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 20.20
Milk (kg) -407.00 -0.014 5.70
Fat (kg) -18.28 -0.375 6.85
Prot (kg) -17.35 -0.441 7.66
Fertility Sub Index 0.81
Calving Interval (days) -0.25 -1.459 0.36
Survival (%) 0.40 1.117 0.45
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -1.26
Carcass Weight (kg) -0.70 -0.528 0.37
Age of Slaughter (days) 3.77 -0.432 -1.63
Maintenance Sub Index Maint. Sub Index 0.21
Live WT (kg) -0.70 -0.307 0.21
Total Carbon Sub Index 19.50

* Based on an €80/tonne carbon price