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 11.78
Milk (kg) -233.00 -0.014 3.26
Fat (kg) -12.02 -0.375 4.50
Prot (kg) -9.09 -0.441 4.01
Fertility Sub Index 5.61
Calving Interval (days) -2.56 -1.459 3.74
Survival (%) 1.68 1.117 1.88
Calving Sub Index -1.20
Gestation Length (days) 1.31 -0.919 -1.20
Beef Sub Index -2.90
Carcass Weight (kg) -0.80 -0.528 0.42
Age of Slaughter (days) 7.69 -0.432 -3.32
Maintenance Sub Index Maint. Sub Index 5.06
Live WT (kg) -16.50 -0.307 5.06
Total Carbon Sub Index 18.35

* Based on an €80/tonne carbon price