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 7.68
Milk (kg) -39.00 -0.014 0.55
Fat (kg) -8.89 -0.375 3.33
Prot (kg) -8.63 -0.441 3.81
Fertility Sub Index 0.12
Calving Interval (days) 0.31 -1.459 -0.45
Survival (%) 0.51 1.117 0.57
Calving Sub Index -0.28
Gestation Length (days) 0.30 -0.919 -0.28
Beef Sub Index -1.91
Carcass Weight (kg) -1.20 -0.528 0.63
Age of Slaughter (days) 5.90 -0.432 -2.55
Maintenance Sub Index Maint. Sub Index -2.76
Live WT (kg) 9.00 -0.307 -2.76
Total Carbon Sub Index 2.86

* Based on an €80/tonne carbon price