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 7.85
Milk (kg) -72.00 -0.014 1.01
Fat (kg) -6.19 -0.375 2.32
Prot (kg) -10.24 -0.441 4.52
Fertility Sub Index 4.14
Calving Interval (days) -2.28 -1.459 3.33
Survival (%) 0.73 1.117 0.82
Calving Sub Index -0.03
Gestation Length (days) 0.03 -0.919 -0.03
Beef Sub Index -2.44
Carcass Weight (kg) 2.80 -0.528 -1.48
Age of Slaughter (days) 2.22 -0.432 -0.96
Maintenance Sub Index Maint. Sub Index -2.79
Live WT (kg) 9.10 -0.307 -2.79
Total Carbon Sub Index 6.73

* Based on an €80/tonne carbon price