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 6.86
Milk (kg) -133.00 -0.014 1.86
Fat (kg) -7.11 -0.375 2.66
Prot (kg) -5.29 -0.441 2.33
Fertility Sub Index 7.05
Calving Interval (days) -4.21 -1.459 6.14
Survival (%) 0.81 1.117 0.90
Calving Sub Index 0.50
Gestation Length (days) -0.54 -0.919 0.50
Beef Sub Index 0.84
Carcass Weight (kg) -1.20 -0.528 0.63
Age of Slaughter (days) -0.48 -0.432 0.21
Maintenance Sub Index Maint. Sub Index 3.31
Live WT (kg) -10.80 -0.307 3.31
Total Carbon Sub Index 18.56

* Based on an €80/tonne carbon price