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 6.36
Milk (kg) -88.00 -0.014 1.23
Fat (kg) -7.65 -0.375 2.87
Prot (kg) -5.12 -0.441 2.26
Fertility Sub Index 4.31
Calving Interval (days) -4.15 -1.459 6.06
Survival (%) -1.56 1.117 -1.74
Calving Sub Index -3.50
Gestation Length (days) 3.81 -0.919 -3.50
Beef Sub Index 3.76
Carcass Weight (kg) -3.30 -0.528 1.74
Age of Slaughter (days) -4.67 -0.432 2.02
Maintenance Sub Index Maint. Sub Index 2.85
Live WT (kg) -9.30 -0.307 2.85
Total Carbon Sub Index 13.78

* Based on an €80/tonne carbon price