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 3.88
Milk (kg) -65.00 -0.014 0.91
Fat (kg) -4.11 -0.375 1.54
Prot (kg) -3.24 -0.441 1.43
Fertility Sub Index 7.60
Calving Interval (days) -4.51 -1.459 6.58
Survival (%) 0.91 1.117 1.02
Calving Sub Index 1.12
Gestation Length (days) -1.22 -0.919 1.12
Beef Sub Index 2.60
Carcass Weight (kg) -5.20 -0.528 2.74
Age of Slaughter (days) 0.32 -0.432 -0.14
Maintenance Sub Index Maint. Sub Index 4.14
Live WT (kg) -13.50 -0.307 4.14
Total Carbon Sub Index 19.34

* Based on an €80/tonne carbon price