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 13.98
Milk (kg) -300.00 -0.014 4.20
Fat (kg) -13.53 -0.375 5.07
Prot (kg) -10.67 -0.441 4.71
Fertility Sub Index 9.66
Calving Interval (days) -5.94 -1.459 8.67
Survival (%) 0.89 1.117 0.99
Calving Sub Index -0.05
Gestation Length (days) 0.05 -0.919 -0.05
Beef Sub Index 3.25
Carcass Weight (kg) -6.00 -0.528 3.17
Age of Slaughter (days) -0.19 -0.432 0.08
Maintenance Sub Index Maint. Sub Index 7.23
Live WT (kg) -23.60 -0.307 7.23
Total Carbon Sub Index 34.08

* Based on an €80/tonne carbon price