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 6.26
Milk (kg) -218.00 -0.014 3.05
Fat (kg) -2.27 -0.375 0.85
Prot (kg) -5.34 -0.441 2.36
Fertility Sub Index 6.69
Calving Interval (days) -3.15 -1.459 4.60
Survival (%) 1.87 1.117 2.09
Calving Sub Index 0.49
Gestation Length (days) -0.53 -0.919 0.49
Beef Sub Index 0.01
Carcass Weight (kg) -1.40 -0.528 0.74
Age of Slaughter (days) 1.68 -0.432 -0.73
Maintenance Sub Index Maint. Sub Index 1.26
Live WT (kg) -4.10 -0.307 1.26
Total Carbon Sub Index 14.70

* Based on an €80/tonne carbon price