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 -3.82
Milk (kg) 89.00 -0.014 -1.25
Fat (kg) 1.75 -0.375 -0.66
Prot (kg) 4.35 -0.441 -1.92
Fertility Sub Index -1.16
Calving Interval (days) 0.06 -1.459 -0.09
Survival (%) -0.96 1.117 -1.07
Calving Sub Index 0.61
Gestation Length (days) -0.66 -0.919 0.61
Beef Sub Index 1.62
Carcass Weight (kg) -5.60 -0.528 2.95
Age of Slaughter (days) 3.10 -0.432 -1.34
Maintenance Sub Index Maint. Sub Index 2.05
Live WT (kg) -6.70 -0.307 2.05
Total Carbon Sub Index -0.70

* Based on an €80/tonne carbon price