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 -2.70
Milk (kg) 35.00 -0.014 -0.49
Fat (kg) 6.69 -0.375 -2.51
Prot (kg) -0.67 -0.441 0.30
Fertility Sub Index 1.02
Calving Interval (days) -0.79 -1.459 1.15
Survival (%) -0.12 1.117 -0.13
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.94
Carcass Weight (kg) -3.50 -0.528 1.85
Age of Slaughter (days) 2.09 -0.432 -0.90
Maintenance Sub Index Maint. Sub Index 0.58
Live WT (kg) -1.90 -0.307 0.58
Total Carbon Sub Index -0.63

* Based on an €80/tonne carbon price