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 7.13
Milk (kg) -40.00 -0.014 0.56
Fat (kg) -10.17 -0.375 3.81
Prot (kg) -6.26 -0.441 2.76
Fertility Sub Index 2.69
Calving Interval (days) -1.68 -1.459 2.45
Survival (%) 0.21 1.117 0.23
Calving Sub Index -0.41
Gestation Length (days) 0.45 -0.919 -0.41
Beef Sub Index 3.48
Carcass Weight (kg) -7.10 -0.528 3.75
Age of Slaughter (days) 0.61 -0.432 -0.26
Maintenance Sub Index Maint. Sub Index 3.80
Live WT (kg) -12.40 -0.307 3.80
Total Carbon Sub Index 16.69

* Based on an €80/tonne carbon price