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 3.99
Milk (kg) -159.00 -0.014 2.23
Fat (kg) 4.41 -0.375 -1.65
Prot (kg) -7.73 -0.441 3.41
Fertility Sub Index -2.83
Calving Interval (days) 1.51 -1.459 -2.20
Survival (%) -0.56 1.117 -0.63
Calving Sub Index -0.28
Gestation Length (days) 0.30 -0.919 -0.28
Beef Sub Index -0.23
Carcass Weight (kg) -1.20 -0.528 0.63
Age of Slaughter (days) 2.01 -0.432 -0.87
Maintenance Sub Index Maint. Sub Index -1.23
Live WT (kg) 4.00 -0.307 -1.23
Total Carbon Sub Index -0.59

* Based on an €80/tonne carbon price