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 9.63
Milk (kg) -178.00 -0.014 2.49
Fat (kg) -4.05 -0.375 1.52
Prot (kg) -12.73 -0.441 5.62
Fertility Sub Index 2.72
Calving Interval (days) -1.35 -1.459 1.97
Survival (%) 0.67 1.117 0.75
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.09
Carcass Weight (kg) -1.20 -0.528 0.63
Age of Slaughter (days) 1.67 -0.432 -0.72
Maintenance Sub Index Maint. Sub Index 2.05
Live WT (kg) -6.70 -0.307 2.05
Total Carbon Sub Index 13.84

* Based on an €80/tonne carbon price