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 6.74
Milk (kg) -126.00 -0.014 1.76
Fat (kg) -6.26 -0.375 2.34
Prot (kg) -5.96 -0.441 2.63
Fertility Sub Index 3.13
Calving Interval (days) -1.73 -1.459 2.52
Survival (%) 0.54 1.117 0.60
Calving Sub Index -0.51
Gestation Length (days) 0.55 -0.919 -0.51
Beef Sub Index 0.34
Carcass Weight (kg) 2.80 -0.528 -1.48
Age of Slaughter (days) -4.22 -0.432 1.82
Maintenance Sub Index Maint. Sub Index 4.63
Live WT (kg) -15.10 -0.307 4.63
Total Carbon Sub Index 14.33

* Based on an €80/tonne carbon price