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 22.04
Milk (kg) -410.00 -0.014 5.74
Fat (kg) -17.94 -0.375 6.72
Prot (kg) -21.70 -0.441 9.58
Fertility Sub Index 6.91
Calving Interval (days) -4.13 -1.459 6.03
Survival (%) 0.79 1.117 0.88
Calving Sub Index 0.36
Gestation Length (days) -0.39 -0.919 0.36
Beef Sub Index 0.74
Carcass Weight (kg) -2.10 -0.528 1.11
Age of Slaughter (days) 0.86 -0.432 -0.37
Maintenance Sub Index Maint. Sub Index 3.74
Live WT (kg) -12.20 -0.307 3.74
Total Carbon Sub Index 33.79

* Based on an €80/tonne carbon price