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 1.60
Milk (kg) -18.00 -0.014 0.25
Fat (kg) -1.57 -0.375 0.59
Prot (kg) -1.72 -0.441 0.76
Fertility Sub Index 4.51
Calving Interval (days) -2.66 -1.459 3.88
Survival (%) 0.56 1.117 0.63
Calving Sub Index -0.08
Gestation Length (days) 0.09 -0.919 -0.08
Beef Sub Index 0.58
Carcass Weight (kg) -1.10 -0.528 0.58
Age of Slaughter (days) 0.00 -0.432 0.00
Maintenance Sub Index Maint. Sub Index 2.45
Live WT (kg) -8.00 -0.307 2.45
Total Carbon Sub Index 9.05

* Based on an €80/tonne carbon price