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 3.17
Milk (kg) -48.00 -0.014 0.67
Fat (kg) -4.06 -0.375 1.52
Prot (kg) -2.21 -0.441 0.98
Fertility Sub Index -5.70
Calving Interval (days) 2.83 -1.459 -4.13
Survival (%) -1.41 1.117 -1.58
Calving Sub Index 0.28
Gestation Length (days) -0.30 -0.919 0.28
Beef Sub Index 0.92
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 1.30 -0.432 -0.56
Maintenance Sub Index Maint. Sub Index -0.15
Live WT (kg) 0.50 -0.307 -0.15
Total Carbon Sub Index -1.50

* Based on an €80/tonne carbon price