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 3.39
Milk (kg) -96.00 -0.014 1.34
Fat (kg) -2.06 -0.375 0.77
Prot (kg) -2.89 -0.441 1.28
Fertility Sub Index 4.15
Calving Interval (days) -1.64 -1.459 2.39
Survival (%) 1.57 1.117 1.75
Calving Sub Index 0.70
Gestation Length (days) -0.76 -0.919 0.70
Beef Sub Index -1.95
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) 8.42 -0.432 -3.63
Maintenance Sub Index Maint. Sub Index 7.02
Live WT (kg) -22.90 -0.307 7.02
Total Carbon Sub Index 13.32

* Based on an €80/tonne carbon price