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 3.51
Milk (kg) -54.00 -0.014 0.76
Fat (kg) -3.39 -0.375 1.27
Prot (kg) -3.36 -0.441 1.48
Fertility Sub Index 0.26
Calving Interval (days) -0.24 -1.459 0.35
Survival (%) -0.08 1.117 -0.09
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.13
Carcass Weight (kg) -1.20 -0.528 0.63
Age of Slaughter (days) 1.77 -0.432 -0.76
Maintenance Sub Index Maint. Sub Index 1.35
Live WT (kg) -4.40 -0.307 1.35
Total Carbon Sub Index 4.52

* Based on an €80/tonne carbon price