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 2.53
Milk (kg) -129.00 -0.014 1.81
Fat (kg) 0.61 -0.375 -0.23
Prot (kg) -2.15 -0.441 0.95
Fertility Sub Index 1.07
Calving Interval (days) -0.41 -1.459 0.60
Survival (%) 0.42 1.117 0.47
Calving Sub Index 1.09
Gestation Length (days) -1.19 -0.919 1.09
Beef Sub Index -3.89
Carcass Weight (kg) 5.10 -0.528 -2.69
Age of Slaughter (days) 2.78 -0.432 -1.20
Maintenance Sub Index Maint. Sub Index -2.15
Live WT (kg) 7.00 -0.307 -2.15
Total Carbon Sub Index -1.35

* Based on an €80/tonne carbon price