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 7.14
Milk (kg) -162.00 -0.014 2.27
Fat (kg) -5.38 -0.375 2.02
Prot (kg) -6.48 -0.441 2.86
Fertility Sub Index 1.10
Calving Interval (days) -0.58 -1.459 0.85
Survival (%) 0.23 1.117 0.26
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.07
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 2.04 -0.432 -0.88
Maintenance Sub Index Maint. Sub Index 0.83
Live WT (kg) -2.70 -0.307 0.83
Total Carbon Sub Index 8.68

* Based on an €80/tonne carbon price