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 11.88
Milk (kg) -251.00 -0.014 3.51
Fat (kg) -10.15 -0.375 3.80
Prot (kg) -10.34 -0.441 4.56
Fertility Sub Index 5.51
Calving Interval (days) -3.56 -1.459 5.19
Survival (%) 0.28 1.117 0.31
Calving Sub Index 0.49
Gestation Length (days) -0.53 -0.919 0.49
Beef Sub Index 0.30
Carcass Weight (kg) -3.40 -0.528 1.79
Age of Slaughter (days) 3.47 -0.432 -1.50
Maintenance Sub Index Maint. Sub Index 1.20
Live WT (kg) -3.90 -0.307 1.20
Total Carbon Sub Index 19.37

* Based on an €80/tonne carbon price