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 3.08
Milk (kg) 41.00 -0.014 -0.57
Fat (kg) -6.26 -0.375 2.34
Prot (kg) -2.96 -0.441 1.31
Fertility Sub Index 2.55
Calving Interval (days) -1.16 -1.459 1.69
Survival (%) 0.77 1.117 0.86
Calving Sub Index 0.40
Gestation Length (days) -0.43 -0.919 0.40
Beef Sub Index -0.08
Carcass Weight (kg) -3.60 -0.528 1.90
Age of Slaughter (days) 4.59 -0.432 -1.98
Maintenance Sub Index Maint. Sub Index -0.83
Live WT (kg) 2.70 -0.307 -0.83
Total Carbon Sub Index 5.11

* Based on an €80/tonne carbon price