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 -2.28
Milk (kg) -43.00 -0.014 0.60
Fat (kg) 4.73 -0.375 -1.77
Prot (kg) 2.52 -0.441 -1.11
Fertility Sub Index -3.72
Calving Interval (days) 1.89 -1.459 -2.76
Survival (%) -0.86 1.117 -0.96
Calving Sub Index 0.67
Gestation Length (days) -0.73 -0.919 0.67
Beef Sub Index -0.40
Carcass Weight (kg) -3.40 -0.528 1.79
Age of Slaughter (days) 5.08 -0.432 -2.19
Maintenance Sub Index Maint. Sub Index 3.16
Live WT (kg) -10.30 -0.307 3.16
Total Carbon Sub Index -2.58

* Based on an €80/tonne carbon price