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 1.68
Milk (kg) -87.00 -0.014 1.22
Fat (kg) -0.09 -0.375 0.03
Prot (kg) -0.96 -0.441 0.42
Fertility Sub Index 9.75
Calving Interval (days) -4.70 -1.459 6.86
Survival (%) 2.59 1.117 2.89
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.09
Carcass Weight (kg) -3.30 -0.528 1.74
Age of Slaughter (days) 3.83 -0.432 -1.65
Maintenance Sub Index Maint. Sub Index 4.84
Live WT (kg) -15.80 -0.307 4.84
Total Carbon Sub Index 20.16

* Based on an €80/tonne carbon price