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 -8.60
Milk (kg) 18.00 -0.014 -0.25
Fat (kg) 11.86 -0.375 -4.44
Prot (kg) 8.85 -0.441 -3.91
Fertility Sub Index 6.88
Calving Interval (days) -2.93 -1.459 4.27
Survival (%) 2.33 1.117 2.60
Calving Sub Index 3.99
Gestation Length (days) -4.34 -0.919 3.99
Beef Sub Index 0.21
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 1.47 -0.432 -0.63
Maintenance Sub Index Maint. Sub Index 2.76
Live WT (kg) -9.00 -0.307 2.76
Total Carbon Sub Index 5.23

* Based on an €80/tonne carbon price