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 2.51
Milk (kg) -123.00 -0.014 1.72
Fat (kg) 2.93 -0.375 -1.10
Prot (kg) -4.28 -0.441 1.89
Fertility Sub Index 0.85
Calving Interval (days) -0.72 -1.459 1.05
Survival (%) -0.18 1.117 -0.20
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.06
Carcass Weight (kg) -1.20 -0.528 0.63
Age of Slaughter (days) 1.33 -0.432 -0.57
Maintenance Sub Index Maint. Sub Index 1.59
Live WT (kg) -5.20 -0.307 1.59
Total Carbon Sub Index 4.55

* Based on an €80/tonne carbon price