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 24.73
Milk (kg) -759.00 -0.014 10.63
Fat (kg) -18.03 -0.375 6.75
Prot (kg) -16.65 -0.441 7.35
Fertility Sub Index 2.87
Calving Interval (days) -1.54 -1.459 2.25
Survival (%) 0.56 1.117 0.63
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 1.09
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) 1.15 -0.432 -0.50
Maintenance Sub Index Maint. Sub Index 2.67
Live WT (kg) -8.70 -0.307 2.67
Total Carbon Sub Index 30.89

* Based on an €80/tonne carbon price