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 -1.20
Milk (kg) -76.00 -0.014 1.06
Fat (kg) 4.16 -0.375 -1.56
Prot (kg) 1.61 -0.441 -0.71
Fertility Sub Index -1.17
Calving Interval (days) 0.23 -1.459 -0.34
Survival (%) -0.75 1.117 -0.84
Calving Sub Index 1.45
Gestation Length (days) -1.58 -0.919 1.45
Beef Sub Index -3.12
Carcass Weight (kg) 1.20 -0.528 -0.63
Age of Slaughter (days) 5.77 -0.432 -2.49
Maintenance Sub Index Maint. Sub Index -0.18
Live WT (kg) 0.60 -0.307 -0.18
Total Carbon Sub Index -4.24

* Based on an €80/tonne carbon price