -0.432 -0.51
Maintenance Sub Index Maint. Sub Index 1.53
Live WT (kg) -5.00 -0.307 1.53
Total Carbon Sub Index 4.46

* Based on an €80/tonne carbon price