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 1.48
Milk (kg) -5.00 -0.014 0.07
Fat (kg) 0.67 -0.375 -0.25
Prot (kg) -3.76 -0.441 1.66
Fertility Sub Index 6.30
Calving Interval (days) -3.26 -1.459 4.76
Survival (%) 1.38 1.117 1.54
Calving Sub Index 0.65
Gestation Length (days) -0.71 -0.919 0.65
Beef Sub Index -1.28
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) 6.88 -0.432 -2.97
Maintenance Sub Index Maint. Sub Index -1.41
Live WT (kg) 4.60 -0.307 -1.41
Total Carbon Sub Index 5.73

* Based on an €80/tonne carbon price