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 14.17
Milk (kg) -298.00 -0.014 4.17
Fat (kg) -13.50 -0.375 5.06
Prot (kg) -11.20 -0.441 4.94
Fertility Sub Index 7.45
Calving Interval (days) -4.06 -1.459 5.92
Survival (%) 1.37 1.117 1.53
Calving Sub Index -0.86
Gestation Length (days) 0.94 -0.919 -0.86
Beef Sub Index -2.21
Carcass Weight (kg) 2.70 -0.528 -1.42
Age of Slaughter (days) 1.82 -0.432 -0.79
Maintenance Sub Index Maint. Sub Index 0.25
Live WT (kg) -0.80 -0.307 0.25
Total Carbon Sub Index 18.80

* Based on an €80/tonne carbon price