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 23.06
Milk (kg) -503.00 -0.014 7.04
Fat (kg) -16.77 -0.375 6.28
Prot (kg) -22.05 -0.441 9.73
Fertility Sub Index 1.77
Calving Interval (days) -1.15 -1.459 1.68
Survival (%) 0.08 1.117 0.09
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.17
Carcass Weight (kg) -1.20 -0.528 0.63
Age of Slaughter (days) 1.86 -0.432 -0.80
Maintenance Sub Index Maint. Sub Index 1.35
Live WT (kg) -4.40 -0.307 1.35
Total Carbon Sub Index 25.53

* Based on an €80/tonne carbon price