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 3.84
Milk (kg) -24.00 -0.014 0.34
Fat (kg) -7.69 -0.375 2.88
Prot (kg) -1.42 -0.441 0.63
Fertility Sub Index 0.57
Calving Interval (days) -0.69 -1.459 1.01
Survival (%) -0.39 1.117 -0.44
Calving Sub Index -1.19
Gestation Length (days) 1.30 -0.919 -1.19
Beef Sub Index -5.02
Carcass Weight (kg) 6.60 -0.528 -3.48
Age of Slaughter (days) 3.56 -0.432 -1.54
Maintenance Sub Index Maint. Sub Index 1.44
Live WT (kg) -4.70 -0.307 1.44
Total Carbon Sub Index -0.36

* Based on an €80/tonne carbon price