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 7.63
Milk (kg) -126.00 -0.014 1.76
Fat (kg) -9.38 -0.375 3.51
Prot (kg) -5.34 -0.441 2.36
Fertility Sub Index 3.32
Calving Interval (days) -1.86 -1.459 2.71
Survival (%) 0.54 1.117 0.60
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 3.59
Carcass Weight (kg) -6.20 -0.528 3.27
Age of Slaughter (days) -0.75 -0.432 0.32
Maintenance Sub Index Maint. Sub Index 3.62
Live WT (kg) -11.80 -0.307 3.62
Total Carbon Sub Index 17.69

* Based on an €80/tonne carbon price