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 5.13
Milk (kg) -125.00 -0.014 1.75
Fat (kg) -5.17 -0.375 1.94
Prot (kg) -3.27 -0.441 1.44
Fertility Sub Index -0.89
Calving Interval (days) 1.43 -1.459 -2.09
Survival (%) 1.07 1.117 1.20
Calving Sub Index -0.63
Gestation Length (days) 0.68 -0.919 -0.63
Beef Sub Index -1.53
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) 6.84 -0.432 -2.95
Maintenance Sub Index Maint. Sub Index 5.79
Live WT (kg) -18.90 -0.307 5.79
Total Carbon Sub Index 7.88

* Based on an €80/tonne carbon price