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 -0.52
Milk (kg) -23.00 -0.014 0.32
Fat (kg) 1.75 -0.375 -0.66
Prot (kg) 0.42 -0.441 -0.19
Fertility Sub Index -1.27
Calving Interval (days) 0.48 -1.459 -0.70
Survival (%) -0.51 1.117 -0.57
Calving Sub Index 0.26
Gestation Length (days) -0.28 -0.919 0.26
Beef Sub Index -0.71
Carcass Weight (kg) -1.00 -0.528 0.53
Age of Slaughter (days) 2.86 -0.432 -1.23
Maintenance Sub Index Maint. Sub Index -2.61
Live WT (kg) 8.50 -0.307 -2.61
Total Carbon Sub Index -4.85

* Based on an €80/tonne carbon price