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 -2.00
Milk (kg) 39.00 -0.014 -0.55
Fat (kg) 1.29 -0.375 -0.48
Prot (kg) 2.19 -0.441 -0.97
Fertility Sub Index -1.28
Calving Interval (days) 1.70 -1.459 -2.48
Survival (%) 1.07 1.117 1.20
Calving Sub Index -1.88
Gestation Length (days) 2.05 -0.919 -1.88
Beef Sub Index 1.20
Carcass Weight (kg) -4.70 -0.528 2.48
Age of Slaughter (days) 2.96 -0.432 -1.28
Maintenance Sub Index Maint. Sub Index 5.52
Live WT (kg) -18.00 -0.307 5.52
Total Carbon Sub Index 1.55

* Based on an €80/tonne carbon price