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 1.77
Milk (kg) -39.00 -0.014 0.55
Fat (kg) -1.48 -0.375 0.55
Prot (kg) -1.52 -0.441 0.67
Fertility Sub Index 4.03
Calving Interval (days) -2.04 -1.459 2.98
Survival (%) 0.94 1.117 1.05
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index -0.02
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) 3.96 -0.432 -1.71
Maintenance Sub Index Maint. Sub Index 6.41
Live WT (kg) -20.90 -0.307 6.41
Total Carbon Sub Index 15.98

* Based on an €80/tonne carbon price