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 5.90
Milk (kg) -194.00 -0.014 2.72
Fat (kg) -1.75 -0.375 0.66
Prot (kg) -5.74 -0.441 2.53
Fertility Sub Index 4.25
Calving Interval (days) -2.70 -1.459 3.94
Survival (%) 0.28 1.117 0.31
Calving Sub Index 0.72
Gestation Length (days) -0.78 -0.919 0.72
Beef Sub Index 0.23
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 2.90 -0.432 -1.25
Maintenance Sub Index Maint. Sub Index 6.77
Live WT (kg) -22.10 -0.307 6.77
Total Carbon Sub Index 17.88

* Based on an €80/tonne carbon price