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 4.89
Milk (kg) -34.00 -0.014 0.48
Fat (kg) -6.47 -0.375 2.42
Prot (kg) -4.50 -0.441 1.99
Fertility Sub Index 4.12
Calving Interval (days) -2.77 -1.459 4.04
Survival (%) 0.07 1.117 0.08
Calving Sub Index -0.17
Gestation Length (days) 0.19 -0.919 -0.17
Beef Sub Index 1.91
Carcass Weight (kg) -5.20 -0.528 2.74
Age of Slaughter (days) 1.94 -0.432 -0.84
Maintenance Sub Index Maint. Sub Index 3.00
Live WT (kg) -9.80 -0.307 3.00
Total Carbon Sub Index 13.73

* Based on an €80/tonne carbon price